EXPERT PLUMBER THE operating as a corporation is licensed in California under CSLB number 1025248. The license was first issued in 2017, putting the business at 9 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with BUSINESS ALLIANCE INSURANCE COMPANY and active workers' compensation coverage from EMPLOYERS PREFERRED INSURANCE COMPANY. The business is based in CHATSWORTH, in Los Angeles County, California.