186 Main St, Groton MA 01450

Groton, MA 01450

$2,750,000

Est. $16,671/month

4

Beds

5

Baths

7,170

Sq Ft

$384

Price/Sq Ft

0.80

Acres

2021

Year Built

Single Family Residence

Type

16 hours 4 minutes

Time on Market

Active Listed Mar 23, 2026 • MLS# 73490286 Copied!

About this home

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.

View in the App

Save this property, schedule tours instantly, and get alerts when the price drops

Scan with phone

Get the full experience in the BMN Boston app

Property Overview

Property Type

Single Family Residence

Listing Type

For Sale

Year Built

2021

Bedrooms

4

Full Bathrooms

4

Half Bathrooms

2

Living Area

7,170 sq ft

Total Rooms

10

Facts & Features

Central AC

Home Facts

Type Residential

Style Single Family Residence

Year Built 2021

Living Area 7,170 sq ft

Lot Size 0.80 acres

Bedrooms 4

Full Baths 4

Half Baths 2

Total Rooms 10

Interior

Heating Central, Forced Air, Heat Pump, Natural Gas, Fireplace(s)

Cooling Central Air, Heat Pump, 3 Or More

Flooring Tile, Carpet, Hardwood, Flooring - Hardwood, Flooring - Stone/ceramic Tile

Appliances Gas Water Heater, Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Water Softener, Plumbed For Ice Maker

Fireplace Dining Room, Living Room

Fireplaces 4

Basement Full, Partially Finished, Walk-out Access, Interior Entry, Sump Pump, Radon Remediation System, Concrete

Laundry Closet/cabinets - Custom Built, Flooring - Hardwood, Countertops - Stone/granite/solid, Electric Dryer Hookup, Washer Hookup, Sink, Second Floor

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, Wet Bar, Walk-up Attic, Wired For Sound, Elevator

Exterior

Construction Frame

Architecture Colonial, Carriage House

Roof Shingle

Parking

Features Paved Drive, Off Street, Paved

Total Spaces 12

Utilities

Electric Generator, Circuit Breakers, 200+ Amp Service, Other (see Remarks)

Water Public

Sewer Public Sewer

Gas None

Other For Electric Range, For Electric Dryer, Washer Hookup, Icemaker Connection

Financial

Annual Tax $30,786

Assessed Value $2,022,300

Interior Features

Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile

Appliances: Gas Water Heater, Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Water Softener, Plumbed For Ice Maker

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, Wet Bar, Walk-up Attic, Wired for Sound, Elevator

Windows: Insulated Windows, Screens

Basement: Full, Partially Finished, Walk-Out Access, Interior Entry, Sump Pump, Radon Remediation System, Concrete

Laundry: Closet/Cabinets - Custom Built, Flooring - Hardwood, Countertops - Stone/Granite/Solid, Electric Dryer Hookup, Washer Hookup, Sink, Second Floor

Security: Security System

Construction & Materials

Style: Colonial, Carriage House

Year Built: 2021

Structure Type:

Exterior Materials: Frame

Roof: Shingle

Foundation: Concrete Perimeter

Heating, Cooling & Utilities

Heating: Central, Forced Air, Heat Pump, Natural Gas, Fireplace(s)

Heating Zones: 5

Cooling: Central Air, Heat Pump, 3 or More

Cooling Zones: 5

Hot Water:

Water Source: Public

Sewer: Public Sewer

Parking & Garage

Total Parking Spaces: 12

Parking Features: Paved Drive, Off Street, Paved

Special Features

Fireplaces: 4

Fireplace Type: Dining Room, Living Room

Location

Loading map...

Neighborhood

186 Main St, Groton MA 01450

Groton, MA 01450

Walkability

Loading Walk Score...

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment

$0

Principal, interest, taxes & insurance

Loan Amount

$0

After down payment

Total Interest

$0

Over life of loan

Total Cost

$0

Including down payment

Home Price

Down Payment

%

Down: $0

Interest Rate

%

Loan Term

Monthly Payment Breakdown

Principal & Interest $0

Property Tax $2,566

Homeowners Insurance $200

PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0

Total principal paid $0

Total interest paid $0

Rate Impact

-0.5% Rate

$0/mo

Save $0/mo

Current Rate

$0/mo

+0.5% Rate

$0/mo

Cost $0/mo

Payment Over Time

Interest

Principal

Year 1

95% Interest

Year 15

50/50

Year 30

95% Principal

* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Property Timeline

🏠

Listed for Sale

Mar 23, 2026

$2,750,000

Original listing

Agent: Jenepher Spencer Office: Coldwell Banker Realty - Westford

Date	Event	Price	Change	$/sqft	Details
03/23/2026	🏠 Listed for Sale	$2,750,000	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Mar 23, 2026	New Listing Added	$2,750,000	—

Market Statistics

Time on Market

16 hours 4 minutes

Price per Sq Ft

$384

Tax History

Year	Taxes	Assessment
2026	$30,786	$2,022,300

Financial Details

Annual Property Tax

$30,786

Tax Year 2026

Assessed Value

$2,022,300

Monthly Payment Breakdown

Loan Summary

Listed for Sale

Customize Comparable Search

Distance & Location

Property Characteristics

Price & Value

Property Features

Market Filters

Display Options

📍 Comparable Properties Map

186 Main St, Groton MA 01450

About this home

Property Overview

Facts & Features

Home Facts

Interior

Exterior

Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Parking & Garage

Special Features

Location

Neighborhood

Walkability

Nearby Schools

Monthly Payment Calculator

Monthly Payment Breakdown

Loan Summary

Rate Impact

Payment Over Time

Property History

Property Timeline

Listed for Sale

Detailed History Table ▼

Price & Status History

Market Statistics

Tax History

Financial Details

Listing Information

Comparable Properties

Customize Comparable Search

Distance & Location

Property Characteristics

Price & Value

Property Features

Market Filters

Display Options

📍 Comparable Properties Map

Adjust Property Details

Market Analytics for Groton, MA

Steven Novak

Schedule a Tour

Get the BMN Boston App