Altai Mechanical LLC DBA Cal State HVAC

Altai Mechanical LLC DBA Cal State HVAC is a California limited liability company based in San Mateo (San Mateo County) with contractor license #965710 (C-20), first issued in 2011. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 1 permit under this name, 1 of them home projects (remodel & repair). The latest permit is from Jun 16, 2025. The license lists a contractor bond and workers' compensation coverage.

1permit 2025–26
1home-project permit
15years licensed
Jun 16, 2025latest permit

(650) 342-5556

Business phone (CSLB)

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License

License #965710
StatusActive, no violations
ClassesC-20
Business typelimited liability company
Issued / ExpiresSep 19, 2011 / Oct 31, 2027
Contractor bondYes
Workers' compYes, on file
Based inSan Mateo, San Mateo County

Recent permits

DateWorkAreaDeclared valueStatus
Jun 16, 2025Remodel & repair94114 · Castro/Upper Market / Noe Valley$2,400Finaled

Street addresses of homeowners are never shown.

Work on permits

Remodel & repair · 1 permit

Where they work

94114 · Castro/Upper Market / Noe Valley · 1 permit

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