ADUs are allowed in HelenaTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Helena, AL
Is your property eligible for an ADU?
# of Properties
941
Owner-occupied
79%
Zoning districts
23
Avg Home Value
$333,046
Median Lot Size
0.54 acres
Avg Income
$106,572
Residential Types:
941 housing units
Residential
100%
Zoning Districts:
9,253 parcels · 23 districts
SDPR
44%(4,079)
R-1
24%(2,220)
E-3
8%(723)
PRD
6%(551)
Other
18%(1,680)
ADU Rules
What can you build in Helena, AL?
Helena, AL 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 permitted
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –1 space per ADU; parking must be on the same lot; remote parking and on-street parking cannot satisfy off-street; shared-parking reductions generally not available for residential unless part of a mixed-use development.
Rental Restrictions
- –Detached ADU cannot be rented at all. Short-term rentals are allowed only in B1/B2/B4 zones (or by variance) with a minimum 24-hour stay and a 30-day cap per transient.
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 Alabama municipalities
Rules change at the town line. Check the municipality your property is actually in.
Shelby County