ADUs are allowed in AlexandriaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Alexandria, LA
Is your property eligible for an ADU?
# of Properties
19,291
Owner-occupied
44%
Zoning districts
29
Avg Home Value
$107,041
Median Lot Size
0.21 acres
Avg Income
$53,706
Residential Types:
19,291 housing units
Residential Improved
100%
Zoning Districts:
22,987 parcels · 29 districts
SF-2
58%(13,437)
C-2
11%(2,515)
SF-2/MHO
9%(1,968)
SF-3/MHO
6%(1,270)
Other
17%(3,797)
ADU Rules
What can you build in Alexandria, LA?
Alexandria, LA 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 of 750 sq ft for an internal accessory dwelling unit
- –Maximum size of 40% of the principal dwelling’s square footage for an internal accessory dwelling unit
Detached ADU Size Limits
- –Maximum detached ADU size of 750 sq ft.
- –Maximum detached ADU size of 40% of the principal dwelling's square footage.
Owner Occupancy
- –Owner must occupy either the primary structure or ADU.
Parking
- –1 space/ADU on the same premises; exceptions: CBD district not required (except §4.3.2.D); residential districts allow garage space to count; planning director may modify requirements up to 20%
Rental Restrictions
- –Short-term rentals (<30 days) prohibited; occupancy must be month-to-month 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.
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Learn the key rules and size limits for ADUs