186 Main St

7,170 Sq. Ft.
$384 / Sq. Ft.
7,170
Sq. Ft.
$384
per Sq. Ft.

Description

Grandly set in the heart of Groton Center, “Hollingsworth House” estate w/carriage house offers a rare blend of timeless grandeur & refined luxury. A masterful restoration completed in 2021 showcases a level of finish, materials & craftsmanship that surpasses new construction. Soaring ceilings, exquisite custom moldings,arched details, rich millwork, elegant pocket doors, glass doorknobs & striking stonework define the home. The 1st floor offers 6 beautifully appointed rms, 3 original fireplaces,...Grandly set in the heart of Groton Center, “Hollingsworth House” estate w/carriage house offers a rare blend of timeless grandeur & refined luxury. A masterful restoration completed in 2021 showcases a level of finish, materials & craftsmanship that surpasses new construction. Soaring ceilings, exquisite custom moldings,arched details, rich millwork, elegant pocket doors, glass doorknobs & striking stonework define the home. The 1st floor offers 6 beautifully appointed rms, 3 original fireplaces, including a private bedroom w/adjacent sitting rm & full bath. The 2nd level features 3 spacious bedrooms, each ensuite, walk-in closets w/custom cabinetry & an exceptional laundry rm. A glass elevator adds modern convenience. Sunroom w/walls of windows, walk-up attic & high-efficiency systems enhance the home. Finished walk-out lower level w/speakeasy ambiance & baths offers endless possibilities. Circular drive, stunning carriage house & exceptional grounds complete this distinguished offering.
  1. Listed by Jenepher Spencer • Coldwell Banker Realty - Westford

Property Details for 186 Main Street

Town
Groton
Area
MA-Groton
Architectural Style
Colonial, Carriage House
Style
Colonial, Carriage House
Garage Spaces
0
Open Parking Spaces
12.00
Parking Spaces Total
12
LISTING UPDATED: 03/27/2026 03:10 AM

Property Details for 186 Main Street

StatusActive
MLS #73490286
Days on Market38
Taxes$30,786 / year
HOA Fees-
Property TypeSingle Family
MLS TypeSingle Family / Detached
Year Built2021
CountyMiddlesex County

Location

Listing Courtesy of Coldwell Banker Realty - Westford, Jenepher Spencer
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Building Information for 186 Main Street

