Public CSLB records

Building Lab, B General Building Contractor in Oakland, CA

License #812687·Corporation·Oakland, Alameda County
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Summary

Building Lab operating as a corporation holds California contractor license #812687, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 2002, the license has been on the CSLB roster for 24 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Financial Pacific Insurance Company and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Oakland, in Alameda County, California.

Business Information
Address
999 43rd Street
Oakland, CA 94608
License Details & Classifications
License Number
812687
Issued
Sep 16, 2002
Status
CLEAR
Expires
Sep 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Financial Pacific Insurance Company
Bond Number
55220140
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9137636
Effective
May 14, 2016
Expires
May 14, 2027
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Building Lab licensed in California?

Building Lab previously held California Contractors State License Board license number 812687, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 16, 2002.

What does Building Lab specialize in?

Building Lab is licensed for one CSLB classification: B General Building Contractor.

Where is Building Lab headquartered?

Building Lab is headquartered at 999 43rd Street, Oakland, CA 94608, in Alameda County, California.

Does Building Lab have an active surety bond on file with CSLB?

Yes. Building Lab has an active California contractor surety bond filed with Financial Pacific Insurance Company.

Does Building Lab carry workers' compensation coverage?

Yes. Building Lab carries active workers' compensation coverage through State Compensation Insurance Fund.

How do I verify Building Lab's contractor license?

You can verify Building Lab's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=812687.

Activity Timeline
  1. License issuedSep 16, 2002
  2. WC coverage startsMay 14, 2016
  3. Bond activeJan 1, 2023
  4. License expiredSep 30, 2026
  5. WC expiresMay 14, 2027
Other contractors in Alameda County
California lien & payment resources

Working a California job with Building Lab, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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