The Rent Stabilization Association of N.Y.C., Inc. (RSA) is the largest real estate industry trade association in New York representing 25,000 property owners/agents responsible for approximately one million units of housing. RSA's members range from owners of one small building to large multi-family complexes, cooperatives & condominiums. Our broad representation has allowed us to develop a powerful base for our lobbying programs and the resources to provide a wide assortment of products and services to our members.