ADU rules for Callahan
Accessory Dwelling Unit (ADU) Rules for Callahan, FL
Is your property eligible for an ADU?
# of Properties
445
Owner-occupied
70%
Zoning districts
9
Avg Home Value
$264,903
Median Lot Size
0.22 acres
Avg Income
$67,666
Residential Types:
445 housing units
Single Family
96%
Apts (4+ units)
4%
Other
1%
Zoning Districts:
712 parcels · 9 districts
RLD
60%(430)
CH
14%(98)
MU
9%(65)
CG
6%(44)
Other
11%(75)
ADU Rules
What can you build in Callahan, FL?
Callahan, FL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –2 spaces per dwelling unit; no max. If an ADU is a separate dwelling unit, the two-space minimum applies; parking on the same lot; paving not required for single-family.
Rental Restrictions
- –Detached ADUs may not be rented.
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.
Nassau County