ADUs are allowed in Las CrucesTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Las Cruces, NM
Is your property eligible for an ADU?
# of Properties
23,835
Owner-occupied
77%
Zoning districts
112
Avg Home Value
$228,322
Median Lot Size
0.17 acres
Avg Income
$68,412
Residential Types:
23,835 housing units
Other
100%
Zoning Districts:
41,835 parcels · 112 districts
R-1A
44%(18,238)
PUD
19%(7,810)
R-3
6%(2,472)
R-2
6%(2,451)
Other
26%(10,864)
ADU Rules
What can you build in Las Cruces, NM?
Las Cruces, NM follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: Not permitted
Interior / Attached ADU Size Limits
- –Maximum size of 30% of the principal dwelling’s heated/cooled (habitable) floor area.
Owner Occupancy
- –Owner must reside in main or ADU for six months yearly.
Parking
- –1 off-street space/ADU; maximum not stated; citywide adjustments/credits allowed (may not reduce below 1; on-street credit up to 25%; shared/off-site; reductions capped at 35%); Downtown transects waive additional off-street parking.
Rental Restrictions
- –Detached guest dwellings may not be rented or leased. Attached ADU occupancy limited to family members; owner must reside in either unit at least six months per year.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other New Mexico municipalities
Rules change at the town line. Check the municipality your property is actually in.
Doña Ana County