Socorro County, NM - 2026 Building Permit Guide

Permit Authority

San Antonio, NM is a small unincorporated community (not an incorporated municipality) located in the Rio Grande valley in southern Socorro County, approximately 10 miles south of Socorro on NM Route 1 and near U.S. Route 380. It is nearest to Bosque del Apache National Wildlife Refuge. San Antonio has no independent municipal government. All building permit authority rests with NM CID.

Department

New Mexico Construction Industries Division (CID) -- Albuquerque District Office

Address

5500 San Antonio Dr. NE, Suite A, Albuquerque, NM 87109

Phone

(505) 841-9050

Email

cid@rld.nm.gov

Website

https://www.rld.nm.gov/construction-industries/

Online Permit Portal

Application Process

1. Verify that the property is located in the unincorporated area of Socorro County and is not on federal land, tribal land, or within incorporated limits.
2. Obtain the NM CID Building Permit Application form from https://www.rld.nm.gov/construction-industries/forms-and-applications/ or from the Albuquerque District Office.
3. For owner-builder projects: obtain and complete the CID Homeowner Permit Application (must be notarized). The homeowner must certify that the structure will be used as their primary residence and that they will not sell the property within 12 months of permit issuance without first disclosing the homeowner-permitted work.
4. Prepare required documents: completed application, legal description of property or assessor's parcel number (APN), site plan drawn to scale showing lot boundaries, proposed structure footprint, setbacks, utility connections, and access road, construction drawings including floor plan, elevations, and structural details, energy compliance documentation (IECC/NM amendments), and contractor NM CID license numbers.
5. Submit application with required documents to CID online through the CID Online Permit System or in person at the Albuquerque District Office. Pay the applicable permit fee at time of application.
6. CID reviews application for completeness and code compliance. If corrections are required, CID issues a correction notice and applicant must respond.
7. Upon approval, CID issues the permit. Post the permit card conspicuously at the job site before work begins.
8. Schedule required inspections by contacting CID Albuquerque at (505) 841-9050 or through the online system.
9. Request final inspection upon project completion. CID issues a Certificate of Completion or Certificate of Occupancy following satisfactory final inspection.

Typical processing time: 5-10 business days for straightforward residential applications; 15-30 business days for larger commercial or complex projects. Contact Albuquerque District Office for current processing times.

Source: New Mexico Construction Industries Division (CID) -- Albuquerque District Office

General Requirements

Identical to unincorporated Socorro County: permits required for all new construction, additions and alterations affecting structural elements, egress, or systems, demolition, manufactured/mobile homes on foundations, swimming pools, retaining walls, fences, accessory structures, and all electrical, plumbing, and mechanical installations.

Required Documents

• Completed CID building permit application
• Legal description of property or assessor's parcel number (APN)
• Site plan drawn to scale showing lot boundaries, proposed structure footprint, setbacks, utility connections, and access road
• Construction drawings including floor plan, elevations, sections, and structural details
• Energy compliance documentation (IECC/NM amendments)
• Contractor NM CID license numbers
• For owner-builder: notarized CID Homeowner Permit Application

Permit validity

Permits expire if work does not commence within 180 days of issuance, or if work is suspended or abandoned for 180 days. A single renewal (extension) may be requested from CID. Expired permits require a new application and fee.

Building code

2021 International Residential Code (IRC) with NM amendments (effective July 30, 2024); 2021 International Building Code (IBC) with NM amendments; 2020 National Electrical Code (NEC); 2021 International Mechanical Code (IMC); 2021 International Plumbing Code (IPC); NM Earthen Materials Building Code; 2021 International Energy Conservation Code (IECC).

Owner-builder

Owner-builder permitted under 14.5.2.18 NMAC for single-family residences or duplexes used as owner's primary residence. One permit per 12-month period. Notarized CID Homeowner Permit Application required. All trade work must still be performed by appropriately licensed NM contractors. If property is sold or transferred within 12 months, disclosure of homeowner-permitted work is required.

