H & H Mechanical Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 644029
- Classifications
- License term on file
- May 6, 1992 – December 31, 2026
Business
- (626) 791 0968 (CSLB public record)
- 183 E MENDOCINO STREET, Altadena, CA 91001Los Angeles County
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What to check next
Frequently asked questions
Is H & H Mechanical Inc licensed in California?
Yes. H & H Mechanical Inc holds an active California state contractor license (CSLB #644029), verified against the CSLB public record on June 17, 2026.
What is H & H Mechanical Inc's CSLB license number?
H & H Mechanical Inc's California contractor license number is 644029. 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 H & H Mechanical Inc licensed for?
H & H Mechanical Inc is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) and Boiler, Hot-Water Heating and Steam Fitting (C-4) by the CSLB.
How do I verify H & H Mechanical Inc's license myself?
Look up license #644029 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 #644029 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.