Off Market Apr 2010 for $350K

$683,315

•

1,109

sq ft

23 Radio Rd, Groton, MA 01450

About this home

You'll love this picture-perfect waterfront home on Knop's Pond/Lost Lake. Sited on a peninsula with 285ft of shoreline, offering a boat launch, 2 docks, seawall, and sandy bottom water. This one-level home boasts a sunny kitchen with tile counters and a slate floor, a large fireplaced living room and a 4-season sunroom, 400 sqft of decks with views. Enjoy all seasons, and canoe, kayak, sail, swim, water ski, jet ski, cross-country ski, snowmobile, and fish. Think about the Tax Credit Programs.

Single-familyProperty Type

1964Year Built

0.5 acresLot Size

$616Est. Price/Sq.Ft.

4 spacesParking

Listed by Kristin Kramer • EXIT Assurance Realty

Bought with Kristin Kramer • EXIT Assurance Realty

Redfin checked: a minute ago

•Source:MLS PIN #71042509

Redfin Estimate

$683,315

$333K since sold in April 2010$2,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 23.6% higher than the average sale price ($553K) of 6 comparable homes.

SOLD AUG 19, 2026
$669,000
A
3 beds2 baths1,660 sq ft
34 Nashoba Trl, Littleton, MA 01460
SOLD AUG 10, 2026
$390,000
B
3 beds1 bath1,002 sq ft
56 Sunset Rd, Groton, MA 01450
SOLD JUL 15, 2026
$540,000
C
3 beds1 bath1,750 sq ft
11 West St, Westford, MA 01886
SOLD AUG 4, 2026
$535,000
D
2 beds1.5 baths1,257 sq ft
25 Whitney Pond Rd, Groton, MA 01450
SOLD AUG 11, 2026
$560,000
E
3 beds1 bath1,537 sq ft
132 Oak Ridge Dr, Ayer, MA 01432
SOLD JUN 17, 2026
$624,000
F
3 beds1.5 baths1,632 sq ft
21 Valley, Groton, MA 01450

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Earn from this home

Sell

$481,450

Est. take-home

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Rent

$2,421/mo

Redfin rental estimate

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Market trends in 01450, MA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.1%

1.3% MoM

Median sale price

$875K

$30K MoM

Avg. days on market

27d

5 days MoM

Recently sold homes

2 MoM

New listings for sale

NEW 25 HRS AGO
$749,900
2 beds1.5 baths1,872 sq ft
43 Arrow Trl, Groton, MA 01450
OPEN SAT, 1:30PM TO 3:30PM
$1,689,900
4 beds3.5 baths3,835 sq ft
1 Maple Ave, Groton, MA 01450
$798,000
4 beds2.5 baths2,306 sq ft
10 Fairway Dr, Groton, MA 01450
OPEN THU, 12PM TO 1PM
$995,000
4 beds3 baths2,550 sq ft
138 Sand Hill Rd, Groton, MA 01450
$1,395,000
5 beds2.5 baths4,276 sq ft
78 Duck Pond Dr, Groton, MA 01450
EARLY ACCESS
Unknown
4 beds3 baths2,907 sq ft
149 Pepperell Rd, Groton, MA 01450
See all

Provided by Redfin

Sale history for 23 Radio Rd

Year

Property tax

Land + Additions

Assessment*

2026

$9,579 (+10.1%)

$390,700 + $257,400

$648,100

2025

$8,700 (+8.3%)

$334,900 + $235,600

$570,500

2024

$8,034 (+3.1%)

$334,900 + $197,500

$532,400

2023

$7,792 (+7.1%)

$325,600 + $172,600

$498,200

2022

$7,278 (+6.9%)

$275,200 + $148,200

$423,400

2021

$6,806 (+7.4%)

$249,500 + $137,200

$386,700

2020

$6,335 (+4.6%)

$249,500 + $115,000

$364,500

2019

$6,056 (+1.4%)

$234,300 + $100,100

$334,400

2018

$5,973 (+0.5%)

$226,800 + $93,100

$319,900

2017

$5,942 (+1.7%)

$226,800 + $98,600

$325,400

2016

$5,844 (+2.8%)

$219,000 + $92,200

$311,200

2015

$5,686 (+5.1%)

$219,000 + $92,200

$311,200

2014

$5,409 (+4.0%)

$219,000 + $92,200

$311,200

2013

$5,200 (+2.6%)

$211,500 + $97,100

$308,600

2012

$5,067 (+7.5%)

$218,000 + $97,100

$315,100

2011

$4,714 (+6.5%)

$210,200 + $77,600

$287,800

2010

$4,428 (−1.3%)

$210,600 + $70,000

$280,600

2009

$4,488

$238,600 + $74,800

$313,400

Tax history for 23 Radio Rd

Year

Property tax

Land + Additions

Assessment*

2026

$9,579 (+10.1%)

$390,700 + $257,400

$648,100

2025

$8,700 (+8.3%)

$334,900 + $235,600

$570,500

2024

$8,034 (+3.1%)

$334,900 + $197,500

$532,400

2023

$7,792 (+7.1%)

$325,600 + $172,600

$498,200

2022

$7,278 (+6.9%)

