Public CSLB records

Thompson Construction INC, B General Building Contractor in Healdsburg, CA

License #478076·Corporation·Healdsburg, Sonoma County
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Summary

Thompson Construction INC operating as a corporation holds an active California contractor license (CSLB #478076), valid through Oct 31, 2026. First issued in 1985, the license has been on the CSLB roster for 41 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Indemnity Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.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 Healdsburg, in Sonoma County, California.

Business Information
Address
4010 Alexander Vally Lane
Healdsburg, CA 95448
License Details & Classifications
License Number
478076
Issued
Aug 13, 1985
Status
CLEAR
Expires
Oct 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100403357
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9382508
Effective
Jun 18, 2025
Expires
Jun 18, 2026
Alert

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

  • No active workers' comp on file
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 Thompson Construction INC licensed in California?

Yes. Thompson Construction INC holds California Contractors State License Board license number 478076, which is active and in good standing. The license was first issued on August 13, 1985. It is valid through October 31, 2026.

What does Thompson Construction INC specialize in?

Thompson Construction INC is licensed for one CSLB classification: B General Building Contractor.

Where is Thompson Construction INC headquartered?

Thompson Construction INC is headquartered at 4010 Alexander Vally Lane, Healdsburg, CA 95448, in Sonoma County, California.

Does Thompson Construction INC have an active surety bond on file with CSLB?

Yes. Thompson Construction INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Thompson Construction INC carry workers' compensation coverage?

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Construction INC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.

How do I verify Thompson Construction INC's contractor license?

You can verify Thompson Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=478076.

Activity Timeline
  1. License issuedAug 13, 1985
  2. Bond activeJan 1, 2023
  3. WC coverage startsJun 18, 2025
  4. WC expiredJun 18, 2026
  5. License expiresOct 31, 2026
Other contractors in Sonoma County
California lien & payment resources

Working a California job with Thompson Construction INC, 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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