Florida Barndominiums: Builders, Codes, Costs & Financing

Want to build a barndominium in Florida? You’re not alone. Many people in Florida are looking to build this unique style of home. Why? Because they’re affordable, durable and they have modern amenities with rustic charm.

Florida is not the easiest state to build a barndominium in — but it is absolutely legal, and thousands of Floridians have done it. What makes Florida different from almost every other state on this site is the depth of its hurricane-driven building code, and that code varies more by county here than anywhere else.

There are many custom home builders in Florida to choose from, but before you get too far ahead, it’s important to understand the rules. Can you build a barndo in Florida? How much does it cost and what is the process?

Here’s what actually applies, region by region in the Sunshine state.

Can You Build a Barndominium in Florida?

As we mentioned above, yes you can build a barndominium in Florida as long as it meets local codes and requirements.

You’ll find that rural areas of the state are more barndo-friendly because regulations aren’t as restrictive as suburban or urban areas.

Still, there are a few important things to keep in mind here:

• You may be required to connect to a city sewage system if one is available. Depending on where your property is situated and where you want to place your barndo, this could be a significant expense.
  
• You may be required to follow the International Property Maintenance Code, which may make some off-grid systems that are popular with barndos illegal, like using rainwater as your main water source.
  
• Like most other states, land in Florida falls under some kind of zoning, whether it’s residential, commercial, rural or some other designation. You’ll need to keep this in mind because some zoning laws may make it difficult to build a barndo unless it meets certain requirements.
  
• You will need permits for your building. Check local ordinances and HOA regulations to make sure you have the right to construct your building.

Building laws and regulations can vary from one local jurisdiction to another, so it’s important to do your due diligence before you start the building process. Understanding what you can and cannot do will make your life easier and eliminate so many headaches.

Before we jump in, please understand that Florida’s climate has a major effect on barndominium design. Let’s dig into those climate challenges now….

The buildings must withstand hurricanes and high humidity. Builders use sturdy materials like steel to meet these challenges.

Obviously, flood zones impact barndominium construction across Florida. In some areas, the finished floor must be above potential flood levels. This rule protects homes from water damage.

The Florida Building Code: A Live Transition Worth Knowing About

Florida operates under a single statewide code, the Florida Building Code (FBC), currently in its 8th Edition (effective December 31, 2023). The 9th Edition takes effect December 31, 2026 — six months from now as of this writing. Permits applied for and issued before that date are generally grandfathered under the current 8th Edition; permits issued after fall under the new, somewhat stricter 9th Edition rules, which expand hardened-envelope requirements (impact-rated construction) to new residential construction within five miles of tidal water, even outside the traditional High-Velocity Hurricane Zone.

Practical takeaway: if you have a build-ready design, pulling your permit before December 31, 2026 can lock in the current code and modestly reduce hardened-fenestration costs. If your design isn’t ready, don’t rush it just to beat the deadline — design to the 9th Edition standard from the start instead.

High-Velocity Hurricane Zone (HVHZ): Miami-Dade and Broward Only

Two counties in Florida — Miami-Dade and Broward — fall under the HVHZ designation, a substantially stricter overlay created after Hurricane Andrew’s 1992 devastation. If you’re building in either county, expect:

• Design wind speeds of 170–180 mph, the highest in the continental United States
• Every window, door, shutter, and roof assembly needs a Miami-Dade Notice of Acceptance (NOA) — a more rigorous, locally-issued certification than the standard statewide Florida Product Approval
• Large-missile impact testing: products must survive a 9-pound 2×4 fired at 50 feet per second, plus 9,000 cycles of pressure testing
• Plywood shutters are not acceptable as permanent code-compliant protection — impact-rated glazing or approved shutter systems are required on every opening
• A 30–60% cost premium on HVHZ-compliant materials compared to standard-zone products, and roughly 10–15% higher total construction cost compared to an equivalent inland Florida build

If you’re outside Miami-Dade and Broward, you’re not off the hook on wind design — you’re just under a somewhat less stringent (though still serious) version of it.

Wind Zones Outside HVHZ: It Depends Which County You’re In

Florida’s design wind speed isn’t one number — it varies significantly by region:

Region	Example counties	Typical design wind speed
Panhandle / North Florida	Escambia, Santa Rosa, Bay, Leon, Alachua	130–150 mph
Tampa Bay area	Hillsborough, Pinellas, Pasco	140–160 mph
Southwest / Atlantic coasts	Collier, Lee, Palm Beach, Martin	160–170 mph
HVHZ	Miami-Dade, Broward	170–180 mph

If a builder quotes you a single “hurricane-rated” spec regardless of which county you’re in, ask for the specific design wind speed their engineering is stamped for. A kit engineered for 130 mph in the Panhandle will not meet code on the Southwest coast.

