Unlawful activities.
Seattle Mun. Code § 6.410.020
in effect6.410.020 - Unlawful activities.
It is unlawful to do any of the following except in compliance with this chapter:
1. to engage in business as a refrigeration contractor, an air-conditioning contractor, or a refrigeration service shop; or
2. to accept employment or be employed as a journeyman refrigeration mechanic, an industrial refrigeration engineer, a refrigeration service shop mechanic, or a refrigeration operating engineer; or
3. to contract for installation, repair, alteration or servicing of any refrigeration system or equipment; or
4. to engage in the business of or be employed in installing, repairing, altering or servicing any refrigeration system or equipment; or
5. to have charge of, or operate or permit anyone to have charge of or operate any refrigeration system or equipment.
Exceptions:
1. Welders may weld on refrigeration installations and equipment without a license when they are under the direct supervision of a licensed journeyman refrigeration mechanic or licensed industrial refrigeration engineer.
2. Apprentices may engage in such work without a license as authorized by this chapter.
3. Holders of existing industrial refrigeration engineers licenses may work as industrial engineers and shall be subject to the provisions of this code.
(Ord. 122109, § 2, 2006.)
Source: City of Seattle, Seattle Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT6BURE_SUBTITLE_IVNELICO_CH6.410RESY_6.410.020UNACFetched: 11/1/2026