ADU Builder in Osceola County, FL
An accessory dwelling unit is a second, smaller home on a lot that already has a house on it. Brightview builds them from $75,000 on pre-priced plans, and runs the zoning feasibility free. Whether your Osceola County parcel allows one comes down to zoning, lot size, setbacks and utilities — reviewed by Osceola County Development Review, plus Kissimmee and St. Cloud or your city.
An accessory dwelling unit is a second, smaller home on a lot that already has a house on it. Brightview builds them from $75,000 on pre-priced plans, and runs the zoning feasibility free. Whether your Osceola County parcel allows one comes down to zoning, lot size, setbacks and utilities — reviewed by Osceola County Development Review, plus Kissimmee and St. Cloud or your city.
Building in Osceola County: what's actually different here
Osceola is the fastest-growing county in our footprint and the one where fees change the math the most — its impact-fee schedule adds roughly $29,000 to the same house we would build in Flagler for zero. We publish that difference instead of burying it, because a builder who quotes you an Orange County price on an Osceola lot is going to come back for it later.
Osceola is inland, so wind load is standard, but wetland and drainage review is the common surprise on undeveloped Poinciana and east-county parcels.
What Osceola County means for your budget and your schedule
- The highest impact-fee load in our eight counties — about $29,000 on our smallest plan. Budget it up front.
- Enormous platted-lot supply, especially in Poinciana, where quarter-acre homesites have been sitting on the books for decades.
- St. Cloud and the Narcoossee corridor are absorbing the Lake Nona spillover.
- Short-term-rental demand near the attractions is real, but zoning for it is specific — we check the parcel before anyone promises anything.
- Large stretches are septic-served with well water, which changes both the budget and the permit path.
The three structures we build in Osceola County
Pre-priced, engineered and permitted — not a cost-plus job with an open end. Site conditions (utility runs, access, impact fees) get quoted on top, in writing, before you sign.
The Garage
21' × 23' detached two-car garage. Pre-wired and pre-plumbed so it can convert to a dwelling later.
The 1-Bedroom ADU
498 sq ft, 21' × 23'. A true 1BR/1BA with its own entry, kitchen and laundry.
The Carriage ADU
Two stories: parking and storage below, a 517 sq ft one-bedroom apartment above.
Why owners in Osceola County build with us
- A 1-bedroom ADU from $75,000 — pre-priced plans, not an open-ended cost-plus job.
- Rental income, an aging parent, an adult kid, or a home office that is genuinely separate.
- Free zoning and feasibility report on your specific parcel before you spend a dollar.
- Every jurisdiction treats accessory dwellings differently — we find out what yours allows, in writing.
- Built by a licensed general contractor to the same code and the same warranty as our houses.
How an Osceola County build runs, start to finish
Send your address
One address is enough to start the zoning check.
Free feasibility report
Whether your parcel allows an accessory dwelling, at what size, with what setbacks, parking and utility connections.
Pick a plan
Three pre-priced plans: the garage, the 1-bedroom ADU, and the carriage unit with parking below.
Permits
We handle the accessory-dwelling permit through your city or county, including impact and tap fees.
Build
Typically 4–6 months from permit to certificate of occupancy on a standard lot.
ADUs by city in Osceola County
Brightview builds throughout Osceola County, including Kissimmee, St. Cloud, Celebration and Poinciana. Pick your city for local permitting, lot and pricing detail:
Everything else we build in Osceola County
Straight answers
Can I build an ADU in Osceola County?+
It depends on your specific parcel — zoning, lot size, setbacks, parking and utilities all decide it, and in Osceola County that review goes through Osceola County Development Review, plus Kissimmee and St. Cloud. Brightview runs that feasibility check free: send an address, get a written answer. Brightview Homes is a licensed Florida general contractor (CRC1334100) building across eight Central Florida counties. Call (407) 543-1739.
How much does an ADU cost in Osceola County?+
Brightview's pre-priced accessory dwellings start at $75,000 for a 498 sq ft one-bedroom unit and $98,000 for the two-story carriage unit with parking below. Site conditions — utility runs, impact fees, access — are quoted on top in writing before you sign.
What is an ADU, exactly?+
An accessory dwelling unit is a second, smaller, complete home on a lot that already has a primary house — its own kitchen, bathroom and entrance. People call them granny flats, in-law suites, casitas, garage apartments and backyard cottages; the code calls them accessory dwellings.
How long does it take to build an ADU in Osceola County?+
Typically 4–6 months from issued permit to certificate of occupancy on a standard Osceola County lot, with permitting through Osceola County Development Review, plus Kissimmee and St. Cloud ahead of that. Utility connections and impact fees are the usual schedule variable, not the construction itself.
Will an ADU in Osceola County pay for itself?+
That depends on your rent comps and what you finance it with, and we won't pretend otherwise. What we will do is show you the actual all-in cost for your parcel so you can run the math against real Osceola County rents instead of a brochure number.
Do I need my own architect for an ADU in Osceola County?+
No. Our three plans are already drawn and engineered, which is what keeps them pre-priced. If your parcel needs something custom — an odd setback, a historic overlay, a tight envelope — we'll tell you before you pay for design.
Talk to a builder, not a call center
Send us an address or a question. We answer with real numbers — what it costs, what your parcel allows, and how long it takes.