ADUs are allowed in AuburnTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Auburn, AL
Is your property eligible for an ADU?
# of Parcels
21,217
Zoning districts
44
Avg Parcel Value
$516,019
Zoning Districts:
21,132 parcels · 44 districts
DDH
33%(7,049)
CDD
15%(3,175)
LDD
8%(1,769)
R
6%(1,187)
Other
38%(7,952)
ADU Rules
What can you build in Auburn, AL?
Auburn, 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 the lesser of 30% of the principal residence’s floor area or 1,000 sq ft.
Detached ADU Size Limits
- –Maximum ADU size is the lesser of 30% of the principal residence floor area or 1,000 sq ft.
Max Units
- –1 ADU per lot (owner-occupied single-family detached).
- –Duplex/multifamily principal structures: none specified.
Owner Occupancy
- –Principal dwelling must be owner-occupied; ADU cannot be rented.
Parking
- –1 space/ADU; no max; exceptions: within 1/2 mile of transit stop; historic district; part of existing dwelling or existing accessory structure; on-street permits not offered to ADU occupant; publicly accessible car share within 1 block; if a garage/carport is demolished for the ADU, primary-dwelling parking need not be replaced (replacement may be tandem or mechanical lifts).
Rental Restrictions
- –Accessory dwelling units shall not be rented or used as income-producing property (applies to detached and internal/attached ADUs).
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
Is your property eligible for an ADU?
ADU rules in other Alabama municipalities
Rules change at the town line. Check the municipality your property is actually in.
Lee County