ADUs are allowed in Longboat KeyTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Longboat Key, FL
Is your property eligible for an ADU?
# of Properties
9,486
Owner-occupied
28%
Zoning districts
34
Avg Home Value
$1,176,840
Median Lot Size
2.98 acres
Avg Income
$151,030
Residential Types:
9,486 housing units
Single Family
22%
Apts (4+ units)
36%
Other
42%
Zoning Districts:
10,203 parcels · 34 districts
R-6MX
22%(2,249)
R-3MX
18%(1,834)
MUC-1
16%(1,587)
R-4SF
10%(1,016)
Other
34%(3,517)
ADU Rules
What can you build in Longboat Key, FL?
Longboat Key, 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: Not addressed in the local bylaw
Max Units
- –0 per lot for ADUs in accessory structures; Internal/JADU: none specified
Parking
- –No ADU-specific parking rule; general schedule requires 2 spaces per dwelling unit for single- and two-family dwellings; accessory structures may not contain dwelling units.
Rental Restrictions
- –Short-term/vacation rentals for ADUs prohibited except in designated tourism zones (T-3/T-6) or where explicitly approved by the Town.
- –Detached ADUs may not be rented at all, as accessory structures may not contain dwelling units.
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.
Manatee County