Blackline Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 783873
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- September 1, 2000 – September 30, 2026
Business
- (415) 412 2370 (CSLB public record)
- PO BOX 411103, San Francisco, CA 94141San Francisco County
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Frequently asked questions
Is Blackline Construction licensed in California?
Yes. Blackline Construction holds an active California state contractor license (CSLB #783873), verified against the CSLB public record on June 17, 2026.
What is Blackline Construction's CSLB license number?
Blackline Construction's California contractor license number is 783873. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=783873
What kind of work is Blackline Construction licensed for?
Blackline Construction is classified under General Building (B) by the CSLB.
How do I verify Blackline Construction's license myself?
Look up license #783873 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=783873. 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.