RD's Service Contractor
Verified against CSLB on · View on CSLB
License details
- License number
- 523223
- Classifications
- License term on file
- January 23, 1988 – January 31, 2028
Business
- (925) 680 1161 (CSLB public record)
- 4406 WILLOW GLEN COURT, Concord, CA 94521Contra Costa County
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What to check next
Frequently asked questions
Is RD's Service Contractor licensed in California?
Yes. RD's Service Contractor holds an active California state contractor license (CSLB #523223), verified against the CSLB public record on June 17, 2026.
What is RD's Service Contractor's CSLB license number?
RD's Service Contractor's California contractor license number is 523223. 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 RD's Service Contractor licensed for?
RD's Service Contractor is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Masonry (C-29), and Plumbing (C-36) by the CSLB.
How do I verify RD's Service Contractor's license myself?
Look up license #523223 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 #523223 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.