Dimensions13 x 11.75
FeaturesCloset, Flooring - Laminate
LevelSecond
51 Hosmer St, Acton MA 01720
Acton, MA 01720 • Robbins Park
$850,000
$799,900
Est. $5,268/month
Estimate assumptions
20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.
Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.
Adjust the payment calculatorTrack this home for price, status, and open-house alerts.
About this home
NEW PRICE $799,900! Beautifully updated, energy-efficient, and truly MOVE-IN READY! This split-entry home offers exceptional value, with major improvements already completed. Updates include a new SEPTIC system (2020), ROOF and SIDING (2021), BOILER and four MINI-SPLIT heat pump/A/C units (2022), kitchen renovation (2023), and newer appliances, renovated main bath, and NEW lower-level full bath (2024). Added insulation and efficient heat pumps for heating and cooling offer additional benefits. See attached update list! The bright main level features a fireplaced living room, separate dining room, and updated eat-in kitchen with granite countertops, stainless steel appliances, generous cabinet space, and a window overlooking the backyard. Three well-sized bedrooms and an updated full bath complete this level. The WALK-OUT LOWER LEVEL offers a spacious family room with a second fireplace, a NEW FULL BATH with an OVERSIZED TILED SHOWER, and flexible open space for a home office, study, exercise area, or playroom. This level also offers an excellent option for a private PRIMARY SUITE with its own full bathroom.One of the home's best surprises is the backyard! Tucked behind the house and surrounded by mature trees, this private, level setting is perfect for entertaining, gardening, gathering around a fire pit, or simply relaxing. The east-facing orientation brings beautiful morning light, while the backyard enjoys sunny afternoons and evenings. Enjoy an easy walk to Acton Memorial Library, Acton Center, shopping, restaurants, and community events. Close to Acton-Boxborough schools, Bruce Freeman Rail Trail, Acton Arboretum, commuter rail to Boston, and major routes. NOW UNDER $800,000! A move-in-ready home with major updates, energy-efficient features, flexible living space, and a beautiful backyard in a convenient Acton location. Come see the value for yourself!
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Recently Sold Nearby
Price & Status History
Market Insights
2
Price Changes
40.6%
Price Range
1
Previous Sales
Property Timeline
Showing Instructions Updated
Oct 13, 2026
New showing requirements
Price Reduced
Oct 13, 2026
$799,900
$40,000
(-4.76%)
From $839,900 to $799,900 (-4.8%)
Price Reduced
Aug 6, 2026
$839,900
$10,100
(-1.19%)
From $850,000 to $839,900 (-1.2%)
Listed for Sale
Jul 15, 2026
$850,000
Original listing
Agent: Elena Beldiya Petrov
Office: Keller Williams Realty Boston Northwest
Previous Transaction - MLS #72577889
Full transaction history available when tracking began
Previously Sold
Jul 27, 2020
$505,000
MLS #72577889
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 10/13/2026 | 👁️ Showing Instructions Updated | - | - | - | New showing requirements |
| 10/13/2026 | ↓ Price Reduced | $799,900 | $40,000 | - | From $839,900 to $799,900 (-4.8%) |
| 08/06/2026 | ↓ Price Reduced | $839,900 | $10,100 | - | From $850,000 to $839,900 (-1.2%) |
| 07/15/2026 | 🏠 Listed for Sale | $850,000 | - | - | Original listing |
| 07/27/2020 | 🏷️ Previously Sold | $505,000 | - | - | MLS #72577889 |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $12,281 | $747,000 |
Financial Details
Annual Property Tax
$12,281
Tax Year 2026
Assessed Value
$747,000
