Accessory Structures in Jefferson Parish, LA (2026)
2 rules for unincorporated Jefferson Parish, Louisiana.
Verified from official government sources
ADU Rules
Jefferson Parish's Unified Development Code lists a secondary or accessory dwelling unit, LBCS use code 1121, as permitted by right only in the Unrestricted Suburban (U-1S) and Unrestricted Rural (U-1R) zoning districts under Table 33-3.50-1. Every other mixed-use district, OBM-1, OBM-2, TCMU, and all three Fat City (FC) districts, marks the use "X," meaning prohibited.
Jefferson Parish Limits ADUs to Two Districts
Significant RestrictionsJefferson Parish UDC Table 33-3.50-1 (Sec. 33-3.50)
Table 33-3.50-1. Authorized Land Uses for Mixed-Use Base Zoning Districts. LBCS Classification: Two family detached. LBCS Function Code: 1121. Description: Secondary or accessory dwelling unit. Columns and entries: OBM-1 §33-3.51: X | OBM-2 §33-3.52: X | TCMU §33-3.54: X | FC-1 §33-3.53: X | FC-2§33-3.53: X | FC-3 §33-3.53: X | U-1S §33-3.58: P | U-1R §33-3.59: P.
Shed & Carport Rules
Under Jefferson Parish zoning Sec. 40-743, an accessory building such as a shed may sit in a required rear or side yard but must not exceed 13 feet in height and must stay at least 3 feet from interior side and rear lot lines, with limits on rear-yard coverage.
Shed Rules in Jefferson Parish, LA
Some RestrictionsJefferson Parish Code Sec. 40-743
Any accessory building or structure permitted in a required rear or side yard shall not exceed thirteen (13) feet in height... such accessory building is not less than sixty (60) feet from the front lot line, and not less than three (3) feet from the nearest interior side lot line.
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