Accessory Structures in Louisiana (2026)

Louisiana mandates that all accessory dwelling units comply with the Louisiana State Uniform Construction Code…

Bossier City allows one detached Accessory Dwelling Unit as a Conditional Use behind a single-family home in the R-A…

Jefferson Parish's mixed-use use matrix (Table 33-3.50-1 in UDC § 33-3.50) lists the secondary or accessory dwelling…

Ascension Parish's Unified Land Development Code lets a landowner in unincorporated Ascension Parish place a secondary…

Bossier Parish's zoning code lets one free-standing accessory dwelling unit sit on an owner-occupied single-family lot…

Caddo Parish allows one accessory dwelling unit per lot, and a detached ADU must now sit five feet from any lot line…

The City-Parish Unified Development Code allows one accessory dwelling on a single-family lot in the A2 through A5, NO…

Lafayette allows one accessory apartment per lot under Sec. 89-74 of the Development Code, capping its living area at…

Lafayette's code allows one accessory apartment per lot, citywide and in the unincorporated parish, capped at 25…

Inside a Lake Charles Traditional Neighborhood Development, a secondary dwelling unit built inside the main house or in…

New Orleans permits accessory dwelling units (ADUs) in most residential districts under the Comprehensive Zoning…

Shreveport's UDC allows one accessory dwelling unit per lot under Section 6.1.O, whether attached to the main house…

Unincorporated St. Tammany Parish allows one garage apartment or guest house per lot in every residential zoning…

Terrebonne Parish Code allows one accessory dwelling unit per single-family lot within the zoned areas of Terrebonne…

In unincorporated Ascension Parish, adding a secondary family residence, such as an in-law suite for a parent or…

Bossier City allows one freestanding accessory dwelling unit per lot, but only in the rear or side yard of an existing…

An accessory dwelling unit in unincorporated Bossier Parish can only go on a lot with an existing owner-occupied…

Bossier City's Unified Development Code bars using an accessory dwelling unit as a short-term or long-term rental. UDC…

Lafayette lets a homeowner rent out an accessory apartment but not sell it off separately from the main house. Sec…

Lafayette City-Parish allows one accessory apartment per lot, capped at 25% of the main home's floor area or 800 square…

A detached tool shed, storage building or similar accessory structure in unincorporated Ascension Parish can go up…

Baton Rouge requires permits for accessory structures over 200 square feet. Structures 200 square feet or less may be…

A backyard shed or other accessory structure in Bossier City must sit outside the front and side yard except in the R-A…

A tool shed or playhouse under 200 square feet without utilities needs no building permit in unincorporated Bossier…

Sheds in unincorporated Caddo Parish top out at 18 feet under the Unified Development Code's accessory structure…

The City-Parish UDC has no carport-specific ordinance; a carport is regulated as an accessory structure under UDC…

Gretna's building permit fee schedule, § 10-37, values a storage shed at $10.00 per square foot of construction for…

Under Jefferson Parish zoning Sec. 40-743, an accessory building such as a shed may sit in a required rear or side yard…

In the City of Kenner, accessory buildings and sheds in required side or rear yards top out at thirteen feet tall, must…

Lafayette sets carport and garage setbacks by orientation under Sec. 89-81 of the Development Code: 20 feet from a…

Detached sheds and other accessory buildings in Lafayette Parish have no maximum size as long as they clear 20-foot…

Lake Charles regulates backyard sheds and other detached accessory structures through the zoning ordinance's…

A backyard shed is a detached accessory structure under the CZO. Within a required yard it may be no more than 14 feet…

Ouachita Parish exempts one-story detached accessory buildings such as tool and storage sheds and playhouses from a…

A backyard shed in Shreveport is an accessory structure the Unified Development Code lets you build without a permit…

Unincorporated St. Tammany Parish caps accessory buildings and sheds at 20 feet in height and 7.5 percent of the lot…

Within the zoned areas of Terrebonne Parish (the Houma area), Sec. 28-74(e) keeps sheds and other accessory structures…

The space above a Shreveport detached garage's parking spaces cannot include a kitchen or sleeping area under the UDC…

Garage conversions in Baton Rouge require building permits and must meet building code standards for habitable space…

Converting a garage into living space is a change of use regulated by the CZO. Converting it to a separate dwelling is…

Converting garage space into living quarters in unincorporated St. Tammany Parish falls under the parish's…

The City-Parish UDC has no separate tiny-home category. A tiny home on a permanent foundation is a single-family…

Shreveport zoning sets no minimum dwelling floor area, so a small permanent house is legal wherever single-family homes…