Off market sep 2009 for $165K

$438,532

•

1,423

sq ft

523B Main St Unit B, Groton, MA 01450

About this home

CondoProperty Type

2007Year Built

$308Est. Price/Sq.Ft.

80 spacesParking

Listed by Elisabeth Holwech • CENTURY 21 Nashoba Associates

Bought with Julia Wang • Home Harmony Realty

Redfin checked: a minute ago

•Source:MLS PIN #70941697

Redfin Estimate

$438,532

$274K since sold in September 2009$8,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 18.2% lower than the average sale price ($536K) of 6 comparable homes.

SOLD OCT 14, 2026
$590,000
A
2 beds2 baths1,305 sq ft
307 Autumn Ridge Dr #307, Ayer, MA 01432
SOLD AUG 24, 2026
$420,000
B
2 beds1.5 baths1,404 sq ft
26 Bradley Dr Unit C, Groton, MA 01450
SOLD JUL 31, 2026
$590,000
C
2 beds2 baths1,318 sq ft
606 Autumn Ridge Dr #606, Ayer, MA 01432
SOLD OCT 2, 2026
$725,000
D
3 beds2 baths1,582 sq ft
42 Diamondback Ave, Nashua, NH 03062
SOLD MAY 6, 2026
$425,000
E
2 beds2 baths1,092 sq ft
519 Main St Unit D, Groton, MA 01450
SOLD MAY 1, 2026
$467,000
F
2 beds1.5 baths1,404 sq ft
8 Bradley Dr Unit A, Groton, MA 01450

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Earn from this home

Sell

$339,798

Est. take-home

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Rent

$2,661/mo

Redfin rental estimate

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Market trends in 01450, MA

Last updated October 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 NOV 7, 11AM TO 1PM
$489,900
3 beds2 baths1,736 sq ft
9 Valley Rd, Groton, MA 01450
OPEN TODAY, 11AM TO 1PM
$729,000
3 beds2.5 baths1,868 sq ft
716 Martins Pond Rd, Groton, MA 01450
$675,000
4 beds1.5 baths2,448 sq ft
7 Shepley St, Groton, MA 01450
See all

Provided by Redfin

Sale history for 523B Main St Unit B

Year

Property tax

Land + Additions

Assessment*

2025

$5,830 (+22.8%)

$382,300

2024

$4,746 (+0.6%)

$314,500

2023

$4,717 (+3.6%)

$301,600

2022

$4,554 (−1.7%)

$264,900

2021

$4,634 (+21.4%)

$263,300

2020

$3,818 (+12.6%)

$219,700

2019

$3,390 (−3.0%)

$187,200

2018

$3,495 (+2.3%)

$187,200

2017

$3,418 (−5.8%)

$187,200

2016

$3,630 (+4.9%)

$193,300

2015

$3,459 (+5.1%)

$189,300

2014

$3,290 (+3.1%)

$189,300

2013

$3,190 (+4.8%)

$189,300

2012

$3,044 (+16.2%)

$189,300

2011

$2,619 (−19.4%)

$159,900

2010

$3,248 (−27.5%)

$205,800

2009

$4,479

$312,800

Tax history for 523B Main St Unit B

Year

Property tax

Land + Additions

Assessment*

2025

$5,830 (+22.8%)

$382,300

2024

$4,746 (+0.6%)

$314,500

2023

$4,717 (+3.6%)

$301,600

2022

$4,554 (−1.7%)

$264,900

2021

$4,634 (+21.4%)

$263,300

2020

$3,818 (+12.6%)

$219,700

2019

$3,390 (−3.0%)

$187,200

2018

$3,495 (+2.3%)

$187,200

2017

$3,418 (−5.8%)

$187,200

2016

$3,630 (+4.9%)

$193,300

2015

$3,459 (+5.1%)

$189,300

2014

$3,290 (+3.1%)

$189,300

2013

$3,190 (+4.8%)

$189,300

2012

$3,044 (+16.2%)

$189,300

2011

$2,619 (−19.4%)

$159,900

2010

$3,248 (−27.5%)

$205,800

2009

$4,479

$312,800

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

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

1,412

Year built

2006

Style

Condo/Co-op

County

Middlesex County

APN

4681835

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 16, 2026.

