
51 Hosmer St Acton — Photo 1 of 42
Recent Drop: $10,100
$839,900
Acton, MA 01720 — Robbins Park
Beds
3
Baths
2
SqFt
1,960
Style
Single Family
Built
1991
Beautifully updated and truly move-in ready, this split-entry home lets you enjoy your new home from day one. The expensive improvements have already been completed, including a new septic system (2020), roof and siding (2021), new boiler and four mini-split heat pump/A/C units (2022), kitchen renovation (2023), updated appliances and two beautifully renovated bathrooms (2024), plus many additional improvements over the years (see attached update list).The bright main level offers a comfortable, functional layout with a fireplaced living room, a separate dining room, and an updated eat-in kitchen featuring granite countertops, newer stainless steel appliances, generous cabinet and counter space, and a window overlooking the backyard. Three well-sized bedrooms and an updated full bath complete the main level.The walk-out lower level expands the living space with a spacious family room featuring a second fireplace, a beautifully renovated full bath with an oversized tiled shower, and a flexible open area ideal for a home office, study, exercise space, or playroom. This level also offers an excellent option for a private primary suite, creating a separate retreat with its own full bathroom while still providing comfortable living space.One of the home's best surprises is the backyard. Tucked behind the house and surrounded by mature trees, it offers a private, level setting that's perfect for entertaining, gardening, gathering around a fire pit, or simply relaxing after a busy day. The east-facing orientation fills the home with beautiful morning light, while the backyard enjoys sunny afternoons and evenings.Enjoy a convenient Acton location with an easy walk to the Acton Memorial Library, Acton Center, shopping, restaurants, and community events. The home is also close to the highly rated Acton-Boxborough schools, Bruce Freeman Rail Trail, Acton Arboretum, commuter rail service to Boston, and major commuting routes. A wonderful opportunity to own a move-in-ready home with flexible living space, a private backyard, and an exceptional location.
* Analysis is based on 21 actively listed and recently sold comparable properties strictly within Acton, MA.
Water Heater • Microwave • ENERGY STAR Qualified Refrigerator • ENERGY STAR Qualified Dryer • ENERGY STAR Qualified Dishwasher • ENERGY STAR Qualified Washer • Range
Public Transportation • Shopping • Pool • Park • Walk/Jog Trails • Golf
16.416666666 x 15.166666666
Flooring - Laminate, Window(s) - Picture, Open Floorplan
11.416666666 x 11.416666666
Flooring - Laminate, Deck - Exterior, Exterior Access, Slider, Lighting - Overhead
12.25 x 11.416666666
Flooring - Vinyl, Dining Area, Countertops - Stone/Granite/Solid, Remodeled
10.166666666 x 12.583333333
Flooring - Wall to Wall Carpet, Open Floor Plan
16.166666666 x 12.083333333
Flooring - Wall to Wall Carpet, Open Floorplan, Recessed Lighting
13.75 x 11.416666666
Closet, Flooring - Laminate
13 x 11.75
10.416666666 x 11.75
Closet, Flooring - Laminate
8.666666666 x 11.416666666
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Closet - Linen, Flooring - Laminate, Countertops - Stone/Granite/Solid, Remodeled
9.083333333 x 7.5
Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet, Flooring - Vinyl, Countertops - Stone/Granite/Solid
Aug 18, 2026
MLS® 73565123
Was $850,000
Aug 6, 2026
MLS® 73550111
Jul 15, 2026
MLS® 73550111
23,526
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
$159K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
25.8%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
2,667 housing units permitted in the last 12 months (-2% vs the prior 12 months) — 1,709 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jun '26)
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 1,960 sq ft principal dwelling). Lot size: 30,154 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Elena Beldiya Petrov
Listing Office: Keller Williams Realty Boston Northwest
MLS® Number: 73550111
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