Planning a metal building in Florida often looks simple at first.
You choose the building size.
You order a prefabricated metal building package.
The manufacturer sends plans.
Then you apply for the permit.
And that is often where the confusion starts.
A building department may come back asking for:
- a site plan,
- a site-specific foundation,
- anchor-bolt details,
- structural calculations,
- Florida wind-design information,
- signed and sealed engineering,
- elevations,
- electrical or plumbing plans,
- zoning information,
- drainage information,
- or other project-specific documents.
The problem is not necessarily that the metal-building manufacturer gave you bad drawings.
The problem is that manufacturer drawings and a complete local permit package are not always the same thing.
For Florida projects, the permit package has to connect the manufactured building system to the actual property where it will be installed.
That means the building itself, the foundation, anchorage, zoning, setbacks, wind conditions, site conditions and local building department requirements all have to work together.
This guide explains how that process typically works and what drawings you may need before submitting a metal-building permit in Florida.
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Quick Answer: What Drawings Are Commonly Required?
A Florida metal-building permit package may include some or all of the following:
- Site plan
- Cover sheet
- Floor plan
- Building elevations
- Building sections
- Foundation plan
- Footing details
- Slab details
- Column and base-plate locations
- Anchor-bolt layout
- Structural framing drawings
- Connection details
- Building reactions
- Structural calculations
- Wind-design information
- Product approvals where applicable
- Electrical drawings
- Plumbing drawings
- Mechanical/HVAC drawings
- Energy documentation where applicable
- Drainage or grading information
- Signed and sealed Florida engineering where required
- Manufacturer shop/fabrication drawings
Not every metal building requires every item on this list.
A small detached residential storage building and a large commercial pre-engineered metal building are very different permit scopes.
The exact package depends on:
- building size,
- intended use,
- occupancy,
- location,
- zoning,
- foundation system,
- manufacturer package,
- whether utilities are included,
- wind-design criteria,
- local jurisdiction,
- and whether engineering is required.
Florida is currently using the 8th Edition (2023) Florida Building Code, which became effective December 31, 2023. The current code also references ASCE 7-22 for structural loading criteria, including wind design.
Why Metal Building Permits Become Confusing
The most common misunderstanding is this:
“I already bought an engineered metal building. Why does the county want more plans?”
Because there are usually two different design responsibilities involved.
1. The Metal Building System
The manufacturer or specialty engineer may design items such as:
- primary frames,
- columns,
- rafters,
- girts,
- purlins,
- bracing,
- panel systems,
- steel connections,
- and building reactions.
2. The Site-Specific Permit Design
The local permit package may still need to establish:
- where the building sits on the property,
- whether setbacks are compliant,
- how the building is supported,
- how loads reach the soil,
- whether the foundation can resist uplift and overturning,
- how anchors connect the steel structure to the concrete,
- what wind criteria apply at the location,
- and whether electrical, plumbing, accessibility or other disciplines are involved.
That gap between manufacturer engineering and site-specific permit documentation is where many projects get delayed.
Manufacturer Drawings vs Permit Drawings
Imagine you buy a 30-foot-by-40-foot steel workshop.
The manufacturer might give you:
- framing elevations,
- frame spacing,
- roof slope,
- steel-member information,
- building design loads,
- reactions,
- connection details,
- and fabrication drawings.
Those documents may accurately describe the steel building.
But the building department may still need to know:
- Where is the 30 × 40 building located on the lot?
- How far is it from the rear property line?
- Does an easement cross the proposed building area?
- Is the driveway being expanded?
- Does the project increase impervious area?
- What foundation supports the columns?
- How large are the footings?
- What reinforcement is required?
- What anchors are used?
- What soil assumptions were used?
- What wind speed, exposure and risk category apply?
- Is the structure used as storage, a garage, workshop or commercial occupancy?
- Will the building contain electrical or plumbing systems?
The manufacturer’s package does not necessarily answer those questions.
Already Have Your Manufacturer Package?
If you already purchased the building, you are often further along than you think.
Send:
- the manufacturer drawings,
- your property address,
- your survey if available,
- and the intended use of the building.
A drawing-scope review can determine what is already covered and what still needs to be prepared.
1. Site Plan
For many metal-building permits, the site plan is the first missing document.
A permit-ready site plan establishes the relationship between the new building and the property.
