Signal Heating & Air Conditioning
Verified against CSLB on · View on CSLB
License details
- License number
- 638992
- Classifications
- License term on file
- March 9, 1992 – March 31, 2028
Business
- (925) 371 0122 (CSLB public record)
- 111 LINDBERGH AVE STE C, Livermore, CA 94551Alameda County
Are you Signal Heating & Air Conditioning? Claim this listing to manage it.
Claim this listingRequest a free quote
Tell us about your project and we'll connect you with licensed, verified California contractors.
Other Warm-Air Heating, Ventilating and Air-Conditioning contractors in Livermore
Five or Free Electrical Solutions Inc
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
Mechanical Services LLC
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
Streamline Power
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
East Bay Heating & Air
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
Omni Mechanical Solutions
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
Killen Mechanical Inc
C-20 · Livermore, CA
Verified June 17, 2026 · Bonded
What to check next
Frequently asked questions
Is Signal Heating & Air Conditioning licensed in California?
Yes. Signal Heating & Air Conditioning holds an active California state contractor license (CSLB #638992), verified against the CSLB public record on June 17, 2026.
What is Signal Heating & Air Conditioning's CSLB license number?
Signal Heating & Air Conditioning's California contractor license number is 638992. 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 Signal Heating & Air Conditioning licensed for?
Signal Heating & Air Conditioning is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.
How do I verify Signal Heating & Air Conditioning's license myself?
Look up license #638992 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 #638992 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.