Facts & Features
2 Car Garage
Home Facts
Type
Residential
Style
Single Family Residence
Year Built
1991
Living Area
1,960 sq ft
Lot Size
0.69 acres
Bedrooms
3
Full Baths
2
Total Rooms
8
Interior
Heating
Central, Baseboard, Oil, Ductless
Cooling
Ductless
Flooring
Tile, Vinyl, Carpet, Laminate, Flooring - Wall To Wall Carpet, Flooring - Stone/ceramic Tile
Appliances
Water Heater, Microwave, Energy Star Qualified Refrigerator, Energy Star Qualified Dryer, Energy Star Qualified Dishwasher, Energy Star Qualified Washer, Range
Fireplace
Family Room, Living Room
Fireplaces
2
Basement
Full, Finished, Walk-out Access, Interior Entry, Garage Access
Laundry
Flooring - Vinyl, Second Floor, Electric Dryer Hookup, Washer Hookup
Features
Open Floorplan, Closet, Home Office, Foyer
Exterior
Construction
Frame
Architecture
Split Entry
Roof
Shingle
Features
Deck, Deck - Wood, Rain Gutters, Storage, Screens
Pool
None
Spa
None
Fencing
None
Patio/Porch
Deck, Deck - Wood
Parking
Garage Spaces
2
Has Garage
Yes
Features
Attached, Under, Garage Door Opener, Storage, Garage Faces Side, Paved Drive, Off Street, Paved
Total Spaces
8
Utilities
Electric
Circuit Breakers
Water
Public
Sewer
Private Sewer
Gas
None
Other
For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup
Financial
Annual Tax
$12,281
Assessed Value
$747,000
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
Down Payment Resource
Eligible
MA Disclosures
Lead Paint
None, Unknown
Seller Disclosures
Fireplaces Have Never Been Used. The Rv Is Not Included In The Sale. Part Of The Robbins Park Neighborhood Pool.
Additional Details
Possession
None
Accepted Financing
None
Structure Type
[]
House Color
Tan
Sq Ft Source
Public Record
Sq Ft Disclosures
Living area includes 624 sqft in the finished lower level. All above the ground.
Documents
None
County
Middlesex
Total market time (incl. prior listings)
90 days
Property Overview
Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1991
Bedrooms
3
Full Bathrooms
2
Living Area
1,960 sq ft
Total Rooms
8
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,960 sq ft above grade
Dimensions10.416666666 x 11.75
FeaturesCloset, Flooring - Laminate
LevelSecond
Dimensions13.75 x 11.416666666
FeaturesCloset, Flooring - Laminate
LevelSecond
Dimensions10.166666666 x 12.583333333
FeaturesFlooring - Wall to Wall Carpet, Open Floor Plan
LevelFirst
Dimensions12.25 x 11.416666666
FeaturesFlooring - Vinyl, Dining Area, Countertops - Stone/Granite/Solid, Remodeled
LevelMain,Second
Dimensions8.666666666 x 11.416666666
FeaturesBathroom - Full, Bathroom - Tiled With Tub & Shower, Closet - Linen, Flooring - Laminate, Countertops - Stone/Granite/Solid, Remodeled
LevelMain,Second
Dimensions9.083333333 x 7.5
FeaturesBathroom - Full, Bathroom - Tiled With Shower Stall, Closet, Flooring - Vinyl, Countertops - Stone/Granite/Solid
LevelFirst
Dimensions11.416666666 x 11.416666666
FeaturesFlooring - Laminate, Deck - Exterior, Exterior Access, Slider, Lighting - Overhead
LevelMain,Second
Dimensions16.166666666 x 12.083333333
FeaturesFlooring - Wall to Wall Carpet, Open Floorplan, Recessed Lighting
LevelFirst
Dimensions16.416666666 x 15.166666666
FeaturesFlooring - Laminate, Window(s) - Picture, Open Floorplan
LevelMain,Second
Display Options
Outdoor Areas
Patio & porchDeck, Deck - Wood
Room Markers
OOffice (1)
KKitchen (1)
BRBedroom (3)
BABathroom (2)
DDining (1)
LLiving (2)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Tile, Vinyl, Carpet, Laminate, Flooring - Wall to Wall Carpet, Flooring - Stone/Ceramic Tile
Appliances:
Water Heater, Microwave, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dryer, ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Washer, Range
