Harder Mechanical Contractors Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 277745
- Classifications
- License term on file
- July 24, 1972 – May 31, 2027
Business
- (503) 281 1112 (CSLB public record)
- P O BOX 5118, Portland, OR 97208
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What to check next
Frequently asked questions
Is Harder Mechanical Contractors Inc licensed in California?
Yes. Harder Mechanical Contractors Inc holds an active California state contractor license (CSLB #277745), verified against the CSLB public record on June 17, 2026.
What is Harder Mechanical Contractors Inc's CSLB license number?
Harder Mechanical Contractors Inc's California contractor license number is 277745. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is Harder Mechanical Contractors Inc licensed for?
Harder Mechanical Contractors Inc is classified under General Engineering (A), General Building (B), Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Plumbing (C-36), and Boiler, Hot-Water Heating and Steam Fitting (C-4) by the CSLB.
How do I verify Harder Mechanical Contractors Inc's license myself?
Look up license #277745 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #277745 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.