MASTER BUILDER CONSTRUCTION JMR operating as a sole owner is licensed in California under CSLB number 1131641. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with MERCHANTS BONDING COMPANY (MUTUAL) and active workers' compensation coverage from AMERICAN CASUALTY COMPANY OF READING PA. The business is based in JUNE LAKE, in Mono County, California.