Mechanical Permits

Information about mechanical permits and a link to our new permitting website.

Logo for St. Louis City permitting website

Mechanical permits are applied for, reviewed, approved, and issued through our new permitting website, stlcitypermits.com  . Walk-in permits are still available in Building Division - Mechanical Section, Room 425, City Hall, between 8:00 a.m. and 4:30 p.m. Monday through Friday. The office is closed on all City holidays.

Mechanical permits are issued to mechanical contractors who are licensed by the City of Saint Louis. When selecting your mechanical contractor, you may verify their qualifications by asking to see the contractor's City License or by calling the Mechanical Section at 314-622-3375.

A new Mechanical Ordinance , #68639 requires that all residential replacement or new heating/cooling units be installed by a mechanical contractor licensed in the City. This work also now requires a permit.

Apply for a mechanical permit online.

 

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