Google street view image for 505 Old Dunstable Rd, Groton, MA 01450

Off market oct 2002 for $519K

$989,194

Est. refi paymentEst. refi $3,006/mo

•

2.5 ba

•

3,280

sq ft

505 Old Dunstable Rd, Groton, MA 01450

About this home

505 Old Dunstable Rd is a 3,280 square foot house on a 1.88 acre lot with 4 bedrooms and 2.5 bathrooms. - it last sold on October 15, 2002 for $519,900. Based on Redfin's Groton data, we estimate the home's value is $989,194.

Single-familyProperty Type

2002Year Built

1.88 acresLot Size

$302Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$989,194

$469K since sold in October 2002$5,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.6% higher than the average sale price ($964K) of 6 comparable homes.

SOLD OCT 6, 2026
$960,000
A
4 beds2.5 baths2,826 sq ft
711 Chicopee Row, Groton, MA 01450
SOLD AUG 3, 2026
$1,000,000
B
4 beds2.5 baths3,275 sq ft
338 Cow Pond Brook Rd, Groton, MA 01450
SOLD AUG 31, 2026
$903,500
C
4 beds2.5 baths3,200 sq ft
2 Montana Dr, Tyngsboro, MA 01879
SOLD JUN 25, 2026
$1,075,000
D
4 beds2.5 baths3,734 sq ft
515 Old Dunstable Rd, Groton, MA 01450
SOLD AUG 13, 2026
$850,000
E
4 beds2.5 baths2,904 sq ft
15 Hillcrest Dr, Tyngsboro, MA 01879
BOUGHT WITH REDFIN JUN 18, 2026
$995,000
F
4 beds2.5 baths3,208 sq ft
37 Allens Trl, Groton, MA 01450

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

Earn from this home

Sell

$812,170

Est. take-home

List your home with Redfin and save $4,946

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,688/mo

Redfin rental estimate

List your home for rent

Market trends in 01450, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.5%

+0.4% MoM

Median sale price

$851K

$24K MoM

Avg. days on market

27d

0 days MoM

Recently sold homes

11 MoM

New listings for sale

OPEN SAT, 10AM TO 12PM
$425,000
3 beds1.5 baths2,015 sq ft
79 Kemp Unit A, Groton, MA 01450
$1,150,000
4 beds4.5 baths3,600 sq ft
27-A Blacksmith Row #27, Groton, MA 01450
$879,000
4 beds2.5 baths3,531 sq ft
140 Paquawket Path, Groton, MA 01450
See all

Provided by Redfin

Sale history for 505 Old Dunstable Rd

Year

Property tax

Land + Additions

Assessment*

2026

$13,296 (+2.6%)

$243,500 + $656,100

$899,600

2025

$12,958 (+0.6%)

$232,300 + $617,400

$849,700

2024

$12,875 (+6.4%)

$232,300 + $620,900

$853,200

2023

$12,102 (+7.4%)

$232,300 + $541,500

$773,800

2022

$11,266 (−1.4%)

$208,300 + $447,100

$655,400

2021

$11,431 (+2.1%)

$197,700 + $451,800

$649,500

2020

$11,200 (+8.3%)

$197,700 + $446,700

$644,400

2019

$10,346 (+1.1%)

$188,300 + $383,000

$571,300

2018

$10,235 (+2.2%)

$188,300 + $359,900

$548,200

2017

$10,010 (+3.1%)

$188,300 + $359,900

$548,200

2016

$9,706 (+2.8%)

$177,100 + $339,700

$516,800

2015

$9,442 (+5.1%)

$177,100 + $339,700

$516,800

2014

$8,982 (+3.1%)

$177,100 + $339,700

$516,800

2013

$8,708 (+3.7%)

$177,100 + $339,700

$516,800

2012

$8,400 (−1.8%)

$182,700 + $339,700

$522,400

2011

$8,557 (+1.1%)

$182,700 + $339,700

$522,400

2010

$8,460 (+2.9%)

$198,100 + $338,000

$536,100

2009

$8,224

$236,300 + $338,000

$574,300

Tax history for 505 Old Dunstable Rd

Year

Property tax

Land + Additions

Assessment*

2026

$13,296 (+2.6%)

$243,500 + $656,100

$899,600

2025

$12,958 (+0.6%)

$232,300 + $617,400

$849,700

2024

$12,875 (+6.4%)

$232,300 + $620,900

$853,200

2023

$12,102 (+7.4%)

$232,300 + $541,500

$773,800

2022

$11,266 (−1.4%)

$208,300 + $447,100

$655,400

2021

$11,431 (+2.1%)

$197,700 + $451,800

$649,500

2020

$11,200 (+8.3%)

$197,700 + $446,700

$644,400

2019

$10,346 (+1.1%)

