Google satellite image for 21 Old Conant Rd, Lincoln, MA 01773

Off market dec 1979 for $83K

$1,046,165

Est. refi paymentEst. refi $537/mo

•

3 ba

•

1,754

sq ft

21 Old Conant Rd, Lincoln, MA 01773

About this home

21 Old Conant Rd is a 1,754 square foot house on a 0.5 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on December 01, 1979 for $83,000. Based on Redfin's Lincoln data, we estimate the home's value is $1,046,165.

Single-familyProperty Type

1978Year Built

0.5 acresLot Size

$596Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,046,165

$963K since sold in December 1979$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.2% higher than the average sale price ($1.01M) of 5 comparable homes.

SOLD AUG 25, 2026
$931,000
A
3 beds3 baths2,815 sq ft
31 Smith St, Waltham, MA 02451
SOLD FEB 27, 2026
$915,000
B
3 beds2.5 baths1,940 sq ft
31 Walton St, Waltham, MA 02451
SOLD AUG 11, 2026
$750,000
C
3 beds2 baths1,274 sq ft
11 Autumn Ln, Waltham, MA 02451
SOLD SEP 1, 2026
$1,250,000
D
4 beds3.5 baths2,444 sq ft
12 Mountain, Waltham, MA 02451
SOLD MAY 13, 2026
$1,225,000
E
3 beds2 baths2,190 sq ft
14 Westland Rd, Weston, MA 02493

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$993,317

Est. take-home

List your home with Redfin and save $5,231

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,704/mo

Redfin rental estimate

List your home for rent

Market trends in 02451, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.9%

1.3% MoM

Median sale price

$855K

$65K MoM

Avg. days on market

22d

2 days MoM

Recently sold homes

10 MoM

New listings for sale

3D WALKTHROUGH
$2,198,000
3 beds5 baths3,852 sq ft
190 Bedford, Lincoln, MA 01773
See all

Provided by Redfin

Sale history for 21 Old Conant Rd

Year

Property tax

Land + Additions

Assessment*

2026

$8,712 (+11.2%)

$417,400 + $426,800

$844,200

2025

$7,833 (+4.2%)

$397,900 + $399,800

$797,700

2024

$7,516 (+1.2%)

$379,200 + $400,500

$779,700

2023

$7,426 (−3.2%)

$345,400 + $374,200

$719,600

2022

$7,668 (+8.8%)

$330,400 + $357,900

$688,300

2021

$7,047

$330,400 + $292,100

$622,500

2020

$7,049 (+2.8%)

$307,900 + $282,000

$589,900

2019

$6,854 (+9.6%)

$304,900 + $236,500

$541,400

2018

$6,256 (+7.0%)

$282,400 + $213,700

$496,100

2017

$5,845 (+1.0%)

$251,700 + $213,700

$465,400

2016

$5,788 (−3.9%)

$259,200 + $213,700

$472,900

2015

$6,024 (−2.2%)

$255,400 + $203,400

$458,800

2014

$6,162 (−0.2%)

$255,400 + $203,400

$458,800

2013

$6,176 (+13.2%)

$240,400 + $217,400

$457,800

2012

$5,456 (−10.1%)

$187,900 + $220,800

$408,700

2011

$6,066 (+4.4%)

$250,400 + $213,000

$463,400

2010

$5,811

$250,400 + $213,000

$463,400

2009

$5,807

$303,700 + $210,200

$513,900

Tax history for 21 Old Conant Rd

Year

Property tax

Land + Additions

Assessment*

2026

$8,712 (+11.2%)

$417,400 + $426,800

$844,200

2025

$7,833 (+4.2%)

$397,900 + $399,800

$797,700

2024

$7,516 (+1.2%)

$379,200 + $400,500

$779,700

2023

$7,426 (−3.2%)

$345,400 + $374,200

$719,600

2022

$7,668 (+8.8%)

$330,400 + $357,900

$688,300

2021

$7,047

$330,400 + $292,100

$622,500

2020

$7,049 (+2.8%)

$307,900 + $282,000

$589,900

2019

$6,854 (+9.6%)

$304,900 + $236,500

$541,400

2018

$6,256 (+7.0%)

$282,400 + $213,700

$496,100

2017

$5,845 (+1.0%)

$251,700 + $213,700

$465,400

2016

$5,788 (−3.9%)

$259,200 + $213,700

$472,900

2015

$6,024 (−2.2%)

$255,400 + $203,400

$458,800

2014

$6,162 (−0.2%)

$255,400 + $203,400

$458,800

2013

$6,176 (+13.2%)

$240,400 + $217,400

$457,800

2012

$5,456 (−10.1%)

$187,900 + $220,800

$408,700

2011

$6,066 (+4.4%)

$250,400 + $213,000

$463,400

2010

$5,811

$250,400 + $213,000

$463,400

2009

$5,807

$303,700 + $210,200

$513,900

*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: 940

Bathroom Information
# of Full Baths: 3

Heating & Cooling
Heating Type: Forced Hot Water

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle

Property Information
Living Sq. Ft: 1,754
Gross Sq. Ft: 3,371
# of Units: 1
# of Stories: 2

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

Lot Information
# of Buildings: 1
Land Sq. Ft: 21,780
Municipality Name: WALTHAM
Acres: 0.5
Zoning Code: 3
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,754
Stories: 2.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: —
County: Middlesex County
APN: 3257629S

