Built in 1871 as a beautiful single family residence, 18 Hereford St still exudes a luxurious ambiance of a bygone era. Meticulously maintained with extensive improvements to include a 2023 build out of a garden level au pair/in law apt. New furnace, a/c, hot water. (See documents for improvements in MLS). First floor with French glass paneled doors, opening to lovely entry foyer with grand staircase. Livingroom and bay windowed music room on this level. Second floor features custom kitchen with brand new Fisher Paykkel refridgerator, Viking gas stove, front facing window, dining room and family room. Upper two levels contain 3 bedrooms each. Private patio, 7 fireplaces, gleaming hardwood floors throughout, lofty ceilings. numerous closets and rental parking available. Convenient walking distance to Newbury Street, The Esplanade, Restaurants and Public transportation. Seller offers 2.5% buyer broker compensation.