Google street view image for 21 Longfellow Rd, Groton, MA 01450

Off market nov 1992 for $126K

$602,026

Est. refi paymentEst. refi $806/mo

•

2 ba

•

1,632

sq ft

21 Longfellow Rd, Groton, MA 01450

About this home

21 Longfellow Rd is a 1,632 square foot house on a 10,019 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on November 27, 1992 for $126,000. Based on Redfin's Groton data, we estimate the home's value is $602,026.

Single-familyProperty Type

1992Year Built

10,019 sq ftLot Size

$369Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$602,026

$476K since sold in November 1992$7,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15.4% lower than the average sale price ($712K) of 6 comparable homes.

SOLD JUN 17, 2026
$624,000
A
3 beds1.5 baths1,632 sq ft
21 Valley, Groton, MA 01450
SOLD SEP 21, 2026
$720,000
B
3 beds2 baths1,977 sq ft
6 Abbot St, Westford, MA 01886
BOUGHT WITH REDFIN AUG 21, 2026
$700,000
C
4 beds2 baths1,928 sq ft
15 Pine Grove Rd, Westford, MA 01886
SOLD SEP 10, 2026
$757,400
D
4 beds2 baths1,814 sq ft
148 Lost Lake Dr, Groton, MA 01450
SOLD AUG 19, 2026
$669,000
E
3 beds2 baths1,660 sq ft
34 Nashoba Trl, Littleton, MA 01460
SOLD JUL 29, 2026
$800,000
F
3 beds2.5 baths2,053 sq ft
561 Old Dunstable Rd, Groton, MA 01450

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Earn from this home

Sell

$571,190

Est. take-home

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Est. cash available

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Rent

$2,984/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 SAT, 1:30PM TO 3PM
$505,000
3 beds1 bath1,112 sq ft
26 Forge Village Rd, Groton, MA 01450
OPEN SAT, 10:30AM TO 12:30PM
$450,000
2 beds1 bath1,188 sq ft
177 Hollis St, Groton, MA 01450
OPEN SAT, 11AM TO 1PM
$489,900
3 beds2 baths1,736 sq ft
9 Valley Rd, Groton, MA 01450
$729,000
3 beds2.5 baths1,868 sq ft
716 Martins Pond Rd, Groton, MA 01450
See all

Provided by Redfin

Sale history for 21 Longfellow Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,421 (+6.8%)

$190,100 + $312,000

$502,100

2025

$6,951 (+2.2%)

$162,100 + $293,700

$455,800

2024

$6,803 (+3.1%)

$162,100 + $288,700

$450,800

2023

$6,599 (+7.9%)

$162,100 + $259,800

$421,900

2022

$6,114 (+2.1%)

$142,500 + $213,200

$355,700

2021

$5,986 (+9.7%)

$134,300 + $205,800

$340,100

2020

$5,459 (+1.0%)

$125,300 + $188,800

$314,100

2019

$5,406 (+3.8%)

$125,300 + $173,200

$298,500

2018

$5,207 (+5.1%)

$134,300 + $144,600

$278,900

2017

$4,952 (−3.3%)

$126,600 + $144,600

$271,200

2016

$5,119 (+2.8%)

$127,900 + $144,700

$272,600

2015

$4,980 (+5.1%)

$127,900 + $144,700

$272,600

2014

$4,738 (+0.8%)

$127,900 + $144,700

$272,600

2013

$4,699 (+3.2%)

$134,300 + $144,600

$278,900

2012

$4,552 (+0.5%)

$138,500 + $144,600

$283,100

2011

$4,529 (−1.9%)

$131,900 + $144,600

$276,500

2010

$4,616 (+3.4%)

$141,300 + $151,200

$292,500

2009

$4,465

$160,600 + $151,200

$311,800

Tax history for 21 Longfellow Rd

Year

Property tax

Land + Additions

Assessment*

2026

$7,421 (+6.8%)

$190,100 + $312,000

$502,100

2025

$6,951 (+2.2%)

$162,100 + $293,700

$455,800

2024

$6,803 (+3.1%)

$162,100 + $288,700

$450,800

2023

$6,599 (+7.9%)

$162,100 + $259,800

$421,900

2022

$6,114 (+2.1%)

$142,500 + $213,200

$355,700

2021

$5,986 (+9.7%)

$134,300 + $205,800

$340,100

2020

$5,459 (+1.0%)

$125,300 + $188,800

$314,100

2019

$5,406 (+3.8%)

$125,300 + $173,200

$298,500

2018

$5,207 (+5.1%)

$134,300 + $144,600

$278,900

2017

$4,952 (−3.3%)

$126,600 + $144,600

$271,200

2016

$5,119 (+2.8%)

$127,900 + $144,700

$272,600

2015

$4,980 (+5.1%)

$127,900 + $144,700

$272,600

2014

$4,738 (+0.8%)

$127,900 + $144,700

$272,600

2013

$4,699 (+3.2%)

$134,300 + $144,600

$278,900

2012

$4,552 (+0.5%)

$138,500 + $144,600

$283,100

2011

$4,529 (−1.9%)

$131,900 + $144,600

$276,500

2010

$4,616 (+3.4%)

$141,300 + $151,200

$292,500

2009

$4,465

$160,600 + $151,200

$311,800

*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: 816

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Exterior Wall: Vinyl
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 1,632
Gross Sq. Ft: 2,480
Ground Floor Sq. Ft: 816
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,019
Municipality Name: GROTON
Acres: 0.23
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,632
Stories: 2.0
Lot Size: 10,019 square feet
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: Middlesex County
APN: 2100669S

Home facts updated by county records on Sep 11, 2026

Around this home

Schools

K - 12
Preschool & daycare

Florence Roche School

Public K-4 • Assigned • 3.0mi

8/10

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 3.1mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 3.5mi

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

0.93% 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

$572,000 – $693,000

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Home values near 21 Longfellow Rd

Data from public records.

Address	Redfin Estimate
34 Longfellow Road, Groton, MA 7 Beds \| 3 Baths \| 2276 Sq. Ft.	$895,671
17 Longfellow Road, Groton, MA 3 Beds \| 2 Baths \| 1721 Sq. Ft.	$637,196

Address	Redfin Estimate
13 Longfellow Road, Groton, MA 3 Beds \| 1.5 Baths \| 1408 Sq. Ft.	$540,329
34 Longfellow Road, Groton, MA 2 Beds \| 1 Baths \| 886 Sq. Ft.	$431,729

Address	Redfin Estimate
29 Longfellow Road, Groton, MA 3 Beds \| 1.5 Baths \| 1664 Sq. Ft.	$613,561
30 Longfellow Road, Groton, MA 2 Beds \| 1.5 Baths \| 1152 Sq. Ft.	$445,052

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