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

K - 12
Preschool & daycare

Thomas R Plympton Elementary School

Public K-5 • Assigned • 2.7mi

5/10

John F Kennedy Middle School

Public 6-8 • Assigned • 2.7mi

8/10

Waltham Senior High School

Public 9-12 • Assigned • 2.3mi

4/10

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, 14 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, 3 days in 30 years

Provided by First Street

Historical weather

Lincoln, MA • 01773

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

$994,000 – $1.20M

Reach more buyers when you sell with Redfin. Save up to $10,462 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

$975,000

2 beds1.5 baths2,061 sq ft

81A Brook Rd, Weston, MA 02493

Open concept kitchen • Oversized island • Finished lower level

$3,395,000

5 beds7 baths7,250 sq ft

32 Perry Ln, Weston, MA 02493

Formal dining room • Granite countertops • Center island

$584,000

4 beds2.5 baths1,660 sq ft

27 Malvern St, Waltham, MA 02451

Private full bath • Large rear deck • Adjoining patio

3D WALKTHROUGH

$2,880,000

4 beds4.5 baths4,811 sq ft

35 Sandy Pond Rd, Lincoln, MA 01773

Slate roofed • Brick colonial • Private drive

VIDEO TOUR

$2,450,000

4 beds2.5 baths4,380 sq ft

25 Laxfield Rd, Weston, MA 02493

Private acres • Circular drive • Three-car garage

$3,300,000

4 beds3.5 baths5,501 sq ft

3 Tower Field Ln, Lincoln, MA 01773

Open floor plan • Finished lower level • Sauna

New listings for sale in 01773

3D WALKTHROUGH

$2,198,000

3 beds5 baths3,852 sq ft

190 Bedford, Lincoln, MA 01773

Custom craftsman • Stone hearth • Bertazzoni gas range

Home values near 21 Old Conant Rd

Data from public records.

Address	Redfin Estimate
15 Old Conant Road, Lincoln, MA 3 Beds \| 2.5 Baths \| 3258 Sq. Ft.	$1,542,595
25 Old Conant Road, Lincoln, MA 3 Beds \| 3 Baths \| 1924 Sq. Ft.	$973,999
23 Old Conant Road, Lincoln, MA 4 Beds \| 3 Baths \| 2093 Sq. Ft.	$1,020,079
17 Old Conant Road Unit 3, Lincoln, MA 2 Beds \| 3 Baths \| 1620 Sq. Ft.	$889,443
21 Old Conant Road, Waltham, MA 4 Beds \| 4 Baths \| 2800 Sq. Ft.	$1,203,471
9 Old Conant Road, Lincoln, MA 5 Beds \| 3 Baths \| 2331 Sq. Ft.	$1,463,007
89 Lincoln Woods Road, Waltham, MA 4 Beds \| 3.5 Baths \| 3600 Sq. Ft.	$1,632,719

Address	Redfin Estimate
9 Old Conant Road, Lincoln, MA 5 Beds \| 3 Baths \| 2331 Sq. Ft.	$1,566,512
2 Old Conant Circle, Lincoln, MA 3 Beds \| 2.5 Baths \| 1659 Sq. Ft.	$1,008,284
3 Old Conant Circle, Lincoln, MA 4 Beds \| 2.5 Baths \| 2895 Sq. Ft.	$1,309,198
3 Old Conant Circle, Waltham, MA 4 Beds \| 2.5 Baths \| 2895 Sq. Ft.	$1,173,271
4 Old Conant Circle, Lincoln, MA 5 Beds \| 3 Baths \| 3200 Sq. Ft.	$1,201,033
81 Lincoln Woods Road, Waltham, MA 4 Beds \| 3 Baths \| 4220 Sq. Ft.	$1,502,791
97 Lincoln Woods Road, Waltham, MA 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,325,324

Address	Redfin Estimate
27 Old Conant Road, Lincoln, MA 3 Beds \| 3 Baths \| 1754 Sq. Ft.	$959,356
4 OLD CONANT Road, WALTHAM, MA 4 Beds \| 3 Baths \| 3960 Sq. Ft.	$1,286,818
19 Old Conant Road, Lincoln, MA 3 Beds \| 3 Baths \| 2166 Sq. Ft.	$1,028,083
19 Old Conant Road, Waltham, MA 4 Beds \| 2.5 Baths \| 2166 Sq. Ft.	$919,422
15 Old Conant Road, Lincoln, MA 2 Beds \| 2.5 Baths \| 3258 Sq. Ft.	$1,526,044
85 Lincoln Woods Road, Waltham, MA 4 Beds \| 2.5 Baths \| 3542 Sq. Ft.	$1,436,548
105 Lincoln Woods Road, Waltham, MA 4 Beds \| 2.5 Baths \| 3072 Sq. Ft.	$1,435,089

More real estate resources

Zip Codes
Cities
Minor Civil Divisions
Neighborhoods
Popular Searches

02478 homes for sale
02421 homes for sale
02451 homes for sale
02472 homes for sale
02453 homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Houses for rent in Waltham	Agents near me	Quincy, MA homes for sale	Waltham Housing Market
Houses for sale near me	Boston, MA homes for sale	Brookline, MA homes for sale
Land for sale near me	Newton, MA homes for sale	Arlington, MA homes for sale
Open Houses near me	Cambridge, MA homes for sale	Waltham Property Records
Condos for sale near me	Lexington, MA homes for sale	MA New Listings

Cambridge homes for sale
Boston homes for sale
Newton homes for sale