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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

Other

  • Date Listed02/17/2026
  • Farm Land Area Units Square Feet
  • Spa Features Private

Map Location

Driving Directions

Listed by Heidi Vaughan of Barrett Sotheby's International Realty

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