Accessory Structures in Rio Rancho, NM (2026)
3 verified accessory structures rules for Rio Rancho, New Mexico, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Rio Rancho, New Mexico, in Sandoval County, allows accessory dwelling units in residential zones, capping them at 900 square feet or 50% of the primary home's size, requiring a 7,000-square-foot minimum lot, and an extra parking space that doesn't block the two-car garage.
Rio Rancho Accessory Dwelling Unit Standards
Some RestrictionsRio Rancho City Code § 154.70(A), (A)(6)
Accessory buildings or structures, including accessory dwelling units but not to include structures for livestock or fowl, are allowed in residential zones, provided such accessory buildings or structures meet the following design standards: ... Accessory dwelling units, as defined in Article I, Section 154.03, shall not exceed 900 square feet or 50% of the primary structure, whichever is great...
Shed & Carport Rules
Front-yard carports must sit at least 10 feet back from the property line, and side-yard carports are capped at 300 to 500 square feet depending on zoning district.
Rio Rancho Carport Setback and Size Limits
Some RestrictionsRio Rancho City Code § 154.70(A)(7)
Carports shall not be located closer than 10 feet from the front property line; (b) Carports in the side yard shall meet the following criteria: 1. Carports in the R-2, R-3 and R-4 zoning districts shall not be greater than 300 square feet in size and 12 feet in height, and carports in E-1 and R-1 zoning districts shall not be greater than 500 square feet in size and 13.5 feet in height; ...
Garage Conversions
Rio Rancho prohibits converting a home's private garage to living space unless the homeowner builds a replacement garage: every dwelling unit must keep an attached or detached garage under the city's design standards.
Rio Rancho Garage Conversion Ban
Heavy RestrictionsRio Rancho City Code § 154.60(A)(3)(c)
These overhang, roof pitch and private garage requirements shall not apply to any dwelling unit, building or structure constructed or installed prior to December 23, 1999. Notwithstanding the above, conversions of preexisting or post-December 23, 1999, private garages are prohibited unless another private garage is constructed to replace the converted private garage. (4) Each single-family d...
Looking for Sandoval County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rio Rancho city rules.
Accessory Structures in Sandoval County →