Timothy James Costello
Verified against CSLB on · View on CSLB
License details
- License number
- 937372
- Classifications
- License term on file
- September 2, 2009 – September 30, 2027
Business
- (661) 992 5979 (CSLB public record)
- 3757 E AVENUE T8, Palmdale, CA 93550Los Angeles County
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Frequently asked questions
Is Timothy James Costello licensed in California?
Yes. Timothy James Costello holds an active California state contractor license (CSLB #937372), verified against the CSLB public record on August 4, 2026.
What is Timothy James Costello's CSLB license number?
Timothy James Costello's California contractor license number is 937372. 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 Timothy James Costello licensed for?
Timothy James Costello is classified under General Engineering (A) by the CSLB.
How do I verify Timothy James Costello's license myself?
Look up license #937372 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 August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #937372 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.