ProSource of Concord 62.83 Rating Score™ Other Of 27 ratings/reviews posted on 4 verified review sites, ProSource of Concord has an average rating of 3.93 stars. This earns a Rating Score™ of 62.83. View Profile & Reviews 03/01/2019 Verified Great selection of engineered wood flooring. Rocky was extremely helpful with orientation to the product, samples and ordering. This is the place to buy hardwood im Concord!