Depending on the jurisdiction and project, it may show:
- Property boundaries
- Lot dimensions
- Existing residence or structures
- Proposed metal-building footprint
- Building dimensions
- Distances to property lines
- Required setbacks
- Easements
- Rights-of-way
- Driveway/access
- Parking
- Existing and proposed improvements
- Septic tank and drainfield where relevant
- Well location where relevant
- Utilities
- Lot coverage
- Impervious and pervious areas
- Drainage direction
- Flood-zone information where applicable
- North arrow
- Scale
- Parcel information
- Project address
For example, Orange County’s current residential construction guidance requires certified site plans drawn to scale showing property lines, rights-of-way, easements, existing structures, and the location and setbacks of proposed structures.
The exact requirements vary by jurisdiction, so a generic rectangular building dropped onto an aerial photograph is not necessarily enough.
2. Foundation Plan
This is one of the most important parts of a metal-building permit package.
Steel-building kits often arrive with reactions from the manufacturer, but the building still needs a foundation designed to transfer those loads into the ground.
A foundation plan may show:
- Overall foundation dimensions
- Slab layout
- Thickened slab edges
- Continuous footings
- Isolated column footings
- Grade beams
- Piers
- Column locations
- Footing sizes
- Concrete strength
- Reinforcement
- Slab thickness
- Vapor barrier
- Anchor locations
- Base plates
- Elevations
- Sections
- General notes
Hillsborough County, for example, lists items such as footing size and reinforcement, concrete strength, slab thickness, vapor barrier, compacted fill, and column-pad sizes as foundation-plan information for residential new construction.
A metal building can have significant:
- vertical reactions,
- horizontal reactions,
- uplift forces,
- shear,
- and overturning effects.
That is why a foundation cannot safely be designed only from the building footprint.
The engineer needs the structural reactions and applicable site/design criteria.
3. Anchor-Bolt and Base-Plate Coordination
This is one of the most common sources of permit and construction problems.
The steel building manufacturer may specify:
- column base plates,
- anchor patterns,
- bolt diameters,
- bolt spacing,
- and reactions.
The foundation drawings have to coordinate with those requirements.
The permit set may need to show:
- anchor-bolt diameter,
- embedment,
- spacing,
- edge distance,
- bolt pattern,
- base-plate geometry,
- concrete strength,
- reinforcing around anchors,
- and connection to the footing/slab system.
If the foundation designer uses one anchor configuration while the manufacturer expects another, the project can fail before erection even begins.
This is why the manufacturer package should be available before final foundation design whenever possible.
4. Building Floor Plan
A floor plan is often required even when the building is mostly open space.
It may show:
- Overall dimensions
- Room or use areas
- Doors
- Overhead doors
- Windows
- Interior partitions
- Restrooms
- Equipment
- Stairs
- Accessible routes where required
- Occupancy/use
- Exit doors
- Electrical panels
- Plumbing fixtures
The level of detail depends heavily on how the building will be used.
A private detached garage is different from:
- a commercial workshop,
- warehouse,
- office,
- retail building,
- automotive repair space,
- or public-use structure.
The intended use can change the entire permit scope.
5. Exterior Elevations
Metal-building elevations typically document:
- Overall width
- Overall length
- Eave height
- Ridge height
- Roof slope
- Wall panels
- Roof panels
- Doors
- Windows
- Overhead doors
- Finished grade
- Exterior materials
- Building orientation
These drawings help the reviewer understand the actual proposed structure instead of only seeing framing diagrams.
They can also be important during zoning or architectural review.
6. Building Sections
Sections show how the structure comes together vertically.
A typical section may illustrate:
- Foundation
- Slab
- Column
- Rafter
- Eave
- Roof framing
- Roof slope
- Wall framing
- Wall panel
- Roof panel
- Building height
- Finished grade
- Connection relationships
For a metal building, sections are especially useful for coordinating:
foundation → column → frame → roof system
into one continuous structural load path.
7. Structural Framing Plans
Depending on the manufacturer package and project, structural framing documents may include:
- Frame locations
- Bay spacing
- Columns
- Rafters
- Purlins
- Girts
- Bracing
- Headers
- Framed openings
- Mezzanines
- Canopies
- Roof framing
- Wall framing
- Connection references
The manufacturer may provide much of this information.
The permit designer’s job is not necessarily to redraw every manufacturer sheet.
The better approach is to determine:
What information already exists, and what additional information does the jurisdiction actually require?
