California contractor license
ATR MECHANICAL SOLUTIONS
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
- C38 Refrigeration
- C-4 Boiler, Hot Water Heating And Steam Fitting
ATR MECHANICAL SOLUTIONS is a contractor with 4 license classifications, including C20 Warm-Air Heating, Ventilating And Air-Conditioning and C36 Plumbing, in Poway, San Diego County, licensed in California for 5 years (since 2021). As of May 21, 2026, the license is active with an expiration date of Jun 30, 2027 on record and a license bond is on file.
ATR MECHANICAL SOLUTIONSC20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · C38 Refrigeration · C-4 Boiler, Hot Water Heating And Steam Fitting · checked May 21, 2026
ActiveLicense number#1077498
Licensed sinceJun 28, 2021
Years licensed5 years
Expiration on recordJun 30, 2027
City and countyPoway, San Diego 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 May 21, 2026.