Plumbing and HVAC rules in New Mexico

In New Mexico, a plumbing contractor holds an MM-1 Plumbing or MM-98 Mechanical license from the Construction Industries Division, and workers hold journeyman plumber certificates.^{1, 2, 3}

Heating and cooling contractors in New Mexico hold an MM-3 HVAC or MM-98 Mechanical license from the Construction Industries Division, and workers hold journeyman refrigeration or sheet metal certificates.¹

Your local building department can tell you which plumbing and mechanical codes apply where you live.

New Mexico's rules say plumbing and mechanical work may not be installed, repaired or altered without a permit from the authority that has jurisdiction. In an emergency, equipment can be replaced first, with the application due the next working day.⁴

If your home has a backflow preventer, your water utility can tell you whether it needs testing and who can test it.