

ADUs are allowed in SulphurTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Sulphur, LA
Is your property eligible for an ADU?
# of Parcels
9,917
Zoning districts
7
Zoning Districts:
9,909 parcels · 7 districts
R
56%(5,517)
MR
25%(2,430)
B
12%(1,198)
NZ
6%(602)
Other
2%(162)
ADU Rules
What can you build in Sulphur, LA?
Sulphur, 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 limited to 35% of the total floor area of all structures on the lot
Detached ADU Size Limits
- –Maximum ADU size of 35% of the total floor area of all structures on the lot
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –2 spaces per ADU; no max; spaces on same lot for SF detached and up to 20-unit MF; standard 9.5'×18' spaces with 24' aisle; concrete or asphalt surface (except for SF residences and mobile/manufactured homes on individual lots).
Rental Restrictions
- –Renting to non-family members prohibited; short-term rentals prohibited.
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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Is your property eligible for an ADU?
ADU rules in other Louisiana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Calcasieu County