Google street view image for 21 Acorn Path, Groton, MA 01450

Off market dec 1986 for $300K

$939,657

Est. refi paymentEst. refi $1,962/mo

•

2.5 ba

•

2,784

sq ft

21 Acorn Path, Groton, MA 01450

About this home

21 Acorn Path is a 2,784 square foot house on a 1.6 acre lot with 4 bedrooms and 2.5 bathrooms. - it last sold on December 22, 1986 for $300,000. Based on Redfin's Groton data, we estimate the home's value is $939,657.

Single-familyProperty Type

1985Year Built

1.6 acresLot Size

$338Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$939,657

$640K since sold in December 1986$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% higher than the average sale price ($884K) of 6 comparable homes.

SOLD AUG 14, 2026
$850,000
A
4 beds2.5 baths2,613 sq ft
18 Acorn Path, Groton, MA 01450
SOLD JUL 24, 2026
$760,000
B
4 beds2.5 baths2,459 sq ft
27 Old Homestead Rd, Groton, MA 01450
SOLD JUN 4, 2026
$1,175,000
C
4 beds2.5 baths3,209 sq ft
2 Macquarrie Ln, Westford, MA 01886
SOLD JUN 12, 2026
$841,500
D
4 beds2.5 baths2,302 sq ft
21 Heritage Ln, Groton, MA 01450
SOLD SEP 18, 2026
$803,777
E
3 beds3 baths2,578 sq ft
470 Lost Lake Dr, Groton, MA 01450
SOLD AUG 12, 2026
$875,000
F
4 beds2.5 baths2,150 sq ft
13 Howard Rd, Westford, MA 01886

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Earn from this home

Sell

$892,088

Est. take-home

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Refinance

Est. cash available

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Rent

$3,554/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

100.5%

+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 SUN, 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 21 Acorn Path

Year

Property tax

Land + Additions

Assessment*

2026

$12,900 (+2.5%)

$268,000 + $604,800

$872,800

2025

$12,580 (+1.2%)

$255,400 + $569,500

$824,900

2024

$12,428 (−1.3%)

$255,400 + $568,200

$823,600

2023

$12,592 (+12.2%)

$307,900 + $497,200

$805,100

2022

$11,218 (+5.1%)

$244,300 + $408,300

$652,600

2021

$10,671 (−1.0%)

$221,600 + $384,700

$606,300

2020

$10,783 (+1.5%)

$240,100 + $380,300

$620,400

2019

$10,620 (+2.1%)

$258,600 + $327,800

$586,400

2018

$10,405 (+2.3%)

$249,300 + $308,000

$557,300

2017

$10,176 (+9.3%)

$249,300 + $308,000

$557,300

2016

$9,309 (+2.8%)

$208,200 + $287,500

$495,700

2015

$9,056 (+5.1%)

$208,200 + $287,500

$495,700

2014

$8,615 (+1.7%)

$208,200 + $287,500

$495,700

2013

$8,470 (+3.4%)

$208,200 + $294,500

$502,700

2012

$8,191 (−1.8%)

$214,900 + $294,500

$509,400

2011

$8,344 (+9.3%)

$214,900 + $294,500

$509,400

2010

$7,636 (+7.8%)

$205,400 + $278,500

$483,900

2009

$7,084

$216,200 + $278,500

$494,700

Tax history for 21 Acorn Path

Year

Property tax

Land + Additions

Assessment*

2026

$12,900 (+2.5%)

$268,000 + $604,800

$872,800

2025

$12,580 (+1.2%)

$255,400 + $569,500

$824,900

2024

$12,428 (−1.3%)

$255,400 + $568,200

$823,600

2023

$12,592 (+12.2%)

$307,900 + $497,200

$805,100

2022

$11,218 (+5.1%)

$244,300 + $408,300

$652,600

2021

$10,671 (−1.0%)

$221,600 + $384,700

$606,300

2020

$10,783 (+1.5%)

$240,100 + $380,300

$620,400

2019

$10,620 (+2.1%)

$258,600 + $327,800

$586,400

2018

$10,405 (+2.3%)

$249,300 + $308,000

$557,300

2017

$10,176 (+9.3%)

$249,300 + $308,000

$557,300

2016

$9,309 (+2.8%)

$208,200 + $287,500

$495,700

2015

$9,056 (+5.1%)

$208,200 + $287,500

$495,700

2014

$8,615 (+1.7%)

$208,200 + $287,500

$495,700

2013

$8,470 (+3.4%)

$208,200 + $294,500

$502,700

2012

$8,191 (−1.8%)

$214,900 + $294,500

$509,400

2011

$8,344 (+9.3%)

$214,900 + $294,500

$509,400

2010

$7,636 (+7.8%)

$205,400 + $278,500

$483,900

2009

$7,084

$216,200 + $278,500

$494,700

*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: 1,478

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

Heating & Cooling
Heating Type: Forced Hot Water

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Room Information
# of Rooms: 8

Exterior

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

Pool Information
Pool Type: Inground
Has Pool

Property Information
Living Sq. Ft: 2,784
Gross Sq. Ft: 5,064
Ground Floor Sq. Ft: 1,504
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 69,696
Municipality Name: GROTON
Acres: 1.6
Zoning Code: RA
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,784
Stories: 2.0
Lot Size: 1.6 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: —
County: Middlesex County
APN: 3828346S

Home facts updated by county records on Sep 10, 2026

Around this home

Schools

Florence Roche School

Public K-4 • Assigned • 4.3mi

8/10

Groton Dunstable Regional Middle School

Public 5-8 • Assigned • 4.4mi

7/10

Groton-Dunstable Regional High School

Public 9-12 • Assigned • 4.7mi

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, 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

$893,000 – $1.08M

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716 Martins Pond Rd, Groton, MA 01450

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Home values near 21 Acorn Path

Data from public records.

Address	Redfin Estimate
15 Acorn Path, Groton, MA 4 Beds \| 2.5 Baths \| 2872 Sq. Ft.	$1,066,500
36 Acorn Path, Groton, MA 4 Beds \| 3 Baths \| 3259 Sq. Ft.	$1,038,202

Address	Redfin Estimate
18 Acorn Path, Groton, MA 4 Beds \| 2.5 Baths \| 2613 Sq. Ft.	$912,843
46 Acorn Path, Groton, MA 4 Beds \| 2.5 Baths \| 3582 Sq. Ft.	$1,055,685

Address	Redfin Estimate
26 Acorn Path, Groton, MA 4 Beds \| 2.5 Baths \| 2755 Sq. Ft.	$878,139
45 Acorn Path, Groton, MA 4 Beds \| 2.5 Baths \| 3281 Sq. Ft.	$1,157,065

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