Contractor requirements

All general contracting work requires NM CID license: GB-2 for residential (1-4 family dwellings), GB-98 for commercial. Specialty trades (electrical, plumbing, HVAC/mechanical) require separate state trade licenses. All contractors must carry Workers Compensation insurance and a $10,000 surety bond.

Fees

Minimum permit fee

$30

Plan check fee

Plan check included in permit fee for most residential projects. Separate plan review fee may apply for commercial projects over CID threshold; contact CID for details.

Permit fee formula

Identical to unincorporated Socorro County. Tiered valuation schedule: Up to $1,000 = $30 minimum; $1,001-$25,000 = $30 plus $3.50 per $1,000 above $1,000; $25,001-$50,000 = approximately $107 plus $3.00 per $1,000 above $25,000; $50,001-$100,000 = approximately $182 plus $2.50 per $1,000 above $50,000; $100,001-$500,000 = approximately $307 plus $1.50 per $1,000 above $100,000; Over $500,000 = approximately $907 plus $1.00 per $1,000 above $500,000. Verify current rates directly with CID.

Trade permit fee

Separate fees for electrical, plumbing, and mechanical permits. Typical ranges: $30-$150 for residential trade work; commercial assessed by valuation or scope. See CID fee schedule for specifics.

Reinspection fee

Fee applies when work is not ready for inspection at scheduled time. Contact CID Albuquerque at (505) 841-9050 for current fee.

Payment note

Accepted payment methods: credit card (online portal), check payable to NM RLD, or money order. Cash generally not accepted by CID.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Minor repairs that do not affect structural integrity, life safety, or building systems
• Painting and decorating
• Floor covering installation
• Cabinet installation (non-structural, not affecting electrical or plumbing)
• Replacement of like-for-like fixtures without relocation
• Prefabricated swimming pools less than 24 inches in depth
• Swings and playground equipment not attached to a building
• Window awnings supported by exterior walls

Important: Always confirm with CID whether a specific scope of work requires a permit. Agricultural exemptions particularly relevant for San Antonio area: structures used exclusively for agricultural purposes on agricultural land (barns, grain storage, corrals, equipment sheds not used as residences) may be exempt from CID permitting. Confirm with CID and/or NM Department of Agriculture.

Inspections

How to Schedule

• CID Albuquerque District Office: (505) 841-9050 (phone)
• CID Online Permit System (if permit submitted online) (online)

Scheduling deadline

Requests should be made at least 48 to 72 hours in advance.

Inspection hours

Business hours; contact (505) 841-9050 for current inspector availability.

Time windows

Varies based on inspector travel from Albuquerque. San Antonio is in southern Socorro County; plan for consolidated inspection days when possible.

Typical inspection sequence: Standard IBC/IRC sequence: (1) Foundation/footing inspection (after excavation and form placement, before concrete pour); (2) Slab or under-slab inspection (before slab pour, including plumbing rough-in); (3) Framing inspection (after rough framing, sheathing, roof, blocking, fire-stopping, and rough-in of MEP systems, before wall covering or insulation); (4) Insulation inspection (after insulation installation, before covering); (5) Drywall/sheathing inspection (if required); (6) Final inspection (all work complete including MEP finals, trim, fixtures, appliances, finishes, site grading, and drainage). Trade inspections are scheduled independently with CID.

Remote video inspections may be available for certain inspection types; contact CID for current policy.

Additional Resources

• Building code: 2021 International Residential Code (IRC) with NM amendments (effective July 30, 2024); 2021 International Building Code (IBC) with NM amendments; 2020 National Electrical Code (NEC); 2021 International Mechanical Code (IMC); 2021 International Plumbing Code (IPC); NM Earthen Materials Building Code; 2021 International Energy Conservation Code (IECC).
• Verify contractor license: NM License Lookup Tool
• Bosque del Apache National Wildlife Refuge
• Socorro County Floodplain Administrator
• FEMA Flood Map Service Center
• NM State Historic Preservation Office (SHPO)
• NM Office of the State Engineer (Water Rights)
• License lookup guide: New Mexico Contractor License Requirements
• Contract template: New Mexico Homeowner-Contractor Agreement
• New Mexico hub: New Mexico Contractor License & Permit Hub

Frequently Asked Questions

Socorro County Building Permit FAQ

Do I need a building permit in unincorporated Socorro County, NM?

