Since 1974 R&K Building Supplies has been serving Residential and Commercial Contractors & Homeowners in the Valley & Statewide. Our Lumber, Door, Window, Truss and Insulation divisions provide extensive product selection and complete customer service to guarantee satisfaction in our company. We offer over 30 years of Experience in residential tract work, custom homes and apartments, as well as commercial buildings, churches, schools & offices. R & K stands for Reliability & Knowledge.