$275,200 + $148,200

$423,400

2021

$6,806 (+7.4%)

$249,500 + $137,200

$386,700

2020

$6,335 (+4.6%)

$249,500 + $115,000

$364,500

2019

$6,056 (+1.4%)

$234,300 + $100,100

$334,400

2018

$5,973 (+0.5%)

$226,800 + $93,100

$319,900

2017

$5,942 (+1.7%)

$226,800 + $98,600

$325,400

2016

$5,844 (+2.8%)

$219,000 + $92,200

$311,200

2015

$5,686 (+5.1%)

$219,000 + $92,200

$311,200

2014

$5,409 (+4.0%)

$219,000 + $92,200

$311,200

2013

$5,200 (+2.6%)

$211,500 + $97,100

$308,600

2012

$5,067 (+7.5%)

$218,000 + $97,100

$315,100

2011

$4,714 (+6.5%)

$210,200 + $77,600

$287,800

2010

$4,428 (−1.3%)

$210,600 + $70,000

$280,600

2009

$4,488

$238,600 + $74,800

$313,400

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

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.5 Acres

Year renovated

—

Sq. Ft.

1,109

Year built

1964

Style

Single Family Residential

County

Middlesex County

APN

398134S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 10, 2026.

Property details

Parking

Parking Information
Parking Spaces: 4
Parking Features: Off Street

Interior

Master Bedroom Information
Area: 108
Length: 12
Width: 9
Level: First
Features: Flooring - Hardwood

Bedroom #2 Information
Area: 108
Length: 12
Width: 9
Level: First
Features: Flooring - Hardwood

Bedroom #3 Information
Area: 64
Length: 8
Width: 8
Level: First
Features: Flooring - Hardwood

Bathroom Information
# of Bathrooms (Full): 1

Bathroom #1 Information
Area: 48
Length: 8
Width: 6
Level: First

Living Room Information
Area: 176
Length: 16
Width: 11
Level: First
Features: Flooring - Hardwood

Dining Room Information
Area: 99
Length: 11
Width: 9
Level: First
Features: Flooring - Hardwood

Kitchen Information
Area: 96
Length: 12
Width: 8
Level: First

Basement Information
Basement: Crawl Space

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 1
Fireplace Features: Living Room

Interior Features
# of Rooms (Total): 7
Door Features: Insulated Doors, Storm Door(s)
Window Features: Screens
Flooring: Wood, Vinyl, Carpet, Other, Flooring - Wall to Wall Carpet
Interior Features: Sun Room

Exterior

Building Information
Building Area (Total): 1,109
Foundation Details: Block
Construction Materials: Frame, Brick
Year Built Source: Public Records
Year Built Details: Actual
Color: Brick/Whit

Exterior Features
Roof: Shingle
Patio And Porch Features: Deck
Exterior Features: Deck, Rain Gutters, Professional Landscaping, Screens

Property Information
PropertySubType: Single Family Residence

Lot Information
Lot Size (Acres): 0.5
Lot Features: Wooded
WaterfrontYN: Yes
Frontage Length: 150
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $4,488
Tax Year: 2009

Utilities

Utility Information
Utilities: for Gas Range
Sewer: Private Sewer, Private Sewerage
Water Source: Private, Private Water
Electric: 220 Volts

Heating & Cooling
Has Heating
Has Cooling
Heating: Forced Air, Propane
Cooling: Central Air

Location

HOA Information
Has Association
Association Fee: $25
Homeowners Association Membership Not Required

Location Information
Directions: Lost Lake Rd. or Whiley Rd, to Shenandoah Rd, to Weymisset Rd, to Radio Rd.
UnparsedAddress: 23 Radio Road, Groton MA 01450

Community Information
Senior CommunityYN: No
Community Features: Shopping, Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Conservation Area

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,109
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: —
County: Middlesex County
APN: 398134S

Home facts updated by county records on Sep 10, 2026

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

Around this home

Schools

Florence Roche School

Public K-4 • Assigned • 3.3mi

8/10

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 3.4mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 4.2mi

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, 14 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

$650,000 – $786,000

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Nearby similar homes

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New listings for sale in 01450

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OPEN SAT, 1:30PM TO 3:30PM

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EARLY ACCESSCOMPASS COMING SOON

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Home values near 23 Radio Rd

Data from public records.

Address	Redfin Estimate
26 Radio Road, Groton, MA 3 Beds \| 2 Baths \| 3032 Sq. Ft.	$784,771
2 Island Road, Groton, MA 3 Beds \| 1.5 Baths \| 1288 Sq. Ft.	$771,972

Address	Redfin Estimate
1 Radio Road, Groton, MA 2 Beds \| 1 Baths \| 648 Sq. Ft.	$425,565
8 Weymisset Road, Groton, MA 3 Beds \| 2.5 Baths \| 2087 Sq. Ft.	$1,073,244

Address	Redfin Estimate
71 Shenandoah Road, Groton, MA 4 Beds \| 2.5 Baths \| 3064 Sq. Ft.	$1,230,948
14 Island Road, Groton, MA 2 Beds \| 2 Baths \| 1512 Sq. Ft.	$780,283

Property information provided by MLS PIN when last listed in 2010. This data may not match . Learn more.

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