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A & A Consulting Engineers

License #864170·Sole Owner·Antioch, Contra Costa County
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Summary

A & A Consulting Engineers operating as a sole owner is licensed in California under CSLB number 864170. The license was first issued in 2005, putting the business at 21 years on the active CSLB roster. It carries 2 CSLB classifications: A General Engineering Contractor and 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 Antioch, in Contra Costa County, California.

Business Information
Address
2650 Zepher Ct
Antioch, CA 94531
License Details & Classifications
License Number
864170
Issued
Sep 17, 2005
Status
CLEAR
Expires
May 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67721231
Effective
Dec 16, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
May 30, 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 A & A Consulting Engineers licensed in California?

Yes. A & A Consulting Engineers holds California Contractors State License Board license number 864170. The license was first issued on September 17, 2005. It is valid through May 31, 2027.

What does A & A Consulting Engineers specialize in?

A & A Consulting Engineers is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.

Where is A & A Consulting Engineers headquartered?

A & A Consulting Engineers is headquartered at 2650 Zepher Ct, Antioch, CA 94531, in Contra Costa County, California.

Does A & A Consulting Engineers have an active surety bond on file with CSLB?

Yes. A & A Consulting Engineers has an active California contractor surety bond filed with Western Surety Company.

Does A & A Consulting Engineers carry workers' compensation coverage?

A & A Consulting Engineers reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify A & A Consulting Engineers's contractor license?

You can verify A & A Consulting Engineers's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=864170.

Activity Timeline
  1. License issuedSep 17, 2005
  2. WC coverage startsMay 30, 2025
  3. Bond activeDec 16, 2025
  4. License expiresMay 31, 2027
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