$188,300 + $383,000

$571,300

2018

$10,235 (+2.2%)

$188,300 + $359,900

$548,200

2017

$10,010 (+3.1%)

$188,300 + $359,900

$548,200

2016

$9,706 (+2.8%)

$177,100 + $339,700

$516,800

2015

$9,442 (+5.1%)

$177,100 + $339,700

$516,800

2014

$8,982 (+3.1%)

$177,100 + $339,700

$516,800

2013

$8,708 (+3.7%)

$177,100 + $339,700

$516,800

2012

$8,400 (−1.8%)

$182,700 + $339,700

$522,400

2011

$8,557 (+1.1%)

$182,700 + $339,700

$522,400

2010

$8,460 (+2.9%)

$198,100 + $338,000

$536,100

2009

$8,224

$236,300 + $338,000

$574,300

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

Property details

Interior

Basement Information
Basement Sq. Ft: 1,771

Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Colonial
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Subdivision Name: GROTON
Living Sq. Ft: 3,280
Gross Sq. Ft: 6,942
Ground Floor Sq. Ft: 1,427
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 81,893
Municipality Name: GROTON
Acres: 1.88
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 3,280
Stories: 2.0
Lot Size: 1.88 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: —
County: Middlesex County
APN: 2676595S

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

Swallow/Union School

Public K-4 • Assigned • 3.0mi

9/10

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 3.8mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 2.0mi

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

3/10 Fire Factor

0.62% chance of being 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, 1 days in 30 years

Provided by First Street

Historical weather

Groton, MA • 01450

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$940,000 – $1.14M

Reach more buyers when you sell with Redfin. Save up to $9,892 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

NEW 33 HRS AGO

$1,330,000

4 beds3.5 baths2,982 sq ft

4 Violet Way, Westford, MA 01886

$699,900

2 beds1 bath869 sq ft

1 Summer Village Rd, Westford, MA 01886

$1,345,000

5 beds2.5 baths4,276 sq ft

78 Duck Pond Dr, Groton, MA 01450

$879,000

4 beds2.5 baths3,531 sq ft

140 Paquawket Path, Groton, MA 01450

NEW CONSTRUCTION

$1,299,000

4 beds2.5 baths2,954 sq ft

15 Unkety Brook Way, Dunstable, MA 01827

$589,999

3 beds2 baths2,357 sq ft

8 Haskell Rd, Pepperell, MA 01463

New listings for sale in 01450

OPEN SAT, 10AM TO 12PM

$425,000

3 beds1.5 baths2,015 sq ft

79 Kemp Unit A, Groton, MA 01450

$1,150,000

4 beds4.5 baths3,600 sq ft

27-A Blacksmith Row #27, Groton, MA 01450

$879,000

4 beds2.5 baths3,531 sq ft

140 Paquawket Path, Groton, MA 01450

Home values near 505 Old Dunstable Rd

Data from public records.

Address	Redfin Estimate
530 Old Dunstable Rd, Groton, MA 4 Beds \| 2.5 Baths \| 2940 Sq. Ft.	$1,038,740
450 Old Dunstable Rd, Groton, MA 4 Beds \| 3 Baths \| 3700 Sq. Ft.	$1,106,938

Address	Redfin Estimate
566 Old Dunstable Rd, Groton, MA 4 Beds \| 1.5 Baths \| 1568 Sq. Ft.	$713,113
486 Old Dunstable Rd, Groton, MA 4 Beds \| 3 Baths \| 2973 Sq. Ft.	$871,240

Address	Redfin Estimate
551 Old Dunstable Rd, Groton, MA 4 Beds \| 1.5 Baths \| 2136 Sq. Ft.	$737,394
535 Old Dunstable Rd, Groton, MA 3 Beds \| 1 Baths \| 1724 Sq. Ft.	$645,484

More real estate resources

Zip Codes
Minor Civil Divisions
Cities
Neighborhoods
Popular Searches

01886 homes for sale
01463 homes for sale
01464 homes for sale
01432 homes for sale
01450 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

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

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.

Hollis homes for sale
Bedford homes for sale
Pelham homes for sale
Windham homes for sale
Merrimack homes for sale

Houses for rent in Groton	Agents near me	Quincy, MA homes for sale	Groton Housing Market
Houses for sale near me	Boston, MA homes for sale	Brookline, MA homes for sale
Land for sale near me	Newton, MA homes for sale	Arlington, MA homes for sale
Open Houses near me	Cambridge, MA homes for sale	Groton Property Records
Condos for sale near me	Lexington, MA homes for sale	MA New Listings

Waltham homes for sale
Nashua homes for sale
Lexington homes for sale

Babbatasset Village homes for sale
West Groton homes for sale