Google street view image for 21 Old Mill Rd, Concord, MA 01742

Off Market Feb 1993 for $125K

$1,498,277

Est. refi paymentEst. refi $792/mo

•

2.5 ba

•

2,914

sq ft

21 Old Mill Rd, Concord, MA 01742

About this home

21 Old Mill Rd is a 2,914 square foot house on a 0.48 acre lot with 4 bedrooms and 2.5 bathrooms. - it last sold on February 01, 1993 for $125,000. Based on Redfin's Concord data, we estimate the home's value is $1,498,277.

Single-familyProperty Type

1993Year Built

0.48 acresLot Size

$514Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,498,277

$1.4M since sold in February 1993$39K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.1% higher than the average sale price ($1.50M) of 6 comparable homes.

SOLD JUN 25, 2026
$1,417,900
A
4 beds2.5 baths3,424 sq ft
30 Winslow St, Concord, MA 01742
SOLD OCT 31, 2025
$1,625,000
B
4 beds2.5 baths3,050 sq ft
144 Harrington Ave, Concord, MA 01742
SOLD MAR 18, 2026
$1,802,000
C
4 beds2.5 baths3,080 sq ft
47 Bridgecourt Ln, Concord, MA 01742
SOLD APR 15, 2026
$1,700,000
D
4 beds2.5 baths3,034 sq ft
367 Powder Mill Rd, Concord, MA 01742
SOLD DEC 23, 2025
$1,135,000
E
4 beds2.5 baths3,300 sq ft
80 North Branch Rd, Concord, MA 01742
SOLD APR 21, 2026
$1,300,000
F
4 beds2.5 baths3,485 sq ft
59 Lexington Dr, Acton, MA 01720

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Earn from this home

Sell

$1,423,022

Est. take-home

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Refinance

Est. cash available

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Rent

$3,683/mo

Redfin rental estimate

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Market trends in 01742, MA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.1%

1.0% MoM

Median sale price

$1.7M

$20K MoM

Avg. days on market

26d

7 days MoM

Recently sold homes

6 MoM

New listings for sale

EARLY ACCESS
$1,575,000
3 beds3 baths3,012 sq ft
336 Deacon Haynes Rd, Concord, MA 01742
EARLY ACCESS
Unknown
4 beds5 baths4,118 sq ft
54 Maple St, Concord, MA 01742
EARLY ACCESS
$1,050,000
3 beds2 baths2,235 sq ft
226 Peter Spring Rd, Concord, MA 01742
HOT HOME
$710,000
2 beds2 baths1,214 sq ft
22 Concord Greene #5, Concord, MA 01742
$1,990,000
4 beds4 baths4,055 sq ft
40 Brigham Woods, Concord, MA 01742
$1,400,000
5 beds3 baths3,707 sq ft
12 White Ave, Concord, MA 01742
$935,000
4 beds2.5 baths1,849 sq ft
155 Belknap St, Concord, MA 01742
See all

Provided by Redfin

Sale history for 21 Old Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$17,257 (+4.5%)

$521,200 + $801,200

$1,322,400

2025

$16,514 (+1.0%)

$496,300 + $749,100

$1,245,400

2024

$16,352 (+8.4%)

$496,300 + $749,100

$1,245,400

2023

$15,089 (+7.0%)

$451,200 + $713,100

$1,164,300

2022

$14,097 (+3.9%)

$361,000 + $594,100

$955,100

2021

$13,567 (+2.0%)

$361,000 + $560,700

$921,700

2020

$13,298 (+3.8%)

$361,000 + $573,500

$934,500

2019

$12,806 (+3.7%)

$372,900 + $529,600

$902,500

2018

$12,354 (+4.6%)

$342,200 + $522,300

$864,500

2017

$11,810 (+1.0%)

$317,800 + $521,600

$839,400

2016

$11,698 (+5.3%)

$317,800 + $522,600

$840,400

2015

$11,113 (+3.4%)

$294,300 + $483,400

$777,700

2014

$10,749 (+3.7%)

$267,500 + $476,400

$743,900

2013

$10,361 (+1.0%)

$267,500 + $468,900

$736,400

2012

$10,256 (+9.9%)

$267,500 + $487,700

$755,200

2011

$9,330 (−0.5%)

$262,100 + $450,100

$712,200

2010

$9,375 (−2.0%)

