Public CSLB records

Mackay Professional Services, B General Building Contractor in Oakland, CA

License #668331·Sole Owner·Oakland, Alameda County
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Summary

Mackay Professional Services operating as a sole owner holds an active California contractor license (CSLB #668331), 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 Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Oakland, in Alameda County, California.

Business Information
Address
P O Box 11653
Oakland, CA 94611
License Details & Classifications
License Number
668331
Issued
Mar 31, 1993
Status
CLEAR
Expires
Mar 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
66513059
Effective
Mar 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Mar 17, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
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 Mackay Professional Services licensed in California?

Yes. Mackay Professional Services holds California Contractors State License Board license number 668331, which is active and in good standing. The license was first issued on March 31, 1993. It is valid through March 31, 2027.

What does Mackay Professional Services specialize in?

Mackay Professional Services is licensed for one CSLB classification: B General Building Contractor.

Where is Mackay Professional Services headquartered?

Mackay Professional Services is headquartered at P O Box 11653, Oakland, CA 94611, in Alameda County, California.

Does Mackay Professional Services have an active surety bond on file with CSLB?

Yes. Mackay Professional Services has an active California contractor surety bond filed with Western Surety Company.

Does Mackay Professional Services carry workers' compensation coverage?

Mackay Professional Services reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Mackay Professional Services's contractor license?

You can verify Mackay Professional Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=668331.

Activity Timeline
  1. License issuedMar 31, 1993
  2. Bond activeMar 1, 2023
  3. WC coverage startsMar 17, 2025
  4. License expiresMar 31, 2027
Other contractors in Alameda County
California lien & payment resources

Working a California job with Mackay Professional Services, 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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