8. Building Reactions
Building reactions are critical for foundation design.
They may include forces such as:
- vertical gravity reaction,
- horizontal reaction,
- uplift,
- lateral shear,
- overturning effects,
- and load combinations.
The manufacturer should ideally provide the reactions at each foundation/column location.
Without those reactions, the foundation designer may not have enough information to finalize the support system.
For pre-engineered metal buildings, Florida code provisions have historically required the relationship between the pre-engineered system and site-specific foundation to be clearly documented, including foundation assumptions and building reactions. Current projects should be checked against the applicable 8th Edition FBC and local requirements rather than relying on older generic details.
9. Florida Wind Design
This is where Florida metal-building permits become very different from many inland states.
Florida projects may need design information addressing:
- Ultimate design wind speed
- Exposure category
- Risk category
- Enclosure classification
- Internal pressure
- Components and cladding pressures
- Main wind-force resisting system
- Roof zones
- Wall zones
- Uplift
- Overturning
- Connection forces
- Foundation reactions
The 8th Edition Florida Building Code references ASCE 7-22, and Florida’s official code resources identify changes involving wind-speed maps, roof pressure criteria, elevated buildings and other wind provisions.
Do not assume one wind speed for all Florida properties.
Design criteria depend on the actual location and project.
High-Velocity Hurricane Zone Projects
Projects in Miami-Dade and Broward Counties can involve additional HVHZ requirements.
That can affect:
- structural design,
- product approvals,
- envelope components,
- doors,
- windows,
- roofing,
- panels,
- fasteners,
- and engineering documentation.
A metal building that might be relatively straightforward in an inland Florida county can require substantially more coordination in an HVHZ jurisdiction.
Miami-Dade’s structural review resources specifically address pre-engineered prefabricated metal buildings and related structural/product-approval requirements.
Unsure Which Wind Criteria Apply?
You do not need to guess the design wind speed from a generic online chart.
Start with:
- property address,
- building use,
- building dimensions,
- and manufacturer package.
From there, the applicable structural criteria can be established for the project.
Check My Metal Building Requirements
10. Structural Calculations
Not every project requires the same calculation package.
Where required, structural calculations may address:
- Gravity loads
- Wind loads
- Frame design
- Column reactions
- Foundation bearing
- Footing bending
- Punching shear
- Sliding
- Overturning
- Uplift
- Anchor bolts
- Reinforcement
- Connection capacities
- Load combinations
For larger or more complex steel structures, calculations can become a significant part of the permit submission.
This is another reason why the manufacturer package and foundation design should not be developed independently.
11. Florida PE Review and Signed/Sealed Drawings
A common question is:
“Does my metal building need a Florida PE stamp?”
The correct answer is:
It depends on the project and the reviewing jurisdiction.
Factors may include:
- Structural complexity
- Building size
- Occupancy
- Commercial vs residential use
- Foundation engineering
- Manufacturer engineering
- Local permit requirements
- Delegated engineering
- Wind design
- Alterations to existing construction
Where Florida law or the reviewing authority requires professional engineering, the applicable drawings and calculations must be prepared/reviewed and signed and sealed appropriately.
Do not assume that a drafting service automatically substitutes for professional engineering.
12. MEP Drawings
A storage-only metal building may have little or no MEP scope.
But if the building contains:
- lights,
- receptacles,
- HVAC,
- bathroom,
- sink,
- water heater,
- equipment,
- offices,
- commercial machinery,
then additional permits or drawings may be required.
Electrical
May include:
- Lighting
- Receptacles
- Panel
- Circuits
- Service information
- Equipment connections
Plumbing
May include:
- Water supply
- Waste
- Vent
- Restrooms
- Water heater
- Fixtures
Mechanical
May include:
- HVAC equipment
- Ductwork
- Ventilation
- Exhaust
Orange County, for example, identifies electrical/plumbing information where applicable as part of construction-plan requirements and separately notes mechanical documentation when HVAC is installed or modified.
13. Energy Documentation
A conditioned metal building may also trigger energy-code documentation.
This is especially relevant when the metal building contains:
- conditioned offices,
- commercial space,
- finished residential areas,
- conditioned workshops,
- or other occupied spaces with HVAC.
A simple unconditioned storage building and a fully conditioned commercial building should not be treated as the same permit package.
