A barndominium with a tall, deep RV garage bay attached to the residence under one continuous roof.

RV Barndominium in Florida

"RV barndominium" isn't a formal building category, no code body defines it, it's a design pattern where a large RV bay is the building's primary program element rather than an afterthought. What that actually takes is bigger than most people plan for: a real Class A coach can run 45 feet long, which means the bay needs roughly 50 feet of clear depth, closer to the building's full length than its width. Get that number right first and the rest of the layout follows.

What actually changes with this feature

The look is the easy part. These are the decisions that follow from it.

Bay depth is the real constraint

Class A coaches run up to 45 ft. Add a workable front and rear clearance and a comfortable bay needs roughly 50-57 ft of clear interior depth, tight storage-only fits can get away with less, but not much less. That runs the long dimension of the building, not the width.

Pull-through bays cost more than one extra door

Doors on both ends means both end walls lose shear capacity at the same time, instead of one solid wall carrying the lateral bracing while the other has the opening. That bracing has to be engineered elsewhere in the building. Ask for a price on this specifically rather than assuming it's a simple add.

Hookups: power, water, sewer

A 50-amp pedestal connection, hot and cold hose bibs with a utility sink, and a capped sewer inlet are the standard package. Route the sewer dump to the outside of the bay rather than inside it, real owners report indoor dump connections as a genuine, recurring odor problem worth avoiding at the design stage.

An enclosed bay is a garage, code-wise

Florida code draws a hard line: a carport open on fewer than two sides is classified and permitted as a garage. The moment your RV bay is enclosed on three or more sides under the main roof, it's a garage in the code's eyes, which triggers the same dwelling-garage fire separation a shop bay needs, not a lighter standard because it's sized for an RV.

A barndominium with a tall, deep RV garage bay attached to the residence under one continuous roof.
Work from the depth, not the door

A 45-foot coach needs roughly 50 feet of bay depth, not just a tall enough door

Most RV-bay content fixates on door height and stops there. The real constraint is depth: a large Class A coach plus a workable front and rear clearance runs close to 50 feet, which has to come out of the building's long dimension, not its width. On a 40x60 footprint, that's most of the 60-foot run consumed by the bay alone, which changes how much room is actually left for a shop or extra living space. We size the bay to your specific coach before we size anything else.

Common ways to build this

Common configurations we see. Yours does not have to match one exactly — this is a starting point for the conversation, not a catalog.

Single RV bay plus a car bay

~50-57 ft RV depth + a standard vehicle bay

The most common real configuration: one deep bay sized to the coach, one normal-depth bay alongside it for a daily vehicle. Ceiling height and door size follow from the RV; the car bay doesn't need to match it.

Pull-through bay

overhead doors on both ends

Drive straight through instead of backing in. Needs engineered lateral bracing since both end walls carry an opening at once, and driveway access at both ends of the building, not just one.

RV port vs. enclosed garage

open-sided carport vs. fully enclosed bay

An open-sided port permits on the lighter carport path. Enclose it on three or more sides, which is what most people actually mean by "RV barndominium," and it's a garage under Florida code, with the fire separation that classification requires.

RV Barndominium: common questions

6 questions we get asked most often about this footprint. If yours is not on the list, ask it directly.

How deep does an RV bay actually need to be?
Deeper than most people plan for. A large Class A coach can run up to 45 feet, and a workable bay needs that length plus roughly 8 to 12 feet of front and rear clearance, somewhere around 50 to 57 feet of clear interior depth for comfortable use. Measure your actual coach, not a spec sheet average, and expect that number to consume most of the building's long dimension.
Is 'RV barndominium' a special type of building?
No, it's a design pattern, not a formal building classification. Nothing in the code treats an RV-focused barndominium differently from any other. What it really means is that the RV bay is sized first and the rest of the layout, ceiling height, door size, living space, follows from that decision, the same logic we use on any shop-forward build.
What's a pull-through bay and is it worth the extra cost?
A pull-through has an overhead door on each end, so the coach drives straight through instead of backing in. It's a real, buildable configuration, but it's a bigger structural decision than one extra door: both end walls lose their shear capacity at the same time, which has to be braced elsewhere in the building. We'll price it against a single-entry bay for your specific layout rather than quote it as a flat add-on, since the engineering cost depends on the rest of the frame.
Can I run power, water, and sewer to my RV bay?
Yes, and it's worth planning at the design stage rather than retrofitting. A 50-amp pedestal connection, hot and cold hose bibs, and a capped sewer inlet cover the common setup. We route the sewer connection to the outside of the bay specifically, real owners report a genuine odor problem with indoor dump connections, and we confirm the backflow and venting requirements with your local plumbing authority before finalizing it, since that detail is set county by county.
Does an RV bay need the same fire separation as a shop?
If it's enclosed, yes. Florida code treats any carport enclosed on three or more sides as a garage, full stop, regardless of what it's built to store. Once it's classified as a garage attached to a dwelling, the same fire-rated wall and ceiling assembly a shop bay needs applies here too. We build that in from the first drawing rather than let a buyer assume 'RV bay' is exempt from a requirement that applies to any attached garage.
Is Florida actually a big market for this, or is that just marketing?
It's real, with a caveat worth being honest about. University of Florida research put the state's seasonal snowbird population at roughly 900,000 to 1 million people during winter months, though that figure is now dated and hasn't been freshly re-studied. What's more durable is the draw for full-time RVers specifically: Florida has no state income tax, which is a genuine, commonly cited reason full-timers pick it as a legal home base. What isn't true is that Florida leads the country in RV ownership per capita, it doesn't, that ranking belongs to smaller, more rural states. Florida's real strength is volume and seasonal migration, not an ownership rate.

Want this drawn for your program and your parcel? That is where a build actually starts.

Start your plans

Tell us what you want to build and we will draw this for your program, then confirm what it looks like on your parcel, the wind load it has to meet, and a realistic budget range. That conversation costs nothing.