$261,000 + $455,200

$716,200

2009

$9,566

$287,200 + $516,700

$803,900

Tax history for 21 Old Mill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$17,257 (+4.5%)

$521,200 + $801,200

$1,322,400

2025

$16,514 (+1.0%)

$496,300 + $749,100

$1,245,400

2024

$16,352 (+8.4%)

$496,300 + $749,100

$1,245,400

2023

$15,089 (+7.0%)

$451,200 + $713,100

$1,164,300

2022

$14,097 (+3.9%)

$361,000 + $594,100

$955,100

2021

$13,567 (+2.0%)

$361,000 + $560,700

$921,700

2020

$13,298 (+3.8%)

$361,000 + $573,500

$934,500

2019

$12,806 (+3.7%)

$372,900 + $529,600

$902,500

2018

$12,354 (+4.6%)

$342,200 + $522,300

$864,500

2017

$11,810 (+1.0%)

$317,800 + $521,600

$839,400

2016

$11,698 (+5.3%)

$317,800 + $522,600

$840,400

2015

$11,113 (+3.4%)

$294,300 + $483,400

$777,700

2014

$10,749 (+3.7%)

$267,500 + $476,400

$743,900

2013

$10,361 (+1.0%)

$267,500 + $468,900

$736,400

2012

$10,256 (+9.9%)

$267,500 + $487,700

$755,200

2011

$9,330 (−0.5%)

$262,100 + $450,100

$712,200

2010

$9,375 (−2.0%)

$261,000 + $455,200

$716,200

2009

$9,566

$287,200 + $516,700

$803,900

*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: 1,428

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

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

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

Property Information
Living Sq. Ft: 2,914
Gross Sq. Ft: 5,640
# of Units: 1
# of Stories: 2

Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 20,909
Municipality Name: CONCORD
Acres: 0.48
Zoning Code: B
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,914
Stories: 2.0
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 1993
Year Renovated: —
County: Middlesex County
APN: 2037354S

Home facts updated by county records on Aug 26, 2026

Around this home

Schools

Thoreau Elementary School

Public PreK-5 • Assigned • 0.6mi

8/10

Concord Middle School

Public 6-8 • Assigned • 0.9mi

8/10

Concord Carlisle High School

Public 9-12 • Assigned • 3.1mi

10/10

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° 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, 2 days in 30 years

Provided by First Street

Historical weather

Concord, MA • 01742

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 4.4 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.42M – $1.72M

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New listings for sale in 01742

EARLY ACCESSCOMPASS COMING SOON

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3 beds3 baths3,012 sq ft

336 Deacon Haynes Rd, Concord, MA 01742

EARLY ACCESSCOMPASS COMING SOON

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4 beds5 baths4,118 sq ft

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EARLY ACCESSCOLDWELL BANKER REALTY COMING SOON

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3 beds2 baths2,235 sq ft

226 Peter Spring Rd, Concord, MA 01742

HOT HOME

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2 beds2 baths1,214 sq ft

22 Concord Greene #5, Concord, MA 01742

$1,990,000

4 beds4 baths4,055 sq ft

40 Brigham Woods, Concord, MA 01742

$1,400,000

5 beds3 baths3,707 sq ft

12 White Ave, Concord, MA 01742

$935,000

4 beds2.5 baths1,849 sq ft

155 Belknap St, Concord, MA 01742

Home values near 21 Old Mill Rd

Data from public records.

Address	Redfin Estimate
11 Old Mill Rd, Concord, MA 4 Beds \| 2.5 Baths \| 2970 Sq. Ft.	$1,580,478
11 Old Mill Rd, Concord, MA 4 Beds \| 4.5 Baths \| 3400 Sq. Ft.	$1,770,228

Address	Redfin Estimate
41 Old Mill Rd, Concord, MA 4 Beds \| 2.5 Baths \| 3303 Sq. Ft.	$1,677,887
11 Range Rd, Concord, MA 2 Beds \| 2 Baths \| 1668 Sq. Ft.	$920,222

Address	Redfin Estimate
41 Old Mill Rd, Concord, MA 4 Beds \| 2.5 Baths \| 3303 Sq. Ft.	$1,704,593
121 Harrington Ave, Concord, MA 2 Beds \| 1 Baths \| 1291 Sq. Ft.	$843,486

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 01742, MA

Sale history for 21 Old Mill Rd

Tax history for 21 Old Mill Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 01742

Home values near 21 Old Mill Rd

More real estate resources