14. Product Approvals
Florida product approvals may become relevant for certain building-envelope components.
Depending on the project, this can involve:
- Roof systems
- Wall systems
- Exterior doors
- Windows
- Garage doors
- Shutters
- Other envelope products
HVHZ jurisdictions can have additional product-control requirements.
Product approvals are not just paperwork.
They demonstrate that the selected building component meets applicable performance criteria for the intended use.
15. Drainage and Grading
A new metal building changes the site.
Even a relatively simple structure adds roof area and potentially:
- concrete,
- parking,
- driveway,
- walkways,
- and other impervious surfaces.
Some jurisdictions may therefore require information such as:
- Finished floor elevation
- Existing grade
- Proposed grade
- Drainage arrows
- Swales
- Downspout discharge
- Lot coverage
- Impervious area
- Stormwater information
The need for drainage information depends on the project and jurisdiction.
16. Flood-Zone Information
If the property is in a regulated flood area, additional requirements can affect:
- finished floor elevation,
- equipment elevation,
- foundation type,
- flood openings,
- flood-resistant materials,
- site elevations,
- and construction below design flood elevations.
A metal building in inland non-flood conditions and one on a coastal or flood-prone parcel can require very different documentation.
Always evaluate the property itself instead of assuming that all buildings in the county use the same flood criteria.
17. Zoning Approval
A structurally sound metal building can still fail zoning review.
Before structural design is finalized, confirm items such as:
- Is the building allowed in this zoning district?
- Is the use permitted?
- What setbacks apply?
- Is there a maximum accessory-building size?
- Is there a maximum height?
- Are there lot-coverage limitations?
- Are there architectural restrictions?
- Is commercial activity allowed?
- Does the HOA impose separate restrictions?
This is why site feasibility should come before expensive engineering whenever possible.
“I Already Ordered the Building Before Checking Setbacks”
This happens frequently.
The owner orders a:
40 × 60 metal building
then obtains a survey and realizes that:
- a rear easement crosses the lot,
- the side setback is larger than expected,
- the proposed driveway conflicts with another requirement,
- or the building simply does not fit in the preferred location.
The steel package may already be in fabrication.
The result can be:
- redesign,
- relocation,
- size reduction,
- variance process,
- or extra engineering.
Better approach
Before ordering the final building:
- Verify parcel dimensions.
- Verify zoning.
- Verify setbacks.
- Verify easements.
- Verify maximum building size/height.
- Establish an approximate site plan.
- Then finalize the manufacturer’s building configuration.
“The Manufacturer Says Their Plans Are Engineered”
That may be completely true.
But ask:
Engineered for what?
The manufacturer may have engineered the steel building system.
The local reviewer may still need:
- site-specific foundation,
- local site plan,
- zoning,
- drainage,
- utilities,
- signed/sealed local documents,
- or other permit disciplines.
Neither party is necessarily wrong.
They are simply responsible for different pieces of the project.
“The County Asked for Building Reactions and I Don’t Know What That Means”
Building reactions are the forces that the steel frame transfers into the foundation.
Think of each steel column as pushing or pulling on the concrete below it.
The foundation designer needs to know how large those forces are.
If the manufacturer did not include them clearly, request:
Column/base reactions for all required load combinations or governing design conditions.
Without reaction information, foundation design may be delayed.
“I Already Have a Concrete Slab”
An existing slab does not automatically mean it can support a metal building.
Questions include:
- How thick is the slab?
- Are there footings?
- What reinforcement exists?
- What is the concrete strength?
- Where are the steel columns located?
- Can the slab resist column loads?
- Can it resist uplift?
- Can anchors achieve the required embedment?
- Is there documentation from the original permit?
Sometimes an existing slab works.
Sometimes new isolated footings or thickened foundations are needed.
Sometimes the existing slab has to be verified.
That decision should be based on actual project information rather than assumption.
“The Permit Reviewer Returned 20 Comments”
A long review letter can look overwhelming.
But many comments may fall into a few categories:
Site
- Missing setbacks
- Easement issue
- Lot coverage
- Drainage
Architecture
- Missing dimensions
- Building use
- Door information
- Elevations
Structural
- Missing reactions
- Foundation details
- Wind criteria
- Anchors
- Calculations
MEP
- Missing electrical plan
- Plumbing fixture information
- HVAC information
Administrative
- Signature/seal
- Sheet naming
- Product approval
- application issue
Once comments are grouped by discipline, the resubmittal becomes much easier to manage.
