

ADUs are allowed in Unincorporated WaltonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Walton, FL
Is your property eligible for an ADU?
# of Properties
52,381
Owner-occupied
37%
Zoning districts
57
Avg Home Value
$908,292
Median Lot Size
0.16 acres
Avg Income
$114,029
Residential Types:
52,381 housing units
Single Family
78%
Apts (4+ units)
1%
Condos
21%
Zoning Districts:
104,016 parcels · 57 districts
CC
22%(22,527)
RP
17%(17,534)
GA
12%(12,187)
NI
9%(9,186)
Other
41%(42,582)
ADU Rules
What can you build in Unincorporated Walton, FL?
Unincorporated Walton, 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 of 800 sq ft of conditioned area for an internal accessory dwelling unit (in-home apartment).
- –Maximum of 75% of the primary dwelling’s livable area for an internal accessory dwelling unit (in-home apartment).
Detached ADU Size Limits
- –Maximum size of 800 sq ft for a detached accessory dwelling unit
- –Maximum size of 75% of the primary dwelling unit’s livable area for a detached accessory dwelling unit
Max Units
- –Single-family lots: 1 ADU per lot.
- –ADU types: 1 total ADU per lot (no separate counts by attached/detached).
- –JADU: none specified.
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –ADU parking not specified; expansion must follow general off-street parking (Sec. 5.02.01.C). STR parking rules may apply; some Neighborhood Plans impose additional formulas.
Rental Restrictions
- –Gulf Trace overlay restricts ADU rentals to family members only (short- or long-term); the main house and ADU may be rented together as a single package to one renter (nonfamily allowed only in package).
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.
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ADU rules in other Florida municipalities
Rules change at the town line. Check the municipality your property is actually in.
Walton County