ADUs are allowed in Unincorporated LafayetteTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Lafayette, LA
Is your property eligible for an ADU?
# of Properties
33,669
Owner-occupied
55%
Zoning districts
28
Avg Home Value
$16,077
Median Lot Size
0.45 acres
Avg Income
$90,195
Residential Types:
33,669 housing units
Residential
100%
Zoning Districts:
1,202 parcels · 28 districts
RS-1
49%(583)
R1
14%(174)
NZ
12%(140)
LI
5%(66)
Other
20%(239)
ADU Rules
What can you build in Unincorporated Lafayette, LA?
Unincorporated Lafayette, 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 living area is the greater of 25% of the principal dwelling’s gross floor area or 800 sq ft.
Detached ADU Size Limits
- –Maximum ADU living area is the greater of 25% of the principal dwelling’s gross floor area or 800 sq ft.
Max Units
- –1 accessory apartment per lot
Owner Occupancy
- –No owner-occupancy requirement
Parking
- –No numeric ADU parking requirement; ADU section has no standard; Downtown: no minimum parking for buildings five or fewer stories; head-in/back-out exemptions do not apply to accessory apartments
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 Louisiana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Lafayette County