COSTA NATHAN ELECTRIC operating as a sole owner is licensed in California under CSLB number 1082423. The license was first issued in 2021, putting the business at 5 years on the active CSLB roster. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with MERCHANTS BONDING COMPANY (MUTUAL) and a previously-filed workers' compensation policy with HARTFORD CASUALTY INSURANCE COMPANY that is no longer active. The business is based in FORESTVILLE, in Sonoma County, California.