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186 Main St, 
Groton, MA 01450

$2,750,000

4

Beds

6

Baths

7,170

Sq Ft

Single Family

Active

Listed by

Jenepher Spencer
Coldwell Banker Realty

978-692-2121

Last updated:

March 27, 2026, 10:29 AM

MLS#

73490286

Source:

MLSPIN

Company Logo

About This Home

186 Main St

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.

Home Facts

Single Family

6 Baths

4 Bedrooms

Built in 2021

Price Summary

2,750,000

$383 per Sq. Ft.

MLS #:

73490286

Last Updated:

March 27, 2026, 10:29 AM

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

6

Full Bathrooms:

4

Interior

Living Area:

7,170 Sq. Ft.

Structure

Structure

Architectural Style:

Carriage House, Colonial

Building Area:

7,170 Sq. Ft.

Year Built:

2021

Lot

Lot Size (Sq. Ft):

34,848

Finances & Disclosures

Finances

Price:

$2,750,000

Price per Sq. Ft:

$383 per Sq. Ft.

186 Main St
office logo

Jenepher Spencer

(978) 618-5262

(978) 618-5262

Contact
Source:MLSPIN
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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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.