WALBURGER MATTHEW M operating as a sole owner is licensed in California under CSLB number 1015224. The license was first issued in 2016, putting the business at 10 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 AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from CONTINENTAL CASUALTY COMPANY. The business is based in MARTINEZ, in Contra Costa County, California.