The Macchi Group
William Raveis R.E. & Home Services
(774) 271-5857
143 Total Sales
1 in Southborough
$1,100,000 Price
43 Flagg Rd Southborough, MA 01772
Southborough AreaEstimated Value: $809,000 - $899,941
4
Beds
2.5
Baths
3,054
Sq Ft
$278/Sq Ft
Est. Value
Highlights
- Medical Services
- 2.94 Acre Lot
- Deck
- Mary E Finn School Rated A-
- Colonial Architecture
- Property is near public transit and schools
About This Home
As of May 2026Exceptional opportunity to transform this grand residence into your dream home in one of Southborough’s most desirable locations. Set on nearly 3 private acres and gracefully positioned on the elevated portion of the lot, this property offers both presence and potential. The home features 4 generously sized bedrooms, 2 full baths and one half bath, along with a versatile bonus room with its own private entrance—ideal for a home office, guest suite, or studio. A spacious kitchen with dining area, formal living room, and inviting family room provide a solid foundation for reimagining the interior. Two fireplaces add charm and character, while a large deck overlooks the expansive grounds. Additional highlights include a 2-car garage and partially finished basement. A rare offering—restore, reimagine, and elevate this distinguished home to its full potential.
Last Buyer's Agent
Non Member
Non Member Office
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Home Details
Home Type
- Single Family
Est. Annual Taxes
- $13,288
Year Built
- Built in 1988
Lot Details
- 2.94 Acre Lot
- Property is zoned RA
Parking
- 2 Car Attached Garage
- Garage Door Opener
- Driveway
- 4 Open Parking Spaces
- Off-Street Parking
Home Design
- Colonial Architecture
- Block Foundation
- Frame Construction
- Shingle Roof
Interior Spaces
- 2 Fireplaces
- Loft
Kitchen
- Range
- Dishwasher
Flooring
- Wood
- Carpet
- Tile
Bedrooms and Bathrooms
- 4 Bedrooms
- Primary bedroom located on second floor
Laundry
- Laundry on main level
- Dryer
- Washer
Partially Finished Basement
- Walk-Out Basement
- Basement Fills Entire Space Under The House
- Interior Basement Entry
Outdoor Features
- Deck
- Outdoor Storage
Location
- Property is near public transit and schools
Utilities
- Central Air
- Heating System Uses Oil
- Baseboard Heating
- Water Heater
- Private Sewer
Listing and Financial Details
- Assessor Parcel Number 1663338
Community Details
Overview
- No Home Owners Association
- Near Conservation Area
Amenities
- Medical Services
- Shops
- Coin Laundry
Recreation
- Park
- Jogging Path
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Mar 25, 2026
Closed on
Apr 28, 2026
Sold by
Koumoutseas John
Bought by
Seller's Agent
Ana Riffel
eXp Realty LLC
Buyer's Agent
Non Member
Non Member Office
List Price
$799,000
Sold Price
$810,000
Premium/Discount to List
$11,000
1.38%
Views
75
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$37,647
Avg. Annual Appreciation
14.30%
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Southborough, MA
-
The Macchi Group
-
William Luther
William Luther
Channing Real Estate
(857) 971-6745
18 Total Sales
1 in Southborough
$1,100,000 Price
-
Michael L. Durkin
Michael L. Durkin
LAER Realty Partners
(508) 978-2599
97 Total Sales
2 in Southborough
$1.2M - $2.7M Price Range
-
Lisa Zemack
Lisa Zemack
Zemack Real Estate
(774) 292-5539
69 Total Sales
2 in Southborough
$906K - $1.1M Price Range
-
Lynne Eliopoulos
Lynne Eliopoulos
ERA Key Realty Services- Fram
(774) 772-6252
63 Total Sales
2 in Southborough
$795K - $1.2M Price Range
-
Laura Fortin-Bichan
Laura Fortin-Bichan
Heritage Realty Group, LLC
(339) 230-6182
47 Total Sales
1 in Southborough
$550,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $810,000 | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Closed | $255,575 | ||
| Previous Owner | Koumoutseas John | $295,000 | |
| Previous Owner | Koumoutseas John P | $26,000 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 05/01/2026 05/01/26 | Sold | $810,000 | +1.4% | $265 / Sq Ft |
| 03/30/2026 03/30/26 | Pending | -- | -- | -- |
| 03/25/2026 03/25/26 | For Sale | $799,000 | -- | $262 / Sq Ft |
Source: MLS Property Information Network (MLS PIN)
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $13,288 | $962,200 | $320,000 | $642,200 |
| 2024 | $12,623 | $907,500 | $320,000 | $587,500 |
| 2023 | $12,032 | $815,200 | $307,400 | $507,800 |
| 2022 | $11,492 | $705,900 | $269,900 | $436,000 |
| 2021 | $1,519 | $668,500 | $248,600 | $419,900 |
| 2020 | $10,799 | $648,200 | $239,500 | $408,700 |
| 2019 | $10,503 | $627,400 | $230,200 | $397,200 |
| 2018 | $9,852 | $610,400 | $225,400 | $385,000 |
| 2017 | $9,751 | $595,300 | $224,800 | $370,500 |
| 2016 | $8,915 | $563,500 | $216,600 | $346,900 |
| 2015 | $8,787 | $548,500 | $201,800 | $346,700 |
Source: Public Records
Agents Affiliated with this Home
-
Ana Riffel
AR
Seller's Agent in 2026
Ana Riffel
eXp Realty LLC
36 Total Sales
-
NM
Buyer's Agent in 2026
Non Member
Non Member Office
Map
Source: MLS Property Information Network (MLS PIN)
MLS Number: 73491427
APN: SBOR-000033-000000-000021
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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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