Public CSLB records

Mt Tam Construction, B General Building Contractor in Mill Valley, CA

License #584072·Corporation·Mill Valley, Marin County
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Summary

Mt Tam Construction operating as a corporation holds an active California contractor license (CSLB #584072), valid through Apr 30, 2028. First issued in 1990, the license has been on the CSLB roster for 36 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Mill Valley, in Marin County, California.

Business Information
Address
P O Box 1539
Mill Valley, CA 94942
License Details & Classifications
License Number
584072
Issued
Jan 3, 1990
Status
CLEAR
Expires
Apr 30, 2028
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
63471257
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9227718
Effective
Mar 10, 2018
Expires
Mar 10, 2027
Cancelled
Apr 20, 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 Mt Tam Construction licensed in California?

Yes. Mt Tam Construction holds California Contractors State License Board license number 584072, which is active and in good standing. The license was first issued on January 3, 1990. It is valid through April 30, 2028.

What does Mt Tam Construction specialize in?

Mt Tam Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Mt Tam Construction headquartered?

Mt Tam Construction is headquartered at P O Box 1539, Mill Valley, CA 94942, in Marin County, California.

Does Mt Tam Construction have an active surety bond on file with CSLB?

Yes. Mt Tam Construction has an active California contractor surety bond filed with Western Surety Company.

Does Mt Tam Construction carry workers' compensation coverage?

Mt Tam Construction has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.

How do I verify Mt Tam Construction's contractor license?

You can verify Mt Tam Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=584072.

Activity Timeline
  1. License issuedJan 3, 1990
  2. WC coverage startsMar 10, 2018
  3. Bond activeJan 1, 2023
  4. WC cancelledApr 20, 2026
  5. WC expiresMar 10, 2027
  6. License expiresApr 30, 2028
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California lien & payment resources

Working a California job with Mt Tam Construction, 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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