

ADUs are allowed in Unincorporated MarionTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Marion, FL
Is your property eligible for an ADU?
# of Properties
219,896
Owner-occupied
50%
Zoning districts
54
Avg Home Value
$160,107
Median Lot Size
0.26 acres
Avg Income
$65,714
Residential Types:
219,896 housing units
Single Family
99%
Other
1%
Zoning Districts:
257,407 parcels · 54 districts
R-1
44%(113,312)
PUD
17%(44,055)
A-1
16%(40,828)
R-4
13%(34,690)
Other
10%(24,522)
ADU Rules
What can you build in Unincorporated Marion, FL?
Unincorporated Marion, 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
- –The in-home apartment must be smaller than the primary dwelling; maximum area cannot exceed the size of the primary dwelling.
Detached ADU Size Limits
- –Maximum size must be smaller than the primary structure.
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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Learn the key rules and size limits for ADUs
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ADU rules in other Florida municipalities
Rules change at the town line. Check the municipality your property is actually in.
Marion County
Browse addresses by ZIP in Unincorporated Marion
3448120,101 addresses3449118,414 addresses3447317,309 addresses3447616,701 addresses3447215,999 addresses3448211,256 addresses344809,111 addresses344328,669 addresses321347,209 addresses321796,481 addresses344206,131 addresses344885,654 addresses344795,458 addresses321625,410 addresses344314,926 addresses321133,774 addresses344742,831 addresses344752,515 addresses344712,337 addresses326862,232 addresses327841,923 addresses326171,918 addresses321951,540 addresses344701,405 addresses326671,052 addresses