ADUs are allowed in Unincorporated St. CharlesTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated St. Charles, LA
Is your property eligible for an ADU?
# of Parcels
40,403
Zoning districts
22
Avg Parcel Value
$205,584
Zoning Districts:
40,725 parcels · 22 districts
R1A
47%(19,186)
W
16%(6,544)
R1AM
13%(5,365)
OL
6%(2,431)
Other
18%(7,199)
ADU Rules
What can you build in Unincorporated St. Charles, LA?
Unincorporated St. Charles, LA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Special Permit
- –Detached ADU: Special Permit
Interior / Attached ADU Size Limits
- –Maximum size of 1,200 sq ft for an internal/attached accessory dwelling unit.
- –Maximum size of 50% of the primary dwelling’s floor area for an internal/attached accessory dwelling unit.
Detached ADU Size Limits
- –Maximum size of 1,200 sq ft for a detached accessory dwelling unit.
- –Maximum size of 50% of the primary dwelling’s floor area for a detached accessory dwelling unit.
Max Units
- –1 ADU per lot
Owner Occupancy
- –Owner must occupy the primary dwelling unit.
Parking
- –1 off-street space per ADU (in addition to underlying zoning); same-lot off-street parking required; stacked parking may be allowed; no ADU-specific reductions or waivers parish-wide.
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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