ADUs are allowed in Unincorporated HernandoTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Hernando, FL
Is your property eligible for an ADU?
# of Properties
72,425
Owner-occupied
78%
Zoning districts
58
Avg Home Value
$304,775
Median Lot Size
0.30 acres
Avg Income
$73,719
Residential Types:
72,425 housing units
Single Family
97%
Other
3%
Zoning Districts:
114,402 parcels · 58 districts
PDP(SF
46%(52,624)
R1C
17%(19,856)
AG
9%(10,854)
R1A
5%(5,878)
Other
22%(25,190)
ADU Rules
What can you build in Unincorporated Hernando, FL?
Unincorporated Hernando, 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: Not permitted
Interior / Attached ADU Size Limits
- –Maximum size of 50% of the gross habitable floor area of the primary dwelling
Owner Occupancy
- –Owner must occupy the principal single-family home.
Parking
- –2 spaces/ADU; no max; general parking rules apply; driveway may count as one space for single-family/two-family; shared parking and administrative reductions may be approved based on a parking study
Rental Restrictions
- –Attached/internal ADU rental prohibited; must be used as living quarters for the owner-occupant's non-paying guests; lodging or boarding houses require a special exception.
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.
Hernando County