Permitting Information

Los Alamos County Permitting Information

Business Hours 8 a.m. - 5 p.m. Monday through Friday.

The State of New Mexico Issues Permits for the Following:

Electrical, Mechanical and Plumbing Application - CID New Mexico State info about Electrical Inspections
Manufactured Housing - CID Manufactured Housing
Food Safety Program and Food Service Training -All Application Forms and Guidance from the New Mexico Environment Department

Add, Upgrade or Modify Utility Services

Information regarding additions and changes to the utility infrastructure on your property

Administrative Applications

Use this page to find permit applications that require review by the County’s Planning staff, such as those for fences, sheds, temporary uses, and other residential projects.

Apply for a Residential Building Permit

Residential building permits are for home construction or alterations projects. This includes decks, porches, fences, photovoltaic or solar, new dwelling templates, large and small accessory structures, new roof structures, new additions, siding stucco, windows and doors, and more.

Building Safety Division

Building Safety Division administers the building codes and the nuisance codes within the County and enforces quality development improvements and property maintenance standards.

Business Licenses & Registrations

Start a new business or relocated an existing business.

Fire Marshal Plan Review and Permitting

Planning and permitting are accomplished in collaboration with the Community Development Department (CDD) and the Fire Marshal’s Office.

Historic Preservation

A historic preservation advisory board advises the planning and zoning commission and county council. The board reviews any modifications made to historic sites in the county and this page has applications for modifications on structures located in a historic district.

Lemon Lots Permits

Obtain a permit to sell a used car on the Lemon Lot

Overpass Banner Permits

Obtain a permit to place banners on the Diamond Drive overpasses.

Permits - Apply and Pay Online Citizen Self-Service Portal

Apply for a building permit, renew a business license, pay invoices, request inspections, search public records, and get an estimate of a fee here.

Recreation Permits

Permits for recreation in Los Alamos County

Solar Power Installation

Utility customers interested in adding solar panels to their rooftops will find considerations, necessary steps, and permitting information here.

Traffic & Streets Permits

Traffic & Streets Permits in Los Alamos County include essential applications for roadway modifications and safety. The Curb Cut/Driveway Apron/Excavation Application is required for any work affecting curbs, driveway aprons, or street excavations, ensuring compliance with county standards. The Traffic Impedance (Barricading) permit is needed for activities that block or impede traffic.