A warning worth taking seriously: kits priced near $13/sq ft are frequently flagged industry-wide as not meeting Florida wind code at all — they’re often generic agricultural packages with no county-specific engineering. Confirm stamped engineering for your specific county before you buy based on price alone.

Flood Zones: The Mechanics Most Guides Skip Past

Florida’s flood zone rules go beyond “check if you’re in a flood zone.” If your property falls within a FEMA-mapped Special Flood Hazard Area, the Florida Building Code (via ASCE 24) requires:

• Finished floor elevation at or above Base Flood Elevation (BFE) plus freeboard — typically an additional 1 foot above BFE, though some counties or Community Rating System participants require more
• Flood-resistant materials for any construction below the BFE line
• Elevated or protected mechanical equipment — HVAC and electrical systems can’t simply sit at ground level in a flood zone
• V-Zone requirements in coastal high-hazard areas: an open foundation (pilings, not a solid perimeter wall) with the lowest horizontal structural member at or above BFE plus freeboard

Building below these standards can make your property ineligible for National Flood Insurance Program coverage — a serious problem if your lender requires flood insurance as a condition of financing.

Florida Home Owner’s Insurance: Genuinely Harder Here Than Most States

Florida’s insurance market is difficult for conventional homes, and barndominiums add another layer of complexity on top of that:

• Metal construction and mixed residential/workshop use both complicate underwriting. Insurers sometimes struggle to classify a barndominium as a primary residence versus an agricultural structure, which can affect coverage and claims.
• National carriers are less likely to write these policies than specialty insurers experienced with rural and non-traditional homes — carriers like Foremost, American Modern, and Farm Bureau are more commonly cited as barndo-friendly than the large national names.
• A wind mitigation inspection — separate from your building inspection — documents features like hurricane straps, impact windows, and roof-to-wall connections, and can save 30–45% off the windstorm portion of your premium. On a $400,000 coastal home with a $7,000/year premium, that’s roughly $2,450/year in savings.
• Standard policies typically exclude flood and earthquake damage — flood insurance is a separate policy, and it’s essentially mandatory in much of coastal Florida regardless of what your lender requires.

Work with an independent agent experienced in rural or non-traditional properties, and get your insurance conversation started early — ideally before you finalize your design, since roof system, exterior materials, and wind mitigation features all affect what you’ll pay.

Florida Barndominium Plans For Sale

Top Barndominium Builders in Florida

Before you can start building your dream home, you’ll need to find a builder. Regardless of whether or not you already have land, you should know which builder you want to work with and which home you want to build.

Some of the top builders of barndos in Florida include:

MBMI Steel Buildings

4723 W Atlantic Ave, Ste A20
Delray Beach, FL 33445
1-800-293-2097
https://mbmisteelbuildings.com/

MBI Steel Buildings specializes in barndominiums and was created by a group of steel building professionals. The company is one of the leading suppliers of prefab metal buildings in the country. All of their products are manufactured in the U.S.

MBI makes it easy to customize their barndos based on your own design ideas. The company has quite a few barndominiums in its portfolio, and you can view sample plans of 50 x 100 and 40 x 80 models.

Sample plans also include illustrations to help you visualize your dream home.

Keens Buildings

620 W. Howard St.
Live Oak, FL 32064
(386) 364-7995
https://keensbuildings.com/

Keens Buildings has a wide selection of barndominiums, including both single and two-story floor plans. They also offer a 3D builder tool that allows you to visualize and customize your building right from the comfort of your home.

You’ll also find rent-to-own options and detailed information about financing on their website.

Keens has six locations across Florida, including:

• Two in Live Oak (one is a Super Center)
• Masaryktown
• Perry
• Chiefland
• Dade City
• Madison

If you have any questions about their barndos or company, you can call or text their team.

Back Forty Barndos

P.O. Box 58
Bryceville, FL. 32009
904-503-3042
https://backfortybuildings.com/

Back Forty Barndos specializes in barndominiums, pole barns and custom horse barns. The founders of the company have more than two decades of experience in the construction and barndominium sectors.

All of their homes are custom-made from the ground up. The team also helps customers find property if they don’t already have a plot.

