

ADUs are allowed in OpelikaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Opelika, AL
Is your property eligible for an ADU?
# of Parcels
15,718
Zoning districts
29
Avg Parcel Value
$320,545
Zoning Districts:
15,625 parcels · 29 districts
PUD
22%(3,477)
R3
20%(3,096)
R2
19%(2,904)
R4
9%(1,404)
Other
30%(4,744)
ADU Rules
What can you build in Opelika, AL?
Opelika, 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
- –Maximum size is 40% of the principal dwelling’s square footage.
Detached ADU Size Limits
- –Maximum detached accessory dwelling unit size is 40% of the principal dwelling’s floor area.
Max Units
- –1 ADU per lot (single-family detached). Duplex/multifamily: none specified. JADUs: none specified.
Owner Occupancy
- –One dwelling must be owner-occupied.
Parking
- –2 spaces per ADU; no max; follows general residential 2-space standard citywide; CBD exempts only nonresidential.
Rental Restrictions
- –Ancillary dwelling units are prohibited from use as rental property.
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.
Lee County