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