Spokane HVAC License: Gas Heating Mechanic and Boiler Operator Requirements

Spokane runs its own municipal trade licensing program that operates independently from Washington's state-level L&I system. Holding a valid 06A specialty electrical certificate and an active contractor registration doesn't exempt you from Spokane's local requirements — you need a separate city-issued license to perform gas heating, gas piping, or boiler work within Spokane city limits.

Gas Heating Mechanic License

Spokane's Development Services Center issues two tiers of gas heating mechanic licenses under Spokane Municipal Code Section 17G.010.200. Both cover work on gas-fired equipment downstream of the meter — furnaces, boilers, water heaters, gas piping, and venting systems.

Class I Gas Heating Mechanic: This is the entry-level license. There's no minimum experience requirement to apply, which makes it the starting point for technicians who already hold their state electrical credentials but haven't worked in gas systems before. You need to pass a written code exam administered by the city.

Class II Gas Heating Mechanic: This is the advanced license. You must already hold an active Class I card before you can apply. The Class II exam covers more complex gas systems including commercial boiler installations and multi-appliance venting configurations.

Fees

The current Spokane development fee schedule sets the application and exam fee at $114.00. Once you pass, the annual license fee is $57.00, paid to the Development Services Center.

The December 31 Deadline

Every Spokane gas heating mechanic license expires on December 31, regardless of when you first obtained it. If you miss the December 31 renewal but catch it before March 31, you can still reinstate the license. After March 31, the license is fully cancelled — you'll have to sit for the examination again from scratch.

This is a harder deadline than most technicians expect. There's no renewal notice from the city, and there's no online portal that sends automated reminders. Set your own calendar reminder in mid-November to avoid the retake.

Boiler Operator License

Spokane also requires a separate boiler operator license for technicians who operate or maintain boilers above a certain capacity threshold. The application and testing process mirrors the gas heating mechanic pathway — apply through the Development Services Center, pass the written exam, and renew annually by December 31.

The boiler operator license is relevant for HVAC technicians who service commercial properties with hydronic heating systems, steam boilers, or industrial process heat. If you're strictly doing residential forced-air work, the gas heating mechanic license covers your scope.

What About Nearby Cities?

Spokane's licensing program doesn't extend to surrounding areas. If you're pulling permits in Spokane Valley, Liberty Lake, or other Spokane County jurisdictions, check directly with those permitting offices — some enforce their own local requirements, while others defer to state L&I credentials alone.

Other Washington cities with their own gas-related licensing programs include Pullman (requires completion of an approved Inland Northwest HVAC Association gas course plus six months of notarized experience) and Kennewick (requires a city-specific written exam with a 75% minimum passing score). Each program operates independently.

How Spokane Licensing Fits the Bigger Picture

The Spokane municipal license sits on top of your state credentials, not instead of them. Before you even apply at the Development Services Center, you need an active L&I contractor registration ($15,000 specialty contractor bond, $250,000 general liability insurance, $150.20 registration fee) and the appropriate specialty electrical certificate (06A or 06B) for any work involving electrical connections to HVAC equipment.

The Washington HVAC License Guide maps out the full compliance stack — from federal EPA 608 certification through state L&I registration to municipal licensing in Seattle, Spokane, and smaller jurisdictions — so you can see exactly where each credential sits in the sequence and what to apply for first.

See more Washington guides →