Identical to unincorporated Socorro County: permits required for all new construction, additions and alterations affecting structural elements, egress, or systems, demolition, manufactured/mobile homes on foundations, swimming pools, retaining walls, fences, accessory structures, and all electrical, plumbing, and mechanical installations.

How much does a building permit cost in unincorporated Socorro County, NM?

The minimum permit fee is $30. Fees are calculated as: Identical to unincorporated Socorro County. Tiered valuation schedule: Up to $1,000 = $30 minimum; $1,001-$25,000 = $30 plus $3.50 per $1,000 above $1,000; $25,001-$50,000 = approximately $107 plus $3.00 per $1,000 above $25,000; $50,001-$100,000 = approximately $182 plus $2.50 per $1,000 above $50,000; $100,001-$500,000 = approximately $307 plus $1.50 per $1,000 above $100,000; Over $500,000 = approximately $907 plus $1.00 per $1,000 above $500,000. Verify current rates directly with CID.. Plan check fee: Plan check included in permit fee for most residential projects. Separate plan review fee may apply for commercial projects over CID threshold; contact CID for details..

How do I apply for a building permit in unincorporated Socorro County, NM?

1. Verify that the property is located in the unincorporated area of Socorro County and is not on federal land, tribal land, or within incorporated limits. 2. Obtain the NM CID Building Permit Application form from https://www.rld.nm.gov/construction-industries/forms-and-applications/ or from the Albuquerque District Office. 3. For owner-builder projects: obtain and complete the CID Homeowner Permit Application (must be notarized). The homeowner must certify that the structure will be used as their primary residence and that they will not sell the property within 12 months of permit issuance without first disclosing the homeowner-permitted work. 4. Prepare required documents: completed application, legal description of property or assessor's parcel number (APN), site plan drawn to scale showing lot boundaries, proposed structure footprint, setbacks, utility connections, and access road, construction drawings including floor plan, elevations, and structural details, energy compliance documentation (IECC/NM amendments), and contractor NM CID license numbers. 5. Submit application with required documents to CID online through the CID Online Permit System or in person at the Albuquerque District Office. Pay the applicable permit fee at time of application. 6. CID reviews application for completeness and code compliance. If corrections are required, CID issues a correction notice and applicant must respond. 7. Upon approval, CID issues the permit. Post the permit card conspicuously at the job site before work begins. 8. Schedule required inspections by contacting CID Albuquerque at (505) 841-9050 or through the online system. 9. Request final inspection upon project completion. CID issues a Certificate of Completion or Certificate of Occupancy following satisfactory final inspection.

How long does it take to get a building permit in unincorporated Socorro County, NM?

Typical processing time is 5-10 business days for straightforward residential applications; 15-30 business days for larger commercial or complex projects. Contact Albuquerque District Office for current processing times..

What work is exempt from building permits in unincorporated Socorro County, NM?

The following work is generally exempt: Minor repairs that do not affect structural integrity, life safety, or building systems; Painting and decorating; Floor covering installation; Cabinet installation (non-structural, not affecting electrical or plumbing); Replacement of like-for-like fixtures without relocation; Prefabricated swimming pools less than 24 inches in depth; Swings and playground equipment not attached to a building; Window awnings supported by exterior walls. Note: Always confirm with CID whether a specific scope of work requires a permit. Agricultural exemptions particularly relevant for San Antonio area: structures used exclusively for agricultural purposes on agricultural land (barns, grain storage, corrals, equipment sheds not used as residences) may be exempt from CID permitting. Confirm with CID and/or NM Department of Agriculture.

How do I schedule a building inspection in unincorporated Socorro County, NM?

Inspections can be scheduled via: CID Albuquerque District Office: (505) 841-9050, CID Online Permit System (if permit submitted online). Requests should be made at least 48 to 72 hours in advance..