DITTENHOEFER JOHN operating as a sole owner is licensed in California under CSLB number 685206. The license was first issued in 1994, putting the business at 32 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 WESTERN SURETY COMPANY and active workers' compensation coverage from CLEAR SPRING PROPERTY AND CASUALTY COMPANY. The business is based in NIPOMO, in San Luis Obispo County, California.