LEAF ENGINEERING operating as a sole owner is licensed in California under CSLB number 997960. The license was first issued in 2014, putting the business at 12 years on the active CSLB roster. It carries a single CSLB classification: A — General Engineering 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 CHICO, in Butte County, California.