Can You Airbnb Your Backyard ADU in Orange County? The Number Isn't 30

Everybody argues about 30 days. That's the city's number.

Orlando draws its line at 30 days. Anything shorter counts as a short-term rental, and the city's own short-term rental chart puts a whole-home rental under 30 days in a residential zone in the column marked not permitted. What the city does allow is home sharing — you rent part of the house you actually sleep in, up to half the bedrooms, you're on site while the guest is there, and you register it.

Now read that again with a backyard unit in mind. Home sharing is about bedrooms inside the house you live in. An ADU has its own kitchen, its own bathroom, its own door, its own spot for the delivery driver to leave the bag. Rent the whole thing to a guest for a weekend and you didn't share your home. You rented a separate unit, which is the thing sitting in the not-permitted column.

The city's ADU handout says it in one flat sentence with no escape hatch after it: an ADU may be rented via a standard residential lease, and short-term rentals under 30 days are restricted.

If your mail says unincorporated, your number is 180.

Go look at your address on the property appraiser's site and find the line that says Municipality. Azalea Park, Pine Hills, Conway, Rio Pinar, Meadow Woods — a lot of places with Orlando mailing addresses are not in the City of Orlando. They're unincorporated Orange County, and the county wrote its own ADU rule with a different number in it.

The county code prohibits transient rental or leasing of an ADU — defined there as a period of 180 days or less — with a narrow exception tied to R-3 zoning, which most single-family neighborhoods are not. That's not a weekend ban. That's Thanksgiving turkey to Fourth of July fireworks, same name on the lease the whole way through.

There's a second condition stacked on it. The house and the ADU have to stay under single ownership, and the property has to be homesteaded — the county holds the certificate of occupancy until the parcel qualifies. So the rule reaches past who sleeps in the back cottage and asks whether anybody really lives in the front house.

Which raises a fair question: how does a county get away with that, when Florida law stops local governments from regulating how long or how often a property gets rented? A grandfather clause. Local rules already on the books by June 1, 2011 survived the state's preemption. Orange County's did.

Tallahassee nearly rewrote all of this, and it died over this exact argument.

During the 2026 session there was a bill — SB 48 — that would have forced every local government in Florida to allow an accessory dwelling unit in areas zoned for single-family homes, and would have stripped out owner-occupancy requirements and extra parking demands along the way. It passed the Senate 38 to nothing. Not one vote against it.

Then it died in messages on the last stretch of session. The snag was this: whether local governments could still keep ADUs off the short-term rental sites. One chamber wanted cities to keep that power. The other wouldn't agree. Rather than let it sink the broader housing bill, the ADU language got pulled out entirely, and the companion bill became law without it.

So the argument in the comments under that backyard cottage photo is the same argument that killed a bill in Tallahassee. It's expected back in a future session. It is not law today, and a permit application doesn't care what's expected back.

Who's on the other side of 180 days?

Somebody still moves in. Long leases are permitted, and Orange County built a whole program around encouraging exactly that — Ready Set Orange, with pre-drawn ADU plans the county already had reviewed for building code consistency, named after citrus: Clementine, Mandarin, Seville, Tangerine. Hundreds of applications came in during the first year. The stories the county keeps publishing are not investors. They're a mother who needs her own door, an adult kid who came home, a friend who got priced out of a lease.

That's also who a half-year minimum sorts for. A nurse on a travel contract. Somebody between a sale and a closing. A parent who wants their own kitchen and the same driveway as the grandkids. Less turnover, no cleaning crew, no reviews, and nobody's next-door neighbor filing a complaint with zoning.

Whether it pencils out on your lot is a separate question from whether the rule allows it, and that one depends on your zoning district, your lot size, your setbacks, your backyard, and which side of the city line your driveway sits on. That's what the [ADU Fit Check](/adu-fit-check/) is for — put in your address, find out what your property can actually hold and what you're allowed to do with it, before you fall in love with a floor plan.

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