Accessory Structures in Sandoval County, NM (2026)
2 rules for unincorporated Sandoval County, New Mexico.
Verified from official government sources
ADU Rules
Sandoval County's zoning code allows one detached, kitchen-free Guest House per lot as a by-right accessory dwelling in the RRA District, plus an attached In-Law Quarters with its own kitchen, both permitted without a conditional-use hearing so long as the county's Environment Department liquid-waste requirements are met first.
Sandoval County Guest House & In-Law Quarters
Light RestrictionsSandoval County Zoning Ordinance §§ 6(B)(35), 6(B)(40), 9(1)(B)(2), 9(1)(B)(10)
Permissive Uses. Any of the following uses are allowed in this zone district: 1.One singular dwelling unit per lot;2.One Guest House per lot, provided that:a.All applicable requirements of the New Mexico Environment Department are met prior to construction of a Guest House.b.All other applicable requirements of this Ordinance are met.3.Accessory uses and structures;4.Agricultural activities, in...
Shed & Carport Rules
Sandoval County limits detached sheds and accessory buildings to fifteen feet in height and to twenty-five percent of the yard area behind the main house under Section 14.C. Buildings outside the rear half of the lot must meet the same setbacks required for the house itself.
Sandoval County Rules for Sheds, Accessory Buildings
Some RestrictionsSandoval County Comprehensive Zoning Ordinance § 14.C
C.Detached Accessory Buildings. In all residential districts, detached accessory buildings shall conform to the following restrictions concerning their locations on a lot.1.Any detached accessory building not in the rear one-half (½) of the lot shall maintain such yards as are required for a dwelling unit on the same lot....3.No building which is accessory to any residential building shall be e...
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