New Mexico

By Mario Bailey · Last checked 23 Oct 2026

In New Mexico, both counties and cities we checked agree: they require a water heater permit for every job.

Always required

2

of 2 jurisdictions

Conditional

0

depends on size or scope

Not required

0

exempt outright

Water Heater Permit rules nationwide, beyond New Mexico.

Requirements and size thresholds for water heater permits vary by locality. The table below compares what each New Mexico county or city requires. Always confirm with the local office before starting.

Comparing states? See water heater permit rules across every locality we cover.

The application steps and inspection sequence for water heater permits come from the model code rather than from New Mexico law, so they read the same wherever you build. We keep that walkthrough in one place: how a water heater permit application and its inspections work, start to finish. What changes between New Mexico jurisdictions is below: who requires a permit, what they charge, and which office you file with.