Diamond Masonry is a locally owned and operated business. We are proud to have been of service to our neighbors in Nassau County since 2006. By being an owner run company, you can rest assured that every project we undertake will be completed with your satisfaction as our ultimate goal. Our expertise includes, but is not limited to, basement waterproofing, demolition (i.e. garage, deck, pool demolition), to concrete services, we are the company to call. Call us today!