Already Have Permit Comments?
Do not start the entire project again.
Send:
- review comments,
- current permit drawings,
- manufacturer package,
- survey,
- and supporting engineering.
The first task should be to identify exactly which comments affect the drawing scope.
Case Study — Manufacturer Package but No Permit Foundation
Situation
A property owner purchases a prefabricated metal garage package.
The manufacturer provides:
- frame drawings,
- elevations,
- steel sizes,
- design criteria,
- and structural reactions.
The permit application is submitted with only those manufacturer documents.
Reviewer response
The building department requests:
- site plan,
- site-specific foundation,
- anchorage,
- setbacks,
- and additional structural coordination.
What went wrong?
Nothing was necessarily wrong with the manufacturer package.
The missing piece was the connection between:
the engineered steel system and the actual Florida property.
Corrected permit approach
The package is reorganized into:
- Cover/site information
- Site plan
- Foundation plan
- Foundation details
- Manufacturer structural package
- Anchorage coordination
- Supporting calculations/PE documentation where required
Lesson
Do not ask:
“Do I have engineered drawings?”
Ask:
“Do I have every document required to permit this building at this specific site?”
Case Study — Metal Workshop with Existing Slab
Situation
The owner has an existing concrete slab and wants to install a metal workshop over it.
At first, the scope seems simple:
“Just bolt the building to the slab.”
Design questions
The permit team still needs to know:
- slab thickness,
- footing configuration,
- reinforcement,
- existing permit documentation,
- steel-column locations,
- building reactions,
- anchor embedment,
- edge distances,
- and uplift demand.
Outcome
Rather than assuming the slab works, the foundation condition is documented and compared against the proposed structure.
If needed, supplemental foundations can be added around column locations.
Lesson
Existing concrete is not automatically an engineered foundation for the new building.
Case Study — Commercial Steel Building That Expanded in Scope
Situation
A client begins with the idea of a simple metal shell.
During design, the building develops into:
- warehouse area,
- small office,
- restroom,
- HVAC,
- electrical service,
- parking,
- and employee access.
Result
The permit scope now may involve:
- Site
- Architecture
- Structural
- Electrical
- Plumbing
- Mechanical
- Energy
- Accessibility
- Life safety
Lesson
The words “metal building” describe the structural system.
They do not define the complete permit scope.
Occupancy and use matter just as much as the building material.
A Better Way to Organize a Metal Building Permit Package
A clean permit set may follow a structure similar to:
G-001 — Cover Sheet
- Project information
- Code information
- Drawing index
- Design criteria
C/S-001 — Site Plan
- Property
- building location
- setbacks
- drainage/site information
A-101 — Floor Plan
A-201 — Elevations
A-301 — Building Sections
S-101 — Foundation Plan
S-201 — Foundation Details
S-301 — Structural / Anchorage Details
Manufacturer Structural Package
E-101 — Electrical, if required
P-101 — Plumbing, if required
M-101 — Mechanical, if required
The exact numbering is project-dependent.
The important point is organization.
A reviewer should be able to quickly determine:
What is being built, where it is going, how it is supported, and how it complies.
What Should You Send Before Drawings Begin?
The best starting package includes:
Essential
- Property address
- Building width
- Building length
- Building height
- Intended use
- Manufacturer package if available
Highly Helpful
- Boundary survey
- Manufacturer reactions
- Anchor layout
- Building elevations
- Existing site photographs
- Door/window layout
- Existing building plans
- Existing slab information
- Permit comments
- Geotechnical information
- HOA requirements
If you do not have everything, start with the address and the documents you already have.
Do not delay the initial scope review because one document is missing.
Need the Permit Scope Before You Order the Building?
That is often the best time to review the project.
We can start with:
- property address,
- proposed building dimensions,
- intended use,
- and any preliminary manufacturer information.
This can help identify major site or permit issues before the final building package is ordered.
Check My Project Before Ordering
What Should the Manufacturer Provide?
When purchasing a pre-engineered or prefabricated metal building, request clear documentation for:
- Overall dimensions
- Eave height
- Ridge height
- Roof slope
- Bay spacing
- Column locations
- Framing elevations
- Building design criteria
- Wind criteria
- Frame reactions
- Anchor requirements
- Base plates
- Door/opening framing
- Bracing
- Connection details
- Shop/fabrication drawings where applicable
- Engineering certification where applicable
The more complete the manufacturer package is, the easier it is to coordinate the local permit set.
