NILSEN CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 441550. The license was first issued in 1983, putting the business at 43 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 PLATTE RIVER INSURANCE COMPANY and active workers' compensation coverage from OMAHA NATIONAL CASUALTY COMPANY. The business is based in PETALUMA, in Sonoma County, California.