Public CSLB records

Thomas Woolson, B General Building Contractor in El Segundo, CA

License #539999·Sole Owner·El Segundo, Los Angeles County
Download PDF
Owed money by Thomas Woolson? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Thomas Woolson operating as a sole owner holds California contractor license #539999, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1988, the license has been on the CSLB roster for 38 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 an exempt workers' compensation status (no employees on payroll). The business is based in El Segundo, in Los Angeles County, California.

Business Information
Address
1103 E Walnut Ave
El Segundo, CA 90245
License Details & Classifications
License Number
539999
Issued
Aug 30, 1988
Status
CLEAR
Expires
Aug 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100929755
Effective
Feb 11, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Feb 11, 2025
Expires
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 Thomas Woolson licensed in California?

Thomas Woolson previously held California Contractors State License Board license number 539999, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 30, 1988.

What does Thomas Woolson specialize in?

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

Where is Thomas Woolson headquartered?

Thomas Woolson is headquartered at 1103 E Walnut Ave, El Segundo, CA 90245, in Los Angeles County, California.

Does Thomas Woolson have an active surety bond on file with CSLB?

Yes. Thomas Woolson has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Thomas Woolson carry workers' compensation coverage?

Thomas Woolson reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Thomas Woolson's contractor license?

You can verify Thomas Woolson's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=539999.

Activity Timeline
  1. License issuedAug 30, 1988
  2. Bond activeFeb 11, 2025
  3. WC coverage startsFeb 11, 2025
  4. License expiredAug 31, 2026
Other contractors in Los Angeles County
California lien & payment resources

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

Own Thomas Woolson? Claim or correct this profile