

ADUs are allowed in Atlantic BeachTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Atlantic Beach, FL
Is your property eligible for an ADU?
# of Properties
5,514
Owner-occupied
74%
Zoning districts
17
Avg Home Value
$829,864
Median Lot Size
0.15 acres
Avg Income
$143,649
Residential Types:
5,514 housing units
Single Family
86%
Apts (4+ units)
2%
Other
12%
Zoning Districts:
6,025 parcels · 17 districts
RS-2
25%(1,497)
RG-M
21%(1,242)
RS-1
16%(954)
RG
14%(863)
Other
24%(1,469)
ADU Rules
What can you build in Atlantic Beach, FL?
Atlantic Beach, FL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: By Right
Detached ADU Size Limits
- –Maximum ADU size is 75% of the principal dwelling’s gross floor area.
Max Units
- –1 per qualifying lot (garage apartment)
Parking
- –2 spaces per dwelling unit (including ADUs); no max; tandem parking allowed on residential lots; parking must be on the same property; reductions not allowed; excess parking may not exceed the greater of 10 spaces or 10%.
Rental Restrictions
- –Short-term rentals (<90 days) prohibited citywide; minimum 90-day lease term applies to ADUs (including garage apartments).
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.
Duval County