Who Is Responsible for What?
This is one of the most important concepts in the entire process.
Manufacturer / Specialty Engineer
May be responsible for:
- steel-building system,
- primary framing,
- secondary framing,
- proprietary connections,
- manufacturer engineering,
- building reactions.
Architect / Engineer of Record
Where applicable, may coordinate:
- overall building design,
- site-specific structural system,
- foundation,
- architectural requirements,
- delegated engineering,
- permit set.
Site-Plan / Drafting Team
May prepare or coordinate:
- site plan,
- architectural drafting,
- drawing assembly,
- permit comments,
- local information,
- consultant coordination.
Contractor
Responsible for construction in accordance with approved documents and applicable requirements.
Understanding these boundaries prevents one of the most common statements in permit work:
“I thought the other person was handling that.”
Does Every Metal Building Need a PE Stamp?
No universal statement applies to every project.
But many metal-building projects involve engineered structural systems.
Professional engineering may be required for:
- manufacturer structural design,
- foundation,
- anchorage,
- site-specific structural conditions,
- modifications,
- larger buildings,
- commercial structures,
- complex load paths,
- or as required by the authority having jurisdiction.
When signed/sealed documents are required, the responsible Florida design professional must determine and document their scope.
How Long Does a Metal Building Permit Drawing Package Take?
It depends far more on information availability than people expect.
A relatively straightforward project can move quickly if you already have:
- current survey,
- finalized manufacturer plans,
- reactions,
- exact building location,
- exact intended use.
A project takes longer when:
- building dimensions are changing,
- manufacturer engineering is incomplete,
- reactions are missing,
- zoning is unresolved,
- flood conditions exist,
- site grading is required,
- MEP is involved,
- or engineering revisions are needed.
The fastest path is not to rush the drawings.
The fastest path is to establish the correct scope before drafting begins.
Frequently Asked Questions
Are manufacturer drawings enough for a Florida metal-building permit?
Sometimes they form a major part of the structural submission, but they are not automatically the complete permit package. A jurisdiction may also require a site plan, site-specific foundation, anchorage, zoning information, architectural drawings, MEP, drainage or other documents.
Do I need a site plan for a metal building?
Often, yes, particularly for exterior new construction. The site plan establishes the proposed building location, property boundaries, setbacks, easements and other site information required by the jurisdiction.
Does the site plan replace my property survey?
No.
A site plan and a boundary survey serve different purposes.
A licensed survey establishes certified property boundary information. A permit site plan uses property and project information to show the proposed construction.
Where a jurisdiction requires a current certified survey, GIS or a drafting site plan does not replace it.
Can I use an old survey?
Possibly, depending on whether it accurately represents current conditions and whether the reviewing jurisdiction accepts it.
Send the existing survey for review before ordering a new one unnecessarily.
Do I need a foundation plan if my metal-building manufacturer supplied engineering?
Often the foundation is a separate site-specific responsibility.
The manufacturer’s engineering may provide reactions and anchor requirements, while the local foundation must be designed for those loads and site conditions.
Can the manufacturer design my foundation?
Some manufacturers provide foundation engineering; others do not.
If they do, verify that the foundation is site-specific and acceptable for your Florida permit jurisdiction.
What are metal-building reactions?
Reactions are forces transferred by the steel structure into the foundation at support/column locations.
They are used to design footings, slabs, piers, anchors and other foundation elements.
What happens if the reactions are missing?
The foundation engineer may need to request them before completing the foundation design.
Do not guess reactions from a similarly sized building.
Do I need a geotechnical report?
Not every project requires one.
It depends on project size, foundation design, soil conditions and local requirements.
The structural engineer or building department may determine that geotechnical information is necessary.
Can I put the building on an existing slab?
Possibly, but the slab needs to be evaluated for the proposed loads, column locations and anchorage.
A patio slab, driveway slab or unverified slab should not automatically be assumed to be adequate.
Does every metal building need electrical plans?
No.
A storage building with no electrical work may have no electrical scope.
A workshop, garage, office or commercial building with electrical systems may require electrical permit documents.
What about plumbing?
If the building contains:
- restroom,
- sink,
- water heater,
- floor drains,
- or other plumbing,
additional plumbing documentation may be required.
