ADUs are allowed in Unincorporated OsceolaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Osceola, FL
Is your property eligible for an ADU?
# of Properties
123,891
Owner-occupied
60%
Zoning districts
113
Avg Home Value
$377,679
Median Lot Size
0.16 acres
Avg Income
$84,522
Residential Types:
123,891 housing units
Single Family
86%
Apts (4+ units)
1%
Condos
7%
Other
5%
Zoning Districts:
168,707 parcels · 113 districts
PD
52%(87,793)
AC
9%(15,974)
LDR
9%(15,114)
CT
6%(9,348)
Other
24%(40,478)
ADU Rules
What can you build in Unincorporated Osceola, FL?
Unincorporated Osceola, FL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size is 60% of the primary dwelling’s total air‑conditioned floor area; on lots under 1 acre it is further capped at 1,000 sq ft.
Detached ADU Size Limits
- –Maximum size is 60% of the primary home’s air-conditioned floor area; on lots under 1 acre it is further capped at 1,000 sq ft (whichever is less).
Max Units
- –1 accessory living unit (ALU) or guest home per conforming lot
Owner Occupancy
- –Owner-occupancy of the primary dwelling required for ALU rentals
Parking
- –2 spaces/ADU (2 BR or fewer); 4 spaces/ADU (3+ BR). CRA max 110% of the standard; countywide max not stated; off-site/shared parking allowed; on-street can count; MXD/CRA have separate standards; ALU parking not separately stated.
Rental Restrictions
- –Short-term rentals prohibited; ALU may be rented only long-term if the primary dwelling has a homestead exemption.
ADU State Law
What can you build in Florida?
- –Florida does not have a statewide ADU mandate. There is no state-level requirement for cities or counties to allow ADUs.
- –ADUs in Florida are regulated entirely at the local level. Some jurisdictions allow ADUs broadly, others allow them with strict conditions, and some prohibit them altogether.
- –Florida Statute 163.31771 is optional. It allows local governments to adopt ADU ordinances for affordable housing, but it does not require any jurisdiction to allow ADUs, and local governments may adopt ADU rules outside of this statute.
- –County and city rules may differ. In unincorporated areas, county zoning controls whether ADUs are allowed; within city limits, municipal zoning codes apply.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Florida municipalities
Rules change at the town line. Check the municipality your property is actually in.
Osceola County