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Rare East Groton Colonial with 5,400 sq ft of flexible living space, including a town-approved in-law / ADU with private entrance. Ideal for multi-generational living, extended guests, remote work, or long-term household flexibility, the home offers connection and privacy minutes to Route 495. The main home features 4 bedrooms and 2.5 baths, a vaulted living room with loft, open dining area, granite kitchen with center island, walk-in pantry, mudroom, private office, spacious primary suite with en suite bath and walk-in closet, renovated bath, second-floor laundry, and oversized family room. The attached first-floor ADU lives like its own single-level residence with 1 bedroom, 1.5 baths, renovated kitchen and bath, dining/living spaces, separate entrance, and connecting mud/entry room. Outside features a professionally landscaped .93-acre yard, composite wraparound deck, paver patio, hot tub, oversized 2-car garage, and generous driveway parking.
More Info
Basic Information
- Bedrooms5
- Mls StatusActive
- Bathroom5
- Lot Features Wooded
- Parcel Number 519136
Tax Information
- Tax Assessed Value $1,016,300
- Tax Year 2026
- Taxes$15,427
Parking
- Parking Spaces12
- Covered Spaces 2
- Garage YN Yes
- Open Parking YN Yes
- Parking Features
- Attached
- Garage Door Opener
- Off Street
- Oversized
- Paved
- Paved Drive
- Storage
Rooms
- Bathroom 1 Second,10 x 10
- Bathroom 2 Second,8 x 8
- Bathroom 3 First
- Bathrooms Total Decimal 4
- Bedroom 2 Second,15 x 10
- Bedroom 3 Second,14 x 10
- Bedroom 4 Second,19 x 11
- Bedroom 5 First,12 x 11
- Dining Room First,16 x 11
- Family Room Second,28 x 27
- Full Bath3
- Half Baths2
- Kitchen First,13 x 11
- Living Room Main, First,24 x 20
- Master Bedroom Second,25
- Office Second,8 x 8
Basic Information
- List Price$1,149,000
- MLS Number73477679
- Modification Date05/19/2026
- Property SubTypeSingle Family Residence
- Virtual TourView Tour
Location
- NeighborhoodEast Groton
- SubdivisionEast Groton
- Address15 Gilson Road
- Building Number15
- CountyMiddlesex
- StateMA
- StreetGilson Road
- TownGroton
- Zip01450
Building
- Attached Garage YN Yes
- BasementFull, Interior Entry, Bulkhead, Concrete, Unfinished
- Building Area Units Square Feet
- Construction Materials Frame
- Door Features Insulated Doors
- FoundationConcrete Perimeter
- Garage Spaces2
- Patio And Porch Features Deck - Composite, Patio
- Property StyleColonial
- Rooms11
- Utilities For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup
- Window Features Insulated Windows
- Year Built1953
- Year Built Details Renovated Since
- Year Built Source Public Records
Property
- Acreage0.93
Interior
- Flooring
- Carpet
- Flooring - Hardwood
- Flooring - Stone/Ceramic Tile
- Flooring - Wall to Wall Carpet
- Hardwood
- Tile
- Interior Features
- Bathroom
- Bathroom - Full
- Bathroom - Tiled With Shower Stall
- Countertops - Stone/Granite/Solid
- Den
- Dining Area
- Home Office
- Kitchen
- Lighting - Overhead
- Lighting - Sconce
- Living/Dining Rm Combo
- Open Floorplan
- Peninsula
- Recessed Lighting
- Slider
- Study
Exterior
- Exterior Features Deck - Composite, Patio, Hot Tub/Spa, Storage, Professional Landscaping
- RoofShingle
Utilities
- Cooling Central Air
- Cooling YN Yes
- Electric 110 Volts, Circuit Breakers,200+ Amp Service
- Heat SystemYes
- Heating Central, Forced Air, Oil
- Sewer Private Sewer
- Water Source Public
Property Information
- Square Feet5,376
- Building Area Source Public Records
- Living Area 5,376
- Lot Size Square Feet 40,510
- Lot Size Units Acres
- Property Condition Remodeled
- Spa YN Yes
Amenities
- Amenities
- Bike Path
- Conservation Area
- Highway Access
- Private School
- Public School
- Public Transportation
- Shopping
- Walk/Jog Trails
- Appliances IncludedElectric Water Heater, Trash Compactor, Microwave, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dryer, ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Washer, Range
- Green Energy Efficient Thermostat
Legal
- ZoningRA
Other
- Date Listed02/17/2026
- Farm Land Area Units Square Feet
- Spa Features Private
Map Location
Listed by Heidi Vaughan of Barrett Sotheby's International Realty
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