United Building Contractors, Inc., is a General Contractor firm founded in 2001 by Jim Gilmore. The firm maintains General Engineering Contractor (A license), General Building Contractor (B license) and Warm-Air Heating, Ventilating, and Air Conditioning Contractor (C-20 license) classifications for Contractor's License #679303. UBC has been serving Northern California providing exceptional workmanship with affordability. UBC has the capacity and experience to operate as a General Contractor, Developer and Construction Management Firm.