Will a conditioned metal building need HVAC plans?
Potentially.
Conditioned projects may involve HVAC design, ventilation and energy-code requirements.
Are wind calculations required in Florida?
Structural wind-design criteria are important in Florida. The exact calculation and documentation requirements depend on the building system, project and jurisdiction.
The current 8th Edition Florida Building Code references ASCE 7-22.
Is Miami-Dade different?
Yes.
Miami-Dade is within Florida’s High-Velocity Hurricane Zone and has additional structural and product-control considerations compared with many other Florida jurisdictions.
Project-specific requirements should be confirmed before design.
Do Broward County metal buildings also fall under HVHZ?
Yes, Broward County and Miami-Dade County are the Florida HVHZ jurisdictions.
The applicable requirements still depend on the specific project.
Can a metal garage be permitted as an accessory structure?
Often yes, where zoning allows it.
But the lot’s zoning may control:
- allowable use,
- building area,
- height,
- setbacks,
- lot coverage,
- and placement.
Can I build a commercial business inside a residential accessory metal building?
Do not assume so.
Zoning and occupancy requirements may prohibit or limit commercial uses.
Confirm the proposed use before designing the building around it.
Do metal buildings require architectural drawings?
Some simple projects may require relatively limited architectural documentation.
Commercial, occupied or more complex projects often require substantially more information.
The building’s use, not only the material, determines the scope.
What if the county rejects the plans?
Send the review comments and current plan set.
The comments should be organized by discipline and addressed individually.
Avoid changing unrelated items unless necessary.
Can permit revisions be made without redrawing the entire package?
Usually, yes.
If the original set is usable, only affected sheets may need revision.
Major design changes or new engineering can increase the scope.
How do I know what my county requires?
Start with:
- property address,
- jurisdiction,
- building size,
- intended use,
- manufacturer package.
The permitting authority and exact checklist should be confirmed before finalizing the drawing set.
Final Metal Building Permit Checklist
Before you submit, verify that the project has addressed:
Property / Zoning
- Property address confirmed
- Jurisdiction confirmed
- Zoning checked
- Use allowed
- Setbacks confirmed
- Easements checked
- Building height checked
- Lot coverage checked
Site
- Site plan
- Building footprint
- Existing structures
- Access/driveway
- Flood information if applicable
- Drainage information if applicable
Manufacturer Package
- Building dimensions
- Frame elevations
- Columns
- Bay spacing
- Roof slope
- Design criteria
- Reactions
- Anchor information
- Framing/shop drawings where applicable
Foundation
- Foundation plan
- Footing sizes
- Reinforcement
- Slab
- Concrete strength
- Anchor locations
- Base plates
- Foundation sections
Structural
- Design criteria
- Wind information
- Load path
- Connections
- Calculations where required
- PE review/signing and sealing where required
Architecture
- Floor plan
- Elevations
- Sections
- Doors/openings
- Building use
Additional Disciplines
- Electrical if applicable
- Plumbing if applicable
- Mechanical if applicable
- Energy documentation if applicable
- Product approvals if applicable
Submission
- Correct sheet format
- Required signatures/seals
- Permit application
- Supporting manufacturer documents
- Current revision dates
The biggest mistake in a Florida metal-building permit is assuming
“I bought engineered building plans, so I have everything required for the permit.”
Sometimes you do.
Often you do not.
A successful metal-building permit package connects four things:
THE PROPERTY
- THE FOUNDATION
- THE MANUFACTURER’S BUILDING SYSTEM
- THE LOCAL PERMIT REQUIREMENTS
When those four pieces are coordinated early, the project becomes far easier to permit and build.
When they are handled separately, the permit reviewer usually finds the gaps.
Need Help With a Florida Metal Building Permit?
If you are planning:
- a metal garage,
- workshop,
- storage building,
- agricultural-style building,
- commercial steel structure,
- PEMB,
- RV/boat storage building,
- or another prefabricated metal structure,
send:
- Property address
- Building size and intended use
- Manufacturer plans, if available
- Survey, if available
- Any permit comments already received
We can review the available information and identify the drawing scope that still needs to be coordinated for the permit.
Permit requirements vary by jurisdiction, project type, occupancy and site conditions. This guide provides general Florida permitting information and is not a substitute for project-specific engineering, surveying, architectural services or direction from the reviewing authority.




