OFF MARKET
Google street view image for 12 Flagg Rd, Southborough, MA 01772
Off market
$851,852
4
bd
•
2 ba
•
2,579
sq ft

12 Flagg Rd, Southborough, MA 01772

map-entry

About this home

12 Flagg Rd is a 2,579 square foot house on a 1 acre lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Southborough data, we estimate the home's value is $851,852.
Single-familyProperty Type
1981Year Built
1 acresLot Size
$330Est. Price/Sq.Ft.
Source:Public Records

Redfin Estimate

$851,852
$12K since October

This home's estimate is 15.5% lower than the average sale price ($1.01M) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$808,634
Est. take-home

List your home with Redfin and save $4,259

Rent
$4,034/mo
Redfin rental estimate

List your home for rent

Market trends in 01772, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price
98.8%

0.8% MoM

Median sale price
$955K

$21K MoM

Avg. days on market
31d

10 days MoM

Recently sold homes
33

0 MoM

New listings for sale

Provided by Redfin

Sale history for 12 Flagg Rd

As the MLS and public records start to fill up, we'll list the details here.

Tax history for 12 Flagg Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Around this home

Schools

Margaret Neary Elementary School

Public 4-5 • Assigned • 0.5mi

8/10
P. Brent Trottier Middle School

Public 6-8 • Assigned • 0.4mi

8/10
Algonquin Regional High School

Public 9-12 • Assigned • 3.9mi

9/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Southborough, MA • 01772
Average low and high temperatures (°F)
32
18
35
19
51
31
60
40
69
50
80
60
84
65
80
58
75
55
62
45
52
36
38
24
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 8.9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.9 hrs
4.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$810,000 – $980,000

Reach more buyers when you sell with Redfin. Save up to $8,519 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

$2,550,000
5 beds5.5 baths7,802 sq ft
Lot 6 Lincoln St, Hopkinton, MA 01748
Hers score • Erv fresh air system • Make-up air system
$1,899,900
4 beds4.5 baths6,026 sq ft
6 Watkins Ln, Southborough, MA 01772
Custom built home • Taj mahal quartz • Marble backsplash
$689,900
4 beds1.5 baths1,406 sq ft
120 Edinboro St, Marlborough, MA 01752
Cul de sac • Country kitchen • Covered porch
$1,747,000
4 beds4 baths5,065 sq ft
2 Watkins Ln, Southborough, MA 01772
Landscaped lot • Sun-filled kitchen • Four-season sunroom
$1,595,000
5 beds2.5 baths3,650 sq ft
6 Warburton Ln, Westborough, MA 01581
Inground heated pool • Granite countertops • Formal dining room
VIDEO TOUR
$989,000
4 beds3.5 baths4,004 sq ft
160 Stearns Rd, Marlborough, MA 01752
Two story foyer • Butler's pantry • Finished lower level

New listings for sale in 01772

COMING SOON
$665,000
3 beds2 baths1,788 sq ft
8 Pearl St, Southborough, MA 01772
Historic home • Thoughtful updates • Expanded footprint
$639,999
2 beds2.5 baths1,950 sq ft
50 William Onthank Ln #50, Southborough, MA 01772
Cul-de-sac • Open layout • Hardwood floors

Home values near 12 Flagg Rd

Data from public records.

More real estate resources

Thompson homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.