Blue Line Builder
Verified against CSLB on · View on CSLB
License details
- License number
- 673860
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- July 1, 1993 – February 29, 2028
Business
- (707) 696 4029 (CSLB public record)
- 401 MELVIN STREET, Petaluma, CA 94952Sonoma County
Are you Blue Line Builder? 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.
Frequently asked questions
Is Blue Line Builder licensed in California?
Yes. Blue Line Builder holds an active California state contractor license (CSLB #673860), verified against the CSLB public record on June 17, 2026.
What is Blue Line Builder's CSLB license number?
Blue Line Builder's California contractor license number is 673860. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=673860
What kind of work is Blue Line Builder licensed for?
Blue Line Builder is classified under General Building (B) by the CSLB.
How do I verify Blue Line Builder's license myself?
Look up license #673860 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=673860. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.