ADUs are allowed in Baton RougeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Baton Rouge, LA
Is your property eligible for an ADU?
# of Parcels
103,029
Zoning districts
45
Avg Parcel Value
$22,161
Zoning Districts:
128,153 parcels · 45 districts
A1
23%(29,686)
A3.1
19%(24,545)
A2
16%(20,986)
C2
10%(12,738)
Other
31%(40,198)
ADU Rules
What can you build in Baton Rouge, LA?
Baton Rouge, 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 800 sq ft for an internal or attached ADU
Detached ADU Size Limits
- –Maximum detached ADU size: 800 sq ft in Traditional Neighborhood Developments; otherwise 1,000 sq ft (also subject to a 30% rear-yard coverage limit not modeled).
Max Units
- –1 ADU per lot; TND: ADUs ≤ 20% of total single-family attached and detached units
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –Min: 0 citywide (0 in C-5; 1/ADU in TND). Max: 125% of the applicable min (with reductions: transit 5%, structure 10%, tree-preservation up to 5%; credits for pervious paving/green infrastructure). Note: C-5 requires no off-street parking.
Rental Restrictions
- –Owner-occupied STRs require the owner's presence; non-owner-occupied STRs require a permit/license (or registered platform), capped at two persons per bedroom plus two, with one parking space per bedroom, permits lapse after one year of inactivity, and three adjudicated violations in a year terminate the use for one year.
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.
East Baton Rouge County