CRUMPTON MARK ALAN operating as a sole owner is licensed in California under CSLB number 648966. The license was first issued in 1992, putting the business at 34 years on the active CSLB roster. It carries 2 CSLB classifications: C-10 Electrical Contractor and C-20 HVAC Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from STATE COMPENSATION INSURANCE FUND. The business is based in REDDING, in Shasta County, California.