Public CSLB records

Air - Con Mechanical Services INC

License #636428·Corporation·Walnut Creek, Contra Costa County
Download PDF
Owed money by Air - Con Mechanical Services INC? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Air - Con Mechanical Services INC operating as a corporation is licensed in California under CSLB number 636428. The license was first issued in 1992, putting the business at 34 years on the active CSLB roster. It carries 3 CSLB classifications: C-10 Electrical Contractor, C-20 HVAC Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Jet Insurance Company and active workers' compensation coverage from Employers Preferred Insurance Company. The business is based in Walnut Creek, in Contra Costa County, California.

Business Information
Address
2136 Stewart Ave
Walnut Creek, CA 94596
License Details & Classifications
License Number
636428
Issued
Jan 22, 1992
Status
CLEAR
Expires
Jul 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Jet Insurance Company
Bond Number
JT029220
Effective
Mar 13, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Employers Preferred Insurance Company
Policy Number
EIG510510703
Effective
Nov 9, 2025
Expires
Nov 9, 2026
Review

This contractor warrants a closer look before contracting:

  • License expires in 51 days
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 Air - Con Mechanical Services INC licensed in California?

Yes. Air - Con Mechanical Services INC holds California Contractors State License Board license number 636428. The license was first issued on January 22, 1992. It is valid through July 31, 2026.

What does Air - Con Mechanical Services INC specialize in?

Air - Con Mechanical Services INC is licensed for 3 CSLB classifications: C-10 Electrical Contractor, C-20 HVAC Contractor, and C-36 Plumbing Contractor.

Where is Air - Con Mechanical Services INC headquartered?

Air - Con Mechanical Services INC is headquartered at 2136 Stewart Ave, Walnut Creek, CA 94596, in Contra Costa County, California.

Does Air - Con Mechanical Services INC have an active surety bond on file with CSLB?

Yes. Air - Con Mechanical Services INC has an active California contractor surety bond filed with Jet Insurance Company.

Does Air - Con Mechanical Services INC carry workers' compensation coverage?

Yes. Air - Con Mechanical Services INC carries active workers' compensation coverage through Employers Preferred Insurance Company.

How do I verify Air - Con Mechanical Services INC's contractor license?

You can verify Air - Con Mechanical Services INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=636428.

Activity Timeline
  1. License issuedJan 22, 1992
  2. WC coverage startsNov 9, 2025
  3. Bond activeMar 13, 2026
  4. License expiresJul 31, 2026
  5. WC expiresNov 9, 2026
Other contractors in Contra Costa County