MAYER MECHANICAL operating as a sole owner is licensed in California under CSLB number 650823. The license was first issued in 1992, putting the business at 34 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 NORTH RIVER INSURANCE COMPANY (THE) and active workers' compensation coverage from MARKEL INSURANCE COMPANY. The business is based in VISTA, in San Diego County, California.