California contractor license
HARDER MECHANICAL CONTRACTORS INC
- A General Engineering
- B General Building
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
- C-4 Boiler, Hot Water Heating And Steam Fitting
HARDER MECHANICAL CONTRACTORS INC is a contractor with 5 license classifications, including A General Engineering and B General Building, in Portland, licensed in California for 54 years (since 1972). As of Nov 12, 2025, the license is active with an expiration date of May 31, 2027 on record and a license bond is on file.
HARDER MECHANICAL CONTRACTORS INCA General Engineering · B General Building · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · C-4 Boiler, Hot Water Heating And Steam Fitting · checked Nov 12, 2025
ActiveLicense number#277745
Licensed sinceJul 24, 1972
Years licensed54 years
Expiration on recordMay 31, 2027
City and countyPortland
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 Nov 12, 2025.