HB Real Estate Share: Real Estate Services HB Real Estate Visit Website Request Info 70 Old South Street Northampton, MA 01060 (413) 244-2232 About Map About HB Real Estate will be a boutique brokerage specializing in personalized services and a firm where you can expect the highest level of representation for any transaction - buyers or sellers. What's Nearby? Distance: 5 10 15 20 25 50 mi.