RALPH'S HEATING & AIR operating as a sole owner is licensed in California under CSLB number 935069. The license was first issued in 2009, putting the business at 17 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 NATIONWIDE MUTUAL INSURANCE COMPANY and active workers' compensation coverage from AMTRUST INSURANCE COMPANY. The business is based in PALMDALE, in Los Angeles County, California.