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.
Pending
Price cut: $250K (5/14)
$2,500,000
186 Main St, Groton, MA 01450
4beds
7,170sqft
Single Family Residence
Built in 2021
0.8 Acres Lot
$2,364,800 Zestimate®
$349/sqft
$-- HOA
What's special
High-efficiency systemsStriking stoneworkStunning carriage houseArched detailsWalk-up atticCircular driveGlass doorknobs
- 96 days |
- 331 |
- 8 |
Zillow last checked:
Listing updated:
Listed by:
Jenepher Spencer 978-618-5262,
Coldwell Banker Realty - Westford 978-692-2121
Source: MLS PIN,MLS#: 73490286
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 4
- 1/2 bathrooms: 2
- Main level bathrooms: 1
Primary bedroom
- Features: Bathroom - Full, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Crown Molding
- Level: Second
- Area: 333
- Dimensions: 18.5 x 18
Bedroom 2
- Features: Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Crown Molding
- Level: Second
- Area: 377.36
- Dimensions: 18.33 x 20.58
Bedroom 3
- Features: Bathroom - Full, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood
- Level: Second
- Area: 288.75
- Dimensions: 18.33 x 15.75
Bedroom 4
- Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Crown Molding, Closet - Double
- Level: First
- Area: 121
- Dimensions: 12 x 10.08
Primary bathroom
- Features: Yes
Bathroom 1
- Features: Bathroom - 3/4, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Crown Molding
- Level: Main,First
- Area: 56.86
- Dimensions: 7.67 x 7.42
Bathroom 2
- Features: Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Recessed Lighting, Crown Molding, Pocket Door
- Level: Second
- Area: 161.42
- Dimensions: 13 x 12.42
Bathroom 3
- Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Tub & Shower, Closet, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid
- Level: Second
- Area: 45.83
- Dimensions: 5 x 9.17
Dining room
- Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Crown Molding
- Level: First
- Area: 369.72
- Dimensions: 18.33 x 20.17
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
- Level: Basement
- Area: 1562.5
- Dimensions: 37.5 x 41.67
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
- Level: First
- Area: 282.64
- Dimensions: 18.33 x 15.42
Living room
- Features: Flooring - Hardwood, Recessed Lighting, Crown Molding, Decorative Molding
- Level: First
- Area: 485.63
- Dimensions: 18.5 x 26.25
Heating
- Central, Forced Air, Heat Pump, Natural Gas, Fireplace(s)
Cooling
- Central Air, Heat Pump, 3 or More
Appliances
- Included: Gas Water Heater, Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Water Softener, Plumbed For Ice Maker
- Laundry: Closet/Cabinets - Custom Built, Flooring - Hardwood, Stone/Granite/Solid Countertops, 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
- Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile
- Doors: French Doors
- Windows: Insulated Windows, Screens
- Basement: Full,Partially Finished,Walk-Out Access,Interior Entry,Sump Pump,Radon Remediation System,Concrete
- Number of fireplaces: 4
- Fireplace features: Dining Room, Living Room
Interior area
- Total structure area: 7,170
- Total interior livable area: 7,170 sqft
- Finished area above ground: 5,015
- Finished area below ground: 2,155
Property
Parking
- Total spaces: 12
- Parking features: Paved Drive, Off Street, Paved
- Uncovered spaces: 12
Accessibility
- Accessibility features: Handicap Accessible, Accessible Entrance
Features
- Patio & porch: Patio
- Exterior features: Patio, Rain Gutters, Professional Landscaping, Sprinkler System, Screens, Stone Wall
- Has view: Yes
- View description: Scenic View(s), Water, Other Water View (See Remarks)
