M B DEVELOPMENT operating as a sole owner is licensed in California under CSLB number 778837. The license was first issued in 2000, putting the business at 26 years 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 an exempt workers' compensation status (no employees on payroll). The business is based in CASTRO VALLEY, in Alameda County, California.