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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 Gentle Sloping
- 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
- Workshop in Garage
Rooms
- Bathroom 1 Second,10 x 10
- Bathroom 2 Second,8 x 8
- Bathrooms Total Decimal 4
- Bedroom 2 Second,15 x 10
- Bedroom 3 Second,14 x 10
- Bedroom 4 Second,19 x 11
- Bedroom 5 Main, First,12 x 11
- Dining Room First,16 x 11
- Family Room Second,28 x 27
- Full Bath3
- Half Baths2
- Kitchen Main, First,13 x 11
- Living Room Main, First,24 x 20
- Main Level Bedrooms 1
- Master Bedroom Second,25
- Office Second,8 x 8
Basic Information
- List Price$1,199,000
- MLS Number73522582
- Modification Date05/25/2026
- Property SubTypeSingle Family Residence
Location
- NeighborhoodEast Groton
- SubdivisionEast Groton
- Address15 Gilson Road
- Building Number15
- CountyMiddlesex
- StateMA
- StreetGilson Road
- TownGroton
- Zip01450
Building
- Attached Garage YN Yes
- Basement
- Bulkhead
- Concrete
- Interior Entry
- Partial
- Sump Pump
- 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, Icemaker Connection
- Window Features Insulated Windows
- Year Built1953
- Year Built Details Actual, 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
- Vinyl
- Wood
- Interior Features
- 3/4 Bath
- Bathroom - 3/4
- Bathroom - Tiled With Shower Stall
- Closet - Linen
- Countertops - Stone/Granite/Solid
- Countertops - Upgraded
- Den
- Finish - Sheetrock
- Home Office
- Kitchen
- Lighting - Overhead
- Lighting - Pendant
- Living/Dining Rm Combo
- Open Floorplan
- Recessed Lighting
- Sauna/Steam/Hot Tub
- Slider
- Study
Exterior
- Exterior Features Deck - Composite, Patio, 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 Updated/Remodeled, Remodeled
Amenities
- Amenities
- Bike Path
- Conservation Area
- Golf
- Highway Access
- House of Worship
- Medical Facility
- Park
- Private School
- Public School
- Public Transportation
- Shopping
- Stable(s)
- 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, Stainless Steel Appliance(s), Plumbed For Ice Maker
- Green Energy Efficient Thermostat
Legal
- ZoningRA
Other
- Date Listed05/21/2026
- Farm Land Area Units Square Feet
- View Count3
Map Location
Listed by Heidi Vaughan of Barrett Sotheby's International Realty
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