Grand and stately 1888 Queen Anne brick single-family with superb sun exposures, sited above the street grade on a rare 1/4-acre corner lot at the summit of Avon Hill, close to the Porter Square Red Line, Commuter Rail, Harvard Law School, & Harvard's science center. 14 well-proportioned rooms. Gracious and elegant residence: high ceilings, crown moldings, large windows, custom woodwork, 3 period fireplaces, magnificent large-scale 19th-c. stained-glass panel, original medallions. Excellent cross-ventilation. Beautiful modern kitchen with informal dining area. 6 bedrooms, 3 full & 2 half-baths. Hardwood floors. 2 sets of washers/dryers. 5 bay windows, stone window sills, distinctive brickwork, gables, distinctive shingle patterns, slate roof. Separate-entrance 905 s.f. lower-level office & 1/2-bath. Porch with granite steps, turned balusters. Floor-through 3rd-floor auxiliary apartment has separate entry & 175 s.f. rooftop deck. Without architectural changes, the apartment can be re-integrated with 1st- & 2nd-floor living areas. Landscaped & fenced gardens with mature trees & scores of flowering perennials, rhododendron and azalea. Secluded 500-s.f. stone patio. Charming pond & fountain with goldfish & shubunkin. 2020 state-of-the-art 2-pipe boiler system installed by specialist firm New England SteamWorks. Two 2023 Bosch heat pump/AC compressors: one for the main house and one for the apartment. The 2nd floor has high-velocity system with ducting in the ceilings above the rooms. Off-street parking.