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Doña Ana County, NM Building Safety: Electrical Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Electrical code adopted
2020 NEC (National Electrical Code)
General rule
Electrical permit requires a building permit
Standalone permit exception
Service changes, small accessory buildings <=120 sq ft
Enforcing office
Building Services Department
Unpermitted-work penalty
Triple the original permit fee
Applies to
Unincorporated Doña Ana County only

Summary

Doña Ana County ties electrical permits to the 2020 National Electrical Code and generally bars issuing one without a validly issued building permit, with narrow exceptions for service changes, retrofits and small accessory buildings.

These county ordinances apply to unincorporated areas of Doña Ana County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

§ 142-5. Issuance of plumbing, mechanical, and electrical permits. A. No permit for plumbing, mechanical, or electrical work shall be issued unless in conjunction with a validly issued building permit, or in conjunction with an existing remodel not requiring a building permit... B. A permit for plumbing, mechanical, and/or electrical work may be issued without a building permit or mobile home installation permit when the work is limited to: (1) A service change for an existing building or mobile home... (7) An accessory building with an area of 120 square feet or less.

Full Breakdown

Under § 142-2, the Board adopted the 2020 NEC National Electrical Code as part of Chapter 142, layered with the New Mexico Electrical Code (NMAC 14.10.4) and New Mexico Electrical Safety Code (NMAC 14.10.5) referenced in § 142-3. § 142-5.A bars issuing an electrical permit unless it accompanies a validly issued building permit, or an existing remodel that doesn't itself require a building permit; electrical permits for new construction cannot issue without a valid building permit or mobile home installation permit. § 142-5.B lists the specific situations where the County will issue an electrical permit standalone: a service change for an existing building or mobile home, agricultural irrigation or well service only (with no other buildings attached), a remodel where only electrical work is needed, gas yard lines and gas tests for existing services, an irrigation system for an existing home's landscaping, retrofits such as upgrading evaporative cooling to refrigerated cooling, and an accessory building of 120 square feet or less. § 142-3 confirms Construction Industries Division rules under NMAC 14.5.2 (Permits) and 14.5.3 (Inspections) apply on top of the adopted electrical code. Fees are set under Chapter 179, Article VI per § 142-7, with valuation based on the ICC Building Safety Journal tables.

Violations & Fines

Performing electrical work without the required permit is enforceable under § 142-9, the Building Services Department's general enforcement authority, punishable under Chapter 1's general penalty at § 1-20 alongside any remedial action available under the adopted codes. § 179-19 adds a $45/hour investigation fee (one-hour minimum) for work begun without a permit, and triples the eventual permit fee as a penalty once the unpermitted work is discovered and a permit is required.

Frequently Asked Questions

Do I need a building permit to get an electrical permit in Doña Ana County?
Generally yes. § 142-5.A ties electrical permits to a validly issued building permit or mobile home installation permit for new construction, though § 142-5.B lists exceptions like service changes and small remodels.
Can I get a standalone electrical permit for a small shed?
Yes, if the accessory building is 120 square feet or less, § 142-5.B(7) allows an electrical permit without a separate building permit.
What electrical code does the county enforce?
The 2020 National Electrical Code, adopted at § 142-2, along with the New Mexico Electrical Code and New Mexico Electrical Safety Code amendments referenced in § 142-3.

Sources & Official References

Other rules in Doña Ana County

All Doña Ana County rules

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