Interior Features:
Open Floorplan, Closet, Home Office, Foyer
Windows:
Insulated Windows, Screens
Basement:
Full, Finished, Walk-Out Access, Interior Entry, Garage Access
Laundry:
Flooring - Vinyl, Second Floor, Electric Dryer Hookup, Washer Hookup
Security:
Construction & Materials
Style:
Split Entry
Year Built:
1991
Structure Type:
Exterior Materials:
Frame
Roof:
Shingle
Foundation:
Concrete Perimeter
Utilities & Systems
Heating:
Central, Baseboard, Oil, Ductless
Heating Zones:
4
Cooling:
Ductless
Cooling Zones:
4
Hot Water:
Water Source:
Public
Sewer:
Private Sewer
Energy Features:
Thermostat
Exterior & Lot
Exterior Features:
Deck, Deck - Wood, Rain Gutters, Storage, Screens
Patio & Porch:
Deck, Deck - Wood
Fencing:
Other Structures:
Lot Features:
Easements, Level
Road Surface:
Paved
Parking & Garage
Garage Spaces:
2
Garage Type:
Attached
Total Parking Spaces:
8
Parking Features:
Attached, Under, Garage Door Opener, Storage, Garage Faces Side, Paved Drive, Off Street, Paved
Special Features
Fireplaces:
2
Fireplace Type:
Family Room, Living Room
Community Amenities:
Public Transportation, Shopping, Pool, Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Public School, T-Station
Nearby Schools
School District
Acton-Boxborough Regional School District local
A+
School Safety
2024-25
0.3%
Low
0.1%
Suspensions
0.1%
In-School
0.2%
Emergency
5.2% below state avg
Elementary Schools
3 schools
A-
Luther Conant School
0.5 mi
|
#185 of 825
|
Score: 55.7
Dropped 65 spots from last year
-2.5 below state avg
399 students
Diverse
Diverse Student Body
Strong Attendance
Grades K-06
B
McCarthy-Towne School
1.4 mi
|
#389 of 825
|
Score: 48.0
Dropped 128 spots from last year
-10.2 below state avg
420 students
Moderate
Strong Attendance
Grades K-06
B+
Merriam School
1.4 mi
|
#284 of 825
|
Score: 51.2
Improved 18 spots from last year
-7 below state avg
360 students
Diverse
Strong Attendance
Grades K-06
Middle Schools
3 schools
A+
Raymond J Grey Junior High School
1.6 mi
|
#17 of 352
|
Score: 61.8
Improved 3 spots from last year
+3.6 above state avg
820 students
Diverse
Diverse Student Body
Strong Attendance
Grades 07-08
A+
Concord Middle School
2.8 mi
|
#23 of 352
|
Score: 60.9
Dropped 17 spots from last year
+2.7 above state avg
655 students
Moderate
Strong Attendance
Grades 06-08
B
Fowler School
3.9 mi
|
#148 of 352
|
Score: 44.4
Dropped 26 spots from last year
-13.8 below state avg
459 students
Moderate
Grades 04-08
High Schools
3 schools
JRI The Victor School
1.1 mi
Grades 06-12
A+
Acton-Boxborough Regional High School
1.7 mi
|
#13 of 346
|
Score: 74.9
Improved 1 spots from last year
+16.7 above state avg
1,611 students
Diverse
20 sports
• 2,224 athletes
Strong AP Program
High Graduation Rate
College Ready Curriculum
Strong Athletics
Grades 09-12
Middlesex School
3.5 mi
Grades 09-12
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Property Tax
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Homeowners Insurance
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Year 1
95% Interest
Year 15
50/50
Year 30
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Location
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Neighborhood
Robbins Park
51 Hosmer St, Acton MA 01720
Acton, MA 01720
Listing Information
Listing Agent
Elena Beldiya Petrov
Listing Office
Keller Williams Realty Boston Northwest
Office Phone
978-369-5775
Agent MLS ID
BB802539
Office MLS ID
BB3298
Listing Data Updated
Oct 13, 2026 3:23 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
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