Florida Barndominiums LLC

3012 Kacher Rd
North Port, FL 34288
(850) 800-6514
https://floridabarndominiumsllc.com/

Florida Barndominiums LLC was founded by Joseph Elliot Craft III, who has been in the construction business since he was 18 years old in 1998. Joe launched Florida Barndominiums LLC to help people build their dream homes in Florida.

The company’s website has several plans for viewing, including homes in the following sizes:

• 28 x 40
• 27 x 40
• 32 x 50
• 30 x 42

Plans are available for both single-story and two-story barndos.

DC Builders

11251 SE 232nd Ave
Damascus, OR 97089
888-975-2057
https://www.dcbuilding.com/

DC Builders constructs barndos through their sister company DC Structures. While the company is headquartered in Oregon, they build barndos across the country.

They offer pre-engineered models as well as custom options and Florida barndominium kits. You can view completed projects, learn more about their building process and get inspiration for your barndo on their website.

How to Build a Barndominium in Florida

Building a barndominium in Florida is a straightforward process that is not unlike building a stick-built home.

The process for building your barndo will be a little different, depending on the builder you choose and your local laws. But the general process looks a little something like this:

Choose a Builder and a Floor Plan

One of the first steps you should take is to find a builder. Your builder can help you understand what type of property you will need to make your dream home a reality.

Weigh your options carefully and compare each builder’s:

• Building process
• Warranty
• Cost
• Options

If you already have a vision for your barndo, then make sure that you choose a builder who can accommodate your wishes.

Securing Your Land

Once you’ve chosen a builder and a home, the next step is to find a plot of land that ticks off all of your boxes. Consider the following when looking a land:

• Are there utilities nearby?
• Is the land easily accessible?
• Are there restrictions that will prevent you from building?
• Is the property big enough for your current and future plans?
• Is the land in a great location?

Some people prefer to buy their land before they seek a builder. It really comes down to personal preference and the builder’s requirements.

In some cases, builders can help you find land.

Secure Permits

If the builder doesn’t offer turnkey service, you will need to find a general contractor to take on your project.

Your contractor will manage and facilitate the building project, which means they will also secure the necessary permits for the job and zoning.

Complete Site Work

The next step is to get started on the site work. The extent of the work will depend on the size of your barndo, the foundation you’ve chosen and most importantly, your plot of land.

A heavily treed lot will cost more to clear and grade than a cleared lot.

Site work may also include the running and installation of utilities, such as:

• Electricity
• Water and sewer

If municipal water and sewer connections are not available, then you will need a well and septic tank. Permits will likely be required for both. In some parts of Florida, it is illegal to install a septic tank.

Construct the Barndo

Once the site work has been completed, it’s time to construct your barndo. Depending on the size and features of your home, this process can take three to six months or more.

Remember that you’ll need to finish out your barndo, and that can take some time. You’ll need to work with a general contractor for this stage.

Once all of these steps are completed, you can move into your new home.

How Much Does A Barndo Cost To Build in Florida?

Barndominiums are by and large much more affordable than stick-built homes. Here’s why:

• The construction time is quicker, so you save on labor costs.
• Many barndos are pre-engineered, so much of the structure is manufactured in a facility.
• They use less costly materials.

On average, it costs about $125 per square foot to build a traditional home in Florida. While that figure is still lower than many other states, it’s not quite as low as a barndo. Building a barndo will cost, on average, $48-$66 per square foot.

Financing

Financing a Florida barndominium can be harder than financing a conventional home, since many national lenders are less familiar with metal buildings, mixed-use layouts, or agricultural parcels.

• Regional banks, credit unions, and agricultural lenders tend to be more comfortable with these projects than large national lenders.
• Expect to provide more detailed documentation than a conventional mortgage would require — full plans, budgets, permits, insurance information, and contractor credentials.
• Down payment requirements can run higher than a conventional home, and lenders typically won’t allow you to pay out-of-pocket for materials mid-construction, so nail down your full budget, including finishes and appliances, before applying.

What It Actually Costs

Florida’s cost range is wider than most states because region and HVHZ status matter so much:

Build type	Typical range
Shell kit only	Roughly $20–$72/sq ft, depending on wind engineering required
Turnkey, inland/rural	Roughly $95–$165/sq ft
Turnkey, coastal or HVHZ	Roughly $150–$250+/sq ft, driven by impact-rated openings, elevated foundations, and NOA-certified materials

For comparison, a traditional stick-built home in Florida generally runs $125–$250/sq ft depending on region — barndominiums still offer meaningful savings, but the gap narrows in HVHZ counties where both construction types face the same strict code.

