186 Main St Groton, MA ^$ 2,750,000

186 Main St

^$ 2,750,000

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186 Main St

Groton, MA, 01450

^$ 2,750,000

Bedrooms4 Baths4.2 Sq 7,170

Monthly Estimate*

^$ 16,932

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Single Family Home for sale in Groton, MA

for $2,750,000 with 4 bedrooms and 4 full baths, 2 half baths. This 7,170 square foot home was built in 2021 on a lot size of 0.8.

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.

Single Family Active

Price

^$ 2,750,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 30,786

Style

Colonial,Carriage House

Lot Size

0.8

Year Built

2021

Town/City

Groton

County/Region

Middlesex

MLS | Web ID

73490286

List By

Jenepher Spencer

Listing Agent

Coldwell Banker Realty - Westford

Broker

Affordability Calculator

$19,498

Per Month

Monthly Principal & Interest: $16,932
Monthly Property Taxes: $2,566
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Trends

Single family listings in Groton, MA

Average List Price ^$1,481,648

Percent of Sale Price 46%

About Groton, MA

11,451 Population

19% Since 2002

^$117,018 Median Income

45.68 Median Age

37% Households with Children

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Pricing History

Date	Price	Price Change	Description
3/23/2026	$2,750,000		Listed Price

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186 Main St, Groton, MA, 01450 is a Single Family Home for sale at $2,750,000 with 7,170 sqft and a lot size of 0.8. 186 Main St has 4 bedrooms, 4.2 baths, and was built in 2021. The property's zip code is 01450 which is in Groton, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Data is updated as of 3/24/2026.

The real estate information and related content displayed on this site is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. 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. 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.

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186 Main St

Single Family Home for sale in Groton, MA

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