SIERRA ENGINEERS operating as a sole owner is licensed in California under CSLB number 536969. The license was first issued in 1988, putting the business at 38 years on the active CSLB roster. It carries a single CSLB classification: A — General Engineering 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 NEVADA CITY, in Nevada County, California.