DOWN UNDER CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 520045. The license was first issued in 1987, putting the business at 39 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 BUSINESS ALLIANCE INSURANCE COMPANY and a previously-filed workers' compensation policy with BENCHMARK INSURANCE COMPANY that is no longer active. The business is based in SEBASTOPOL, in Sonoma County, California.