Google street view image for 323 Main St, Groton, MA 01450

Off market oct 1999 for $250K

$648,203

Est. refi paymentEst. refi $1,863/mo

•

1.5 ba

•

1,666

sq ft

323 Main St, Groton, MA 01450

About this home

323 Main St is a 1,666 square foot house on a 4.7 acre lot with 2 bedrooms and 1.5 bathrooms. - it last sold on October 22, 1999 for $250,000. Based on Redfin's Groton data, we estimate the home's value is $648,203.

Single-familyProperty Type

1780Year Built

4.7 acresLot Size

$389Est. Price/Sq.Ft.

2 garage spacesParking

Source:Public Records

Redfin Estimate

$648,203

$398K since sold in October 1999$4,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.4% higher than the average sale price ($603K) of 6 comparable homes.

SOLD JUN 1, 2026
$485,000
A
3 beds1 bath1,128 sq ft
4 Vernon St, Ayer, MA 01432
SOLD SEP 24, 2026
$530,000
B
3 beds1 bath1,104 sq ft
204 Hill Rd, Groton, MA 01450
SOLD JUL 9, 2026
$700,000
C
3 beds2 baths1,817 sq ft
371 Longley Rd, Groton, MA 01450
SOLD SEP 1, 2026
$675,000
D
3 beds2.5 baths1,670 sq ft
185 Hollis St, Groton, MA 01450
SOLD JUL 7, 2026
$700,000
E
3 beds2 baths1,421 sq ft
186 Common St, Groton, MA 01450
SOLD JUL 22, 2026
$530,000
F
3 beds1 bath1,224 sq ft
16 Douglas Dr, Ayer, MA 01432

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Earn from this home

Sell

$582,078

Est. take-home

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Refinance

Est. cash available

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Rent

$2,667/mo

Redfin rental estimate

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Market trends in 01450, MA

Last updated September 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

OPEN SUN, 11AM TO 1PM
$1,150,000
4 beds4.5 baths3,600 sq ft
27-A Blacksmith Row #27, Groton, MA 01450
OPEN SUN, 11:30AM TO 1PM
$899,000
4 beds2.5 baths3,531 sq ft
140 Paquawket Path, Groton, MA 01450
$549,999
3 beds2 baths1,332 sq ft
15 Court St Unit B, Groton, MA 01450
OPEN TODAY, 12PM TO 1:30PM
$1,250,000
5 beds3 baths3,241 sq ft
163 Indian Hill Rd, Groton, MA 01450
See all

Provided by Redfin

Sale history for 323 Main St

Year

Property tax

Land + Additions

Assessment*

2026

$8,266 (+5.6%)

$335,900 + $223,400

$559,300

2025

$7,828 (+4.0%)

$321,600 + $191,700

$513,300

2024

$7,524 (+1.5%)

$321,600 + $177,000

$498,600

2023

$7,410 (+3.6%)

$316,900 + $156,900

$473,800

2022

$7,154 (+7.0%)

$297,100 + $119,100

$416,200

2021

$6,688 (+0.3%)

$263,400 + $116,600

$380,000

2020

$6,669 (−5.9%)

$269,000 + $114,700

$383,700

2019

$7,085 (+2.7%)

$269,000 + $122,200

$391,200

2018

$6,900 (−3.4%)

$269,000 + $100,600

$369,600

2017

$7,143 (+11.4%)

$269,000 + $122,200

$391,200

2016

$6,410 (+2.8%)

$235,100 + $106,200

$341,300

2015

$6,236 (+5.1%)

$235,100 + $106,200

$341,300

2014

$5,932 (+3.1%)

$235,100 + $106,200

$341,300

2013

$5,751 (+2.8%)

$235,100 + $106,200

$341,300

2012

$5,596 (−1.1%)

$241,800 + $106,200

$348,000

2011

$5,661 (+8.1%)

$241,800 + $103,800

$345,600

2010

$5,236 (−13.2%)

