California contractor license
Q4 MECHANICAL CORPORATION
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C43 Sheet Metal
Q4 MECHANICAL CORPORATION is a C20 Warm-Air Heating, Ventilating And Air-Conditioning and C43 Sheet Metal contractor in San Francisco, San Francisco County, licensed in California for 11 years (since 2015). As of Oct 17, 2025, the license is active with an expiration date of Oct 31, 2027 on record and a license bond is on file.
Q4 MECHANICAL CORPORATIONC20 Warm-Air Heating, Ventilating And Air-Conditioning · C43 Sheet Metal · checked Oct 17, 2025
ActiveLicense number#1006003
Licensed sinceJul 30, 2015
Years licensed11 years
Expiration on recordOct 31, 2027
City and countySan Francisco, San Francisco County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Oct 17, 2025.