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Landscaping Rules in Doña Ana County, NM (2026)

2 rules for unincorporated Doña Ana County, New Mexico.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Doña Ana County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Rainwater Harvesting

Doña Ana County treats rainwater harvesting as a voluntary water-conservation best practice, not a mandate. Subdivision design guidelines at § 350-606B(4) recommend passive systems that use gravity to route stormwater into rain gardens without added tanks or pumps. Where a landscape plan is required under § 350-507, any proposed cisterns, barrels or rain gardens must be shown with dimensions.

Doña Ana County Rainwater Harvesting Rules

Light Restrictions

Doña Ana County Code § 350-606B(4)

(4) Water conservation best management practice. (a) Description. Best practice will utilize passive water harvesting to collect stormwater, which promotes water infiltration, stormwater reduction, less complex erosion control and infrastructure systems, and optimal landscaping. Utilizing harvested stormwater will provide or offset landscape water needs. (b) Method. Best practice will include p...

Native Plants

Developers in unincorporated Doña Ana County can meet landscaping requirements by preserving natural areas with at least 50% native plants, earning a 1:1 credit against the required landscape area under UDC § 350-507C(2).

Native Plant Landscape Credit, Doña Ana County

Some Restrictions

Doña Ana County Code § 350-507C(2)

(2) Preserved areas in a natural condition. (a) Consists of areas in their natural condition including post-developed sites, which have returned to their pre-developed condition, with no less than 50% native plants. (b) An area of natural condition meets the landscape area requirement at a ratio of 1:1.

All Doña Ana County ordinances

See every category we cover for Doña Ana County: parking, noise, fences, fires, animals, pools, and more.

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