UPDEGRAFF CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 1050729. The license was first issued in 2019, putting the business at 7 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY. The business is based in GRASS VALLEY, in Nevada County, California.