Stories-Year Built2021Building Size-Lot Size0.80 AC / 34,848 SF

Payment Calculator

$16,413 per month

30 year fixed, 6.46% Interest

Principal and Interest

$13,848

Property Taxes

$2,566

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 186 Main Street

General Details
Property Details
  • Building Area Units: Square Feet
  • Community Features: Shopping, Swimming Pool, Tennis Court, Park, Walk/Jog Trails, Stables, Golf Course, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School
  • Living Area: 7170.0
  • Color: white
  • SqFt with Basement: Yes
  • Property Attached: No
  • Single Family Type: Detached
  • Waterfront: No
  • Water View: Yes
  • Year Built Details: Renovated Since
  • Year Built Source: Public Records
Location/School
  • Grade School: Florence Roche
  • High School: Gdrhs
  • Middle School: Gdrms
Features
Interior Features
  • Appliances: Gas Water Heater, Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Water Softener, Plumbed For Ice Maker
  • Basement Features: Full, Partially Finished, Walk Out, Interior Access, Sump Pump, Radon Remediation System, Concrete Floor
  • Num of Baths: 6.0
  • Num of Full Baths: 4
  • Num of Half Baths: 2
  • Bathrooms Total Decimal: 5.00
  • Bathrooms Total Integer: 6
  • DoorFeatures: French Doors
  • FireplaceFeatures: Dining Room, Living Room
  • FireplaceYN: Yes
  • Fireplaces: 4
  • Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile
  • Interior Features: Recessed Lighting, Crown Molding, Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Tub & Shower, Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Soaking Tub, Sitting Room, Sun Room, Mud Room, Foyer, Bathroom, Center Hall, Wetbar, Walk-up Attic, Wired for Surround Sound, Elevator
  • Interior Features: Wetbar, Wired for Surround Sound, Elevator, French Doors, Security System
  • Laundry Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Countertops - Stone/Granite/Solid, Electric Dryer Hookup, Washer Hookup, Sink, Second Floor
  • Main Level Bathrooms: 1
  • Primary Bath: Yes
  • SpaYN: No
  • Window Features: Insulated Windows, Screens
Exterior Features
  • Construction: Frame
  • Exterior Features: Patio, Rain Gutters, Professional Landscaping, Sprinkler System, Screens, Stone Wall
  • Exterior Features: Screens, Professional Landscaping, Sprinkler System, Stone Wall, Patio
  • Lot Description: Corner Lot, Cleared, Level
  • Patio And Porch Features: Patio
  • Roof Material: Shingle
  • View: Scenic View(s)
  • View: Yes
  • Waterview Features: Other (See Remarks)
Parking Features
  • Covered Spaces: .00
  • Garage: No
  • Garage Parking: Paved Drive, Off-Street, Paved Driveway
  • Open Parking: Yes
  • Parking Features: Paved Drive, Off-Street, Paved Driveway
  • Parking Features: Off-Street, Paved Driveway
Utilities
  • Cooling: Central Air, Heat Pump, 3 or More
  • Cooling: Yes
  • Electric: Generator, Circuit Breakers, 200+ Amp Service, Other (See Remarks)
  • Green Energy Efficient: Thermostat
  • Heating: Central, Forced Air, Heat Pump, Natural Gas, Fireplace(s)
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Utility Connections: for Electric Range, for Electric Dryer, Washer Hookup, Icemaker Connection
  • Water: Public
Room Information
Primary Bedroom
  • Room Primary Bedroom Area: 333.0
  • Room Primary Bedroom Features: Bathroom - Full,Walk-In Closet(s),Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Crown Molding
  • Room Primary Bedroom Length: 18.5
  • Primary Bedroom Level: Second Floor
  • Room Primary Bedroom Width: 18.0
Bedroom 2
  • Bedroom2 Area: 377.361111111
  • Bedroom2 Features: Walk-In Closet(s),Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Crown Molding
  • Bedroom2 Length: 18.333333333
  • Bedroom2 Level: Second
  • Bedroom2 Width: 20.583333333
Bedroom 3
  • Bedroom3 Area: 288.75
  • Bedroom3 Features: Bathroom - Full,Walk-In Closet(s),Closet/Cabinets - Custom Built,Flooring - Hardwood
  • Bedroom3 Length: 18.333333333
  • Bedroom3 Level: Second
  • Bedroom3 Width: 15.75
Bedroom 4
  • Bedroom4 Area: 121.0
  • Bedroom4 Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Crown Molding,Closet - Double
  • Bedroom4 Length: 12.0
  • Bedroom4 Level: First
  • Bedroom4 Width: 10.083333333
Bathroom 1
  • Bathroom1 Area: 56.861111111
  • Bathroom1 Features: Bathroom - 3/4,Bathroom - Tiled With Shower Stall,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid,Crown Molding
  • Bathroom1 Length: 7.666666666
  • Bathroom1 Level: Main,First
  • Bathroom1 Width: 7.416666666
Bathroom 2
  • Bathroom2 Area: 161.416666666
  • Bathroom2 Features: Bathroom - Full,Bathroom - With Tub & Shower,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid,Recessed Lighting,Crown Molding,Pocket Door
  • Bathroom2 Length: 13.0
  • Bathroom2 Level: Second
  • Bathroom2 Width: 12.416666666
Bathroom 3
  • Bathroom3 Area: 45.833333333
  • Bathroom3 Features: Bathroom - Full,Bathroom - Double Vanity/Sink,Bathroom - With Tub & Shower,Closet,Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid
  • Bathroom3 Length: 5.0
  • Bathroom3 Level: Second
  • Bathroom3 Width: 9.166666666
Dining Room
  • Dining Room Area: 369.722222222
  • Dining Room Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Recessed Lighting,Crown Molding
  • Dining Room Length: 18.333333333
  • Dining Room Level: First
  • Dining Room Width: 20.166666666
Family Room
  • Family Room Area: 1562.5
  • Family Room Features: Bathroom - Half,Walk-In Closet(s),Closet,Closet/Cabinets - Custom Built,Flooring - Wall to Wall Carpet,Exterior Access,Open Floorplan,Recessed Lighting,Storage,Decorative Molding
  • Family Room Length: 37.5
  • Family Room Level: Basement
  • Family Room Width: 41.666666666
Kitchen
  • Kitchen Area: 282.638888888
  • Kitchen Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Dining Area,Pantry,Countertops - Stone/Granite/Solid,Kitchen Island,Breakfast Bar / Nook,Recessed Lighting,Stainless Steel Appliances,Wine Chiller,Archway,Crown Molding,Decorative Molding,Pocket Door
  • Kitchen Length: 18.333333333
  • Kitchen Level: First
  • Kitchen Width: 15.416666666
Laundry
  • Laundry Dimen: 12X8'6
Living Room
  • Room Living Room Area: 485.625
  • Room Living Room Features: Flooring - Hardwood,Recessed Lighting,Crown Molding,Decorative Molding
  • Room Living Room Length: 18.5
  • Room Living Room Level: First
  • Room Living Room Width: 26.25
Property Information
Property Info
  • Year Round: Yes
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • Road Frontage Type: Public
  • Disclosures: ROOM COUNTS AND SQUARE FOOTAGE NOT WITH CARRIAGE HOUSE SEE floor plan attached,separate building with 6 rooms,4 half baths and 1 full bath. Stunning interior rooms,custom cabinetry,media room,bonus room,meeting rooms,wet bar,dynamic exceptional build construction.
Tax Information
  • Tax ID: M:113 B:1 L:,517802
  • Assessments: $2,022,300
  • Book: 70228
  • Tax Year: 2026
  • Zoning: res
Building / Association Information
Living Characteristics
  • Beds Total: 4
Other Building Characteristics
  • Accessibility Features: Handicap Accessible, Accessible Entrance
  • Foundation: Concrete Perimeter
  • Cooling Zones: 5
  • Heat Zones: 5
Complex & Association Information
  • Association Security: Security System
  • Adult Community: No

