Air - Con Mechanical Services INC (CSLB #636428)
CSLB #636428
Walnut Creek, CA · (925) 279-3330
License status
Active
Expires July 31, 2028 · Issued 1992
Expires July 31, 2028Issued January 22, 1992
BondContractor bond
$25,000
Jet Insurance Company
Workers' comp
On filePolicy on file
Employers Preferred Ins. Co. · to Nov 9, 2026Employers Preferred Ins. Co. Runs to November 9, 2026
ClassesClassifications
C-10 Electrical · C-20 Warm-air heating, ventilating and air-conditioning · C-36 Plumbing
FROM THE CSLB FILE DATED NOV 6, 2026
Status can change the same day. We don't approve contractors; this is the state's public file.
Check this license at CSLB ↗CSLB file dated NOV 6, 2026 · Status can change the same day · Check at CSLB ↗
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Carmen Renee Siems-condon
Role: Officer
–
Joseph Carl Condon
Role: Responsible managing officer, chief executive officer, president
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The full record
- Business address
- 2136 STEWART AVE, Walnut Creek, CA 94596
- Phone
- (925) 279-3330
- Bond
- Jet Insurance Company · $25,000
- Workers' comp
- Employers Preferred Insurance Company · policy EIG510510703 · Nov 9, 2025 to Nov 9, 2026
About this license
Air - Con Mechanical Services INC of Walnut Creek, CA holds California contractor license #636428 in C-10 — Electrical, C-20 — Warm-air heating, ventilating and air-conditioning, and C-36 — Plumbing. The business phone on the license is (925) 279-3330. The license was issued January 22, 1992 and expires July 31, 2028, and the CSLB file lists it as active. Its contractor bond of $25,000 is with Jet Insurance Company. Workers' compensation is with Employers Preferred Insurance Company, policy dates November 9, 2025 – November 9, 2026. People on the license include Carmen Renee Siems-condon (Officer) and Joseph Carl Condon (Responsible Managing Officer/Chief Executive Officer/President).