- Has water view: Yes
- Water view: Other (See Remarks),Water
Lot
- Size: 0.8 Acres
- Features: Corner Lot, Cleared, Level
Details
- Parcel number: M:113 B:1 L:,517802
- Zoning: res
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial,Carriage House
- Property subtype: Single Family Residence
Materials
- Frame
- Foundation: Concrete Perimeter
- Roof: Shingle
Condition
- Year built: 2021
Utilities & green energy
- Electric: Generator, Circuit Breakers, 200+ Amp Service, Other (See Remarks)
- Sewer: Public Sewer
- Water: Public
- Utilities for property: for Electric Range, for Electric Dryer, Washer Hookup, Icemaker Connection
Green energy
- Energy efficient items: Thermostat
Community & HOA
Community
- Features: Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Stable(s), Golf, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School
- Security: Security System
HOA
- Has HOA: No
Location
- Region: Groton
Financial & listing details
- Price per square foot: $349/sqft
- Tax assessed value: $2,022,300
- Annual tax amount: $30,786
- Date on market: 3/23/2026
Estimated market value
$2,364,800
$2.25M - $2.48M
$7,158/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/2/2026 | Pending sale | $2,500,000$349/sqft |
Source: MLS PIN #73490286 Report a problem | ||
| 5/19/2026 | Contingent | $2,500,000$349/sqft |
Source: MLS PIN #73490286 Report a problem | ||
| 5/14/2026 | Price change | $2,500,000-9.1%$349/sqft |
Source: MLS PIN #73490286 Report a problem | ||
| 3/23/2026 | Listed for sale | $2,750,000+323.1%$384/sqft |
Source: MLS PIN #73490286 Report a problem | ||
| 11/13/2017 | Sold | $650,000-13.3%$91/sqft |
Source: Public Record Report a problem | ||
| 10/4/2017 | Pending sale | $750,000$105/sqft |
Source: Boston - Metro #72208913 Report a problem | ||
| 9/21/2017 | Price change | $750,000-6.2%$105/sqft |
Source: Boston - Metro #72208913 Report a problem | ||
| 8/4/2017 | Listed for sale | $799,900$112/sqft |
Source: Keller Williams Realty Boston-Metro ; Back Bay #72208913 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $29,745 -1.4% | $1,950,500 -2.4% |
| 2024 | $30,156 -3.5% | $1,998,400 |
| 2023 | $31,255 +16.3% | $1,998,400 +27.9% |
| 2022 | $26,868 +118.1% | $1,563,000 +123.3% |
| 2021 | $12,318 -7.2% | $699,900 -8.4% |
| 2020 | $13,273 -2.3% | $763,700 +1.8% |
| 2019 | $13,590 +1.1% | $750,400 +4.3% |
| 2018 | $13,439 -2.9% | $719,800 -5% |
| 2017 | $13,836 +3.5% | $757,700 +6.4% |
| 2016 | $13,368 +2.8% | $711,800 |
| 2015 | $13,005 +5.1% | $711,800 |
| 2014 | $12,371 +3.1% | $711,800 |
| 2013 | $11,994 +3.9% | $711,800 -0.8% |
| 2012 | $11,542 -1.8% | $717,800 |
| 2011 | $11,758 +4.3% | $717,800 +0.5% |
| 2010 | $11,268 +8.3% | $714,100 -1.7% |
| 2009 | $10,408 +0.8% | $726,800 -2.4% |
| 2008 | $10,330 +1.5% | $744,800 +0.7% |
| 2007 | $10,180 +1.1% | $739,300 +4% |
| 2006 | $10,071 +2.4% | $710,700 |
| 2005 | $9,836 +8% | $710,700 +20.5% |
| 2004 | $9,107 +8.5% | $589,800 |
| 2003 | $8,393 +5.5% | $589,800 +43.3% |
| 2001 | $7,956 +5.6% | $411,600 -0.5% |
| 1998 | $7,534 | $413,500 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 01450
Nearby schools
GreatSchools rating
- 7/10Groton Dunstable Regional Middle SchoolGrades: 5-8Distance: 0.6 mi
- 9/10Groton-Dunstable Regional High SchoolGrades: 9-12Distance: 3.3 mi
- 8/10Florence Roche SchoolGrades: K-4Distance: 0.6 mi
Schools provided by the listing agent
- Elementary: Florence Roche
- Middle: Gdrms
- High: Gdrhs
Source: MLS PIN. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Massachusetts
- Middlesex County
- Groton
- 01450
- 186 Main St