Property History for 186 Main Street

DateEvent & SourcePriceAppreciation
Mar 23, 2026

Listed (Active)

MLS PIN #73490286

$2,750,000
Nov 15, 2017

Sold

MLS PIN #72208913

$650,000
Nov 14, 2017

Sold (Public Record)

Public Record #610080353

$650,000
DateEvent & SourcePrice
03/23/2026

Listed (Active)

MLS PIN #73490286

$2,750,000
11/15/2017

Sold

MLS PIN #72208913

$650,000
11/14/2017

Sold (Public Record)

Public Record #610080353

$650,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 186 Main Street

Taxable ValueLand$202,900Additions$1,747,600Total$1,950,500
Tax Record2025$29,745 ($2,479 / month)
Home Facts
Baths4.5Total Finished SqFt5,227 SqFtAbove Grade Finished SqFt5,227 SqFtStories2Lot Size34,848 SqFtStyleMiscellaneous CommercialYear Built1865ZoningRACountyMIDDLESEXAPNGRTN M:113 B:1 L:Fireplace TypeHas Fireplace

Schools near 186 Main Street

This home is within Groton-Dunstable School District.
Rating
School
Type
Grades
Distance
Public - K to 4
Public - 5 to 8
Public - 9 to 12
Public - K to 4
Rating
School
Distance
Swallow/Union School
PublicK to 4

Groton-Dunstable Regional High School
Public9 to 12

Florence Roche School
PublicK to 4

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

Similar Sold Homes

186 Main Street is a single family home for sale in Groton, MA 01450. This property was listed for sale on March 23, 2026 by Coldwell Banker Realty - Westford, it's currently listed at $2,750,000. It has been on the market for a total of 38 days and was last sold on November 15, 2017. This listing's school district is Groton-Dunstable School District. Nearby schools include Swallow/Union School, Groton Dunstable Regional Middle School and Groton-Dunstable Regional High School. 186 Main Street is a 4-bed, 6-bath, 7,170 sqft single family home built in 2021.

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Listing Courtesy of Coldwell Banker Realty - Westford, Jenepher Spencer

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. The property listing data and information, and the images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the images, set forth herein.