Public CSLB records

Mackenzie Construction Services INC, B General Building Contractor in Port Costa, CA

License #634591·Corporation·Port Costa, Contra Costa County
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Summary

Mackenzie Construction Services INC operating as a corporation holds an active California contractor license (CSLB #634591), valid through Sep 30, 2026. First issued in 1992, the license has been on the CSLB roster for 34 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Western Surety Company and a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active. The business is based in Port Costa, in Contra Costa County, California.

Business Information
Address
Po Box 49
Port Costa, CA 94569
License Details & Classifications
License Number
634591
Issued
Jan 6, 1992
Status
CLEAR
Expires
Sep 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67329281
Effective
May 23, 2025
Status
Active
Workers' Compensation
Coverage
Leasing Firm, Temp Agency, etc
Carrier
Ace American Insurance Company
Policy Number
C73847102
Effective
Jul 1, 2025
Expires
Jul 1, 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 Mackenzie Construction Services INC licensed in California?

Yes. Mackenzie Construction Services INC holds California Contractors State License Board license number 634591, which is active and in good standing. The license was first issued on January 6, 1992. It is valid through September 30, 2026.

What does Mackenzie Construction Services INC specialize in?

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

Where is Mackenzie Construction Services INC headquartered?

Mackenzie Construction Services INC is headquartered at Po Box 49, Port Costa, CA 94569, in Contra Costa County, California.

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

Yes. Mackenzie Construction Services INC has an active California contractor surety bond filed with Western Surety Company.

Does Mackenzie Construction Services INC carry workers' compensation coverage?

Mackenzie Construction Services INC has a previously-filed workers' compensation policy with Ace American Insurance Company that is no longer active.

How do I verify Mackenzie Construction Services INC's contractor license?

You can verify Mackenzie Construction Services INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=634591.

Activity Timeline
  1. License issuedJan 6, 1992
  2. Bond activeMay 23, 2025
  3. WC coverage startsJul 1, 2025
  4. WC expiredJul 1, 2026
  5. License expiresSep 30, 2026
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Mackenzie Construction Services 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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