Map for Washoe Building Supply, Inc. Map for Washoe Building Supply, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> Roofing Washoe Building Supply, Inc. 1479 Hymer Ave.Sparks, NV 89431 | directions Zach McGrath (775) 359-3622 Visit Site If your business isn't here, contact us today to get listed!