Property details

Parking

Parking Information
Parking Spaces: 80
Parking Features: Off Street

Interior

Master Bedroom Information
Area: 168
Length: 14
Width: 12
Level: First
Features: Bathroom - Full,Walk-In Closet(s),Balcony / Deck

Bedroom #2 Information
Area: 168
Length: 14
Width: 12
Level: First

Bedroom #3 Information
Area: 144
Length: 12
Width: 12
Level: First

Bathroom Information
# of Bathrooms (Full): 2
Master Bathroom Features: Yes

Living Room Information
Area: 240
Length: 16
Width: 15
Level: First

Dining Room Information
Area: 132
Length: 12
Width: 11
Level: First

Kitchen Information
Area: 100
Length: 10
Width: 10
Level: First

Basement Information
Basement: N

Laundry Information
Laundry Features: Electric Dryer Hookup, Washer Hookup

Interior Features
# of Rooms (Total): 5
Flooring: Vinyl, Carpet

Exterior

Building Information
Building Name: Groton Residential Gardens
Building Area (Total): 1,423
Construction Materials: Frame
StructureType: Garden, Low-Rise
Stories (Total): 1
Year Built Source: Builder
Year Built Details: Actual,Finished, Never Occupied
Lead Paint: None

Exterior Features
Roof: Shingle
Patio And Porch Features: Deck
Exterior Features: Deck

Property Information
PropertySubType: Condominium
Common Walls: End Unit
Entry Level: 1

Financial

Tax Information
Tax Year: 2009

Utilities

Utility Information
Utilities: for Electric Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public, City/Town Water, City/Town Sewer
Electric: 110 Volts

Heating & Cooling
Has Heating
Has Cooling
Heating: Central, Natural Gas
Cooling: Central Air

Location

HOA Information
Association Fee: $180
Association Fee Includes: Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal

Location Information
Directions: Main Street is Route 119
UnparsedAddress: 523B Main Street # B, Groton MA 01450

Community Information
Senior CommunityYN: No
Community Features: Walk/Jog Trails, Medical Facility

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,412
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2006
Year Renovated: —
County: Middlesex County
APN: 4681835

Home facts updated by county records on Jul 16, 2026

Other

Listing Information
StandardStatus: Closed

Around this home

Schools

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 0.6mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 3.1mi

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

4/10 Fire Factor

1% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 96° expected this year, 16 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

$417,000 – $505,000

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OPEN NOV 7, 11AM TO 1PM

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9 Valley Rd, Groton, MA 01450

Lower level living • Bonus family room • Walk in closet

OPEN TODAY, 11AM TO 1PM

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Oversized corner lot • Sun filled yard • Mature trees

Home values near 523B Main St Unit B

Data from public records.

Address	Redfin Estimate
519 Main Street Unit A, Groton, MA 3 Beds \| 2 Baths \| 1425 Sq. Ft.	$442,595
511 Main Street Unit C, Groton, MA 2 Beds \| 2 Baths \| 1092 Sq. Ft.	$354,342

Address	Redfin Estimate
511 Main Street Unit A, Groton, MA 2 Beds \| 2 Baths \| 1068 Sq. Ft.	$370,062
511 Main Street Unit D, Groton, MA 2 Beds \| 2 Baths \| 1164 Sq. Ft.	$368,019

Address	Redfin Estimate
511 Main Street Unit B, Groton, MA 3 Beds \| 2 Baths \| 1412 Sq. Ft.	$461,999
523 Main Street Unit A, Groton, MA 2 Beds \| 2 Baths \| 1118 Sq. Ft.	$277,344

Property information provided by MLS PIN when last listed in 2009. This data may not match . Learn more.

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