WALKER PLUMBING operating as a sole owner is licensed in California under CSLB number 770889. The license was first issued in 1999, putting the business at 27 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with WESTERN SURETY COMPANY and a previously-filed workers' compensation policy with WESCO INSURANCE COMPANY that is no longer active. The business is based in LIVERMORE, in Alameda County, California.