Contractor License Proof

Building Lab

Licensed

Verified against CSLB on · View on CSLB

License details

License number
812687
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Covered
License term on file
September 16, 2002 – September 30, 2026

Business

  • (510) 420 1133 (CSLB public record)
  • 999 43RD STREET, Oakland, CA 94608Alameda County

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Frequently asked questions

Is Building Lab licensed in California?

Yes. Building Lab holds an active California state contractor license (CSLB #812687), verified against the CSLB public record on June 17, 2026.

What is Building Lab's CSLB license number?

Building Lab's California contractor license number is 812687. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=812687

What kind of work is Building Lab licensed for?

Building Lab is classified under General Building (B) by the CSLB.

How do I verify Building Lab's license myself?

Look up license #812687 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=812687. 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.