ADUs are allowed in Unincorporated CullmanTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Cullman, AL
Is your property eligible for an ADU?
# of Properties
1
Zoning districts
16
Zoning Districts:
45,077 parcels · 16 districts
NZ
97%(43,610)
R-2
1%(661)
R-1
1%(366)
PR1
0%(137)
Other
1%(303)
ADU Rules
What can you build in Unincorporated Cullman, AL?
Unincorporated Cullman, AL 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
- –Internal/attached ADU size capped at 50% of the principal dwelling’s gross floor area
- –Internal/attached ADU size capped at 1,000 sq ft
Detached ADU Size Limits
- –Maximum size for a detached backyard cottage is 1,000 sq ft
- –Maximum size for a detached backyard cottage is 50% of the principal dwelling’s gross floor area
Max Units
- –1 ADU per single-family detached lot
- –0 ADU per duplex lot; 0 ADU per multifamily lot
- –No separate JADU limit specified
Owner Occupancy
- –Owner must reside on the premises for ADUs in the R-2 district
Parking
- –1 off-street space per ADU (in addition to required principal-dwelling spaces); a garage conversion requires meeting parking for both the principal dwelling and the ADU at the time of conversion; the reviewing authority may increase parking; spaces must be on the same lot or within 300 ft (not more than 150 ft for single-family and two-family dwellings).
Rental Restrictions
- –Short-term rentals (<30 days) prohibited; rentals must be 30 days or longer
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs