Founded by brothers, Jay and Burton Levy in 1969 as a construction management and property management firm, J&B has expanded into developments, management and brokerage of many types of commercial properties including retail, industrial, office, and mini storage.

Today J&B manages over 500,000 square feet of commercial property around Colorado's Front Range. J&B also provides a number of brokerage services including commercial sales and leasing, as well as client representation for tenants and buyers.