Of course, your final costs will depend on several factors, including:

Finishes, Add-ons and Customizations

In most cases, the cost of your barndo will only be for the shell. You’ll still need to pay for finishes and any add-ons that you may want.

If you have customizations in mind, then you can expect to pay significantly more for your structure.

The finishes you choose will also affect your project’s cost. For example, high-end countertops, appliances and fixtures can bump up the cost of your barndo quite a bit.

How Much Site Work is Needed

The more extensive the site work, the higher the cost will be for your barndominium. If extensive clearing and grading are required, you can expect to spend thousands.

Many buyers find that these types of properties are well worth the cost of the site work because they often offer more privacy.

The Cost of the Land and Running Utilities

Of course, you’ll also need to factor in the cost of purchasing the land and running utilities. Depending on the situation, you may be able to find a lender who will finance the purchase of your land, but this is uncommon.

The cost to run and connect utilities may be quite high if you are far away from the lines.

Realistic Timeline

Most Florida barndominium builds take 6–8 months, with simpler inland builds landing on the shorter end and larger, custom, or HVHZ projects running 10–12 months or more due to additional engineering review and stricter inspection requirements. Site preparation and permitting can add another 1–2 months on top of active construction time.

Working With a Local Builder

Given how much Florida’s wind engineering, flood requirements, and permitting complexity shift by county, a builder with genuine local experience is worth significantly more here than almost anywhere else on this site. When vetting a Florida builder, ask:

• What specific design wind speed their engineering is stamped for, and whether it matches your county’s requirement
• Whether they have HVHZ experience specifically, if you’re building in Miami-Dade or Broward
• How they’re accounting for the upcoming FBC 9th Edition transition if your project won’t permit before December 31, 2026
• Whether they handle flood zone elevation and V-zone foundation requirements directly, or whether you’ll need a separate specialist
• For references or photos from completed Florida projects in your specific region

Environmental and Land Use Considerations

Building a barn home in Florida requires careful attention to environmental regulations and zoning laws. These factors can impact where and how you can construct your home.

Impact on Natural Resources

Florida’s unique ecosystem demands special care when building. Flood zones are a key concern. Some counties require the finished floor to be at least 1 foot above the 100-year flood level.

Wetland protection is crucial. Builders must avoid disturbing these areas. This may limit where barndominiums can be placed on a property.

Water conservation is important in Florida. Barndominiums should use efficient plumbing fixtures. Rainwater collection systems can help reduce water usage.

Wildlife habitats need protection. Construction should avoid disrupting nesting areas or animal migration paths.

Agricultural Zoning Implications

Many barndominiums are built on land zoned for agricultural use. This can affect what’s allowed on the property.

Agricultural zoning may limit the size of living spaces. Some areas restrict the residential portion to a percentage of the total structure.

Farming activities might be required to maintain agricultural status. This could include keeping livestock or growing crops.

Property taxes may be lower on agricultural land. However, changing the land use could lead to higher tax rates.

Building codes for agricultural structures can differ from residential ones. This may impact design and construction choices.

What considerations should be taken into account for barndominiums in hurricane-prone areas of Florida?

Due to the risk of hurricanes in the state, proper anchoring is crucial to prevent the structure from being lifted or moved by strong winds. Barndominiums must be securely anchored to the ground to withstand extreme weather conditions.

The construction should feature a strong steel frame and thick walls. A well-structured metal barndominium can resist winds up to 175 mph. Some designs can even withstand 200 mph winds when built with ICF blocks.

Florida’s building codes are strict due to hurricane risks. Barndominiums need to be engineered to meet or exceed local wind load requirements. This involves using hurricane-resistant materials and design features.

Key hurricane-resistant features to consider include:

• Impact-resistant windows and doors
• Reinforced roof structures
• Proper drainage systems
• Elevated foundations in flood-prone areas

Regular maintenance is essential to ensure the barndominium remains hurricane-ready. Owners should inspect and reinforce weak points before each hurricane season.

Hurricane-resistant features are a must for Florida barndominiums. These structures can be safe and durable homes when built to withstand the state’s extreme weather conditions.

This page is for general informational purposes and isn't a substitute for confirming requirements directly with your county's building and zoning office, a licensed state contractor, or a mortgage professional.