Public CSLB records

Calex Builders, B General Building Contractor in Redwood City, CA

License #678003·Sole Owner·Redwood City, San Mateo County
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Summary

Calex Builders operating as a sole owner holds an active California contractor license (CSLB #678003), valid through Mar 31, 2027. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Redwood City, in San Mateo County, California.

Business Information
Address
31 Burbank Avenue
Redwood City, CA 94063
License Details & Classifications
License Number
678003
Issued
Sep 28, 1993
Status
CLEAR
Expires
Mar 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
101047497
Effective
Mar 17, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9264472
Effective
Nov 19, 2019
Expires
Nov 19, 2026
Cancelled
May 1, 2026
Alert

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

  • Workers' comp cancelled
License StatusActive
Contractor BondOn file
Workers' CompensationInactive

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

Frequently asked questions
Is Calex Builders licensed in California?

Yes. Calex Builders holds California Contractors State License Board license number 678003, which is active and in good standing. The license was first issued on September 28, 1993. It is valid through March 31, 2027.

What does Calex Builders specialize in?

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

Where is Calex Builders headquartered?

Calex Builders is headquartered at 31 Burbank Avenue, Redwood City, CA 94063, in San Mateo County, California.

Does Calex Builders have an active surety bond on file with CSLB?

Yes. Calex Builders has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Calex Builders carry workers' compensation coverage?

Calex Builders has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.

How do I verify Calex Builders's contractor license?

You can verify Calex Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=678003.

Activity Timeline
  1. License issuedSep 28, 1993
  2. WC coverage startsNov 19, 2019
  3. Bond activeMar 17, 2026
  4. WC cancelledMay 1, 2026
  5. WC expiresNov 19, 2026
  6. License expiresMar 31, 2027
Other contractors in San Mateo County
California lien & payment resources

Working a California job with Calex Builders, 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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