Accessory Structures in Las Cruces, NM (2026)
5 verified accessory structures rules for Las Cruces, New Mexico, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Las Cruces allows accessory dwelling units and casitas by right in all residential zones under the Realize Las Cruces Development Code adopted February 18, 2025. A building permit is required to build one.
Las Cruces ADU and Casita Rules
Some RestrictionsCity of Las Cruces, Realize Las Cruces Development Code (adopted Feb. 18, 2025)
Multi-family units and accessory dwelling units (ADUs) by right in all residential zones
Shed Rules
In Las Cruces, a one-story detached storage shed of 120 square feet or less needs no building permit. Larger sheds require a permit, and every shed must meet zoning setbacks.
Las Cruces Shed Permit and Setback Rules
Some RestrictionsNew Mexico Administrative Code Sec. 14.5.2.9 (work exempt from a building permit)
One-story detached accessory structures not used for habitation and used as tool or storage sheds, playhouses or similar uses, provided the floor area does not exceed 120 square feet (11.15 m2).
Garage Conversions
Converting a garage into living space in Las Cruces requires a building permit and full residential code compliance - egress windows, insulation, alarms, and heating must all be addressed.
Las Cruces Garage Conversion Rules
Some RestrictionsCarport Rules
Carports in Las Cruces require a building permit and must meet the zoning setbacks for their district. Structures must be anchored to resist wind and cannot block drainage or easements.
Las Cruces Carport Rules
Some RestrictionsTiny Homes
A tiny home on a permanent foundation is treated as a dwelling or casita in Las Cruces and must meet the building code. Tiny homes on wheels are RVs and cannot be permanent residences on residential lots.