HEFNER ROBERT STEPHEN operating as a sole owner is licensed in California under CSLB number 989907. The license was first issued in 2014, putting the business at 12 years on the active CSLB roster. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor. Records show an active surety bond on file with MERCHANTS BONDING COMPANY (MUTUAL) and active workers' compensation coverage from STATE COMPENSATION INSURANCE FUND. The business is based in MERCED, in Merced County, California.