East Baton Rouge Parish, LA Accessory Structures: ADU Rules (2026)
ADU rules in East Baton Rouge Parish, LA, also called accessory dwelling unit regulations or granny flat ordinances, cover setbacks, owner-occupancy, parking, and permit requirements.
Key Facts
- Units allowed
- One per lot
- Permitted districts
- A2-A5, NO, NC
- Location
- Rear yard, 10 ft from lines
- Approval
- Conditional use permit
- Code section
- UDC 9.5.2(A)
Summary
The City-Parish Unified Development Code allows one accessory dwelling on a single-family lot in the A2 through A5, NO and NC zoning districts. It must sit in the rear yard at least ten feet from all rear and side lot lines, and a conditional use permit is required.
Accessory dwellings shall be located in rear yards at least ten feet from all rear and side lot lines and outside any required buffers. ... Only one accessory dwelling may be permitted on a lot. ... A conditional use permit shall be required to locate an accessory dwelling on any parcel.
Full Breakdown
UDC Section 9.5.2(A) governs accessory dwellings (also called garage apartments) in unincorporated East Baton Rouge Parish and the consolidated City of Baton Rouge. An accessory dwelling is a subordinate independent unit and may be permitted only on lots developed with a single-family home in the A2, A2.7, A3.1, A3.2, A3.3, A4, A5, NO and NC districts. Only one is allowed per lot. It must be located in the rear yard at least ten feet from all rear and side lot lines and outside any required buffers, and every accessory dwelling requires a conditional use permit. The cities of Baker, Zachary and Central apply their own zoning inside their limits.
Violations & Fines
Building or renting an accessory dwelling without the required conditional use permit, or outside the permitted districts, is a UDC violation enforced by the City-Parish Planning Commission / Development Services.
Frequently Asked Questions
Can I build a garage apartment in Baton Rouge?
Where must the accessory dwelling sit on my lot?
Sources & Official References
Other rules in East Baton Rouge Parish
How East Baton Rouge Parish compares: Easiest Cities to Build an ADU·Compare East Baton Rouge Parish to another location·View the Louisiana accessory structures overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.