ASM MECHANICAL SERVICES operating as a corporation is licensed in California under CSLB number 1051854. The license was first issued in 2019, putting the business at 7 years on the active CSLB roster. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with PHILADELPHIA INDEMNITY INSURANCE COMPANY and active workers' compensation coverage from HARTFORD CASUALTY INSURANCE COMPANY. The business is based in ANTIOCH, in Contra Costa County, California.