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ADUs are allowed in Lake Charles
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Lake Charles, LA

Is your property eligible for an ADU?

# of Parcels
36,867
Zoning districts
14
Zoning Districts:
36,863 parcels · 14 districts
RES
50%(18,491)
N
25%(9,332)
MU
10%(3,820)
B
7%(2,696)
Other
7%(2,524)

ADU Rules

What can you build in Lake Charles, LA?

Lake Charles, LA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum size of 600 sq ft for an internal or attached accessory dwelling unit

Detached ADU Size Limits

  • Maximum size of 600 sq ft in the Lakefront Downtown Development District and in Traditional Neighborhood Developments.
  • Maximum size of 40% of the principal structure’s total floor area in residential and neighborhood districts.

Max Units

  • 1 outbuilding per lot (Lakefront Downtown Development District). Ancillary/Accessory Unit ≤600 sq ft. Secondary Dwelling Unit ≤600 sq ft.

Owner Occupancy

  • Owner-occupancy not required for ADUs.

Parking

  • 1 off-street space per ADU; on-street may count in TND; may be located within 2,000 ft (5-minute walk) and accessed via alley or rear lane; citywide standards superseded by the 1-space ADU rule.

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