$243,200 + $88,600

$331,800

2009

$6,032

$258,900 + $162,300

$421,200

Tax history for 323 Main St

Year

Property tax

Land + Additions

Assessment*

2026

$8,266 (+5.6%)

$335,900 + $223,400

$559,300

2025

$7,828 (+4.0%)

$321,600 + $191,700

$513,300

2024

$7,524 (+1.5%)

$321,600 + $177,000

$498,600

2023

$7,410 (+3.6%)

$316,900 + $156,900

$473,800

2022

$7,154 (+7.0%)

$297,100 + $119,100

$416,200

2021

$6,688 (+0.3%)

$263,400 + $116,600

$380,000

2020

$6,669 (−5.9%)

$269,000 + $114,700

$383,700

2019

$7,085 (+2.7%)

$269,000 + $122,200

$391,200

2018

$6,900 (−3.4%)

$269,000 + $100,600

$369,600

2017

$7,143 (+11.4%)

$269,000 + $122,200

$391,200

2016

$6,410 (+2.8%)

$235,100 + $106,200

$341,300

2015

$6,236 (+5.1%)

$235,100 + $106,200

$341,300

2014

$5,932 (+3.1%)

$235,100 + $106,200

$341,300

2013

$5,751 (+2.8%)

$235,100 + $106,200

$341,300

2012

$5,596 (−1.1%)

$241,800 + $106,200

$348,000

2011

$5,661 (+8.1%)

$241,800 + $103,800

$345,600

2010

$5,236 (−13.2%)

$243,200 + $88,600

$331,800

2009

$6,032

$258,900 + $162,300

$421,200

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

Permits

Nov 15, 2023 • Active

Additions/alterations

Addition

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Basement Information
Basement Sq. Ft: 408

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

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 5

Exterior

Exterior Information
Physical Condition: Fair
Building Style Type: Antique/Historic
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 1,666
Gross Sq. Ft: 3,192
Ground Floor Sq. Ft: 792
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 204,732
Municipality Name: GROTON
Acres: 4.7
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 1.5
Sq. Ft.: 1,666
Stories: 2.0
Lot Size: 4.7 acres
Style: Single Family Residential
Year Built: 1780
Year Renovated: —
County: Middlesex County
APN: 3748855S

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

Florence Roche School

Public K-4 • Assigned • 0.2mi

8/10

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 0.2mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 3.2mi

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, 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

$616,000 – $746,000

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New listings for sale in 01450

OPEN SUN, 11AM TO 1PM

$1,150,000

4 beds4.5 baths3,600 sq ft

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

OPEN SUN, 11:30AM TO 1PM

$899,000

4 beds2.5 baths3,531 sq ft

140 Paquawket Path, Groton, MA 01450

$549,999

3 beds2 baths1,332 sq ft

15 Court St Unit B, Groton, MA 01450

OPEN TODAY, 12PM TO 1:30PM

$1,250,000

5 beds3 baths3,241 sq ft

163 Indian Hill Rd, Groton, MA 01450

Home values near 323 Main St

Data from public records.

Address	Redfin Estimate
335 Main St, Groton, MA 5 Beds \| 1.5 Baths \| - Sq. Ft.	$724,717
356 Main St, Groton, MA 5 Beds \| 2 Baths \| 2800 Sq. Ft.	$842,106

Address	Redfin Estimate
329 Main St, Groton, MA 2 Beds \| 1.5 Baths \| 1253 Sq. Ft.	$628,767
305 Main St, Groton, MA 2 Beds \| 2 Baths \| 1276 Sq. Ft.	$610,282

Address	Redfin Estimate
297 Main St Apartment A, Groton, MA 4 Beds \| 4.5 Baths \| 1884 Sq. Ft.	$765,833
311 Main St, Groton, MA 3 Beds \| 2.5 Baths \| 2268 Sq. Ft.	$829,662

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