The Hudson Gateway Association of REALTORS® (HGAR) is a not-for-profit trade association covering almost 10,000 real estate professionals doing business in Westchester, Putnam, Rockland, and Orange counties.   It is the second largest REALTOR® Association in New York, and one of the largest in the country. The Hudson Gateway Multiple Listing Service (HGMLS), owned and operated by HGAR, offers some 24,000 properties in the Bronx, Westchester, Putnam, Dutchess, Rockland, Orange, Sullivan and Ulster counties.  It is among the top 50 largest MLSs in the country.