Google street view image for 21 Summit Rd, Lexington, MA 02421

OFF MARKET

$1,741,120

•

4 ba

•

3,101

sq ft

21 Summit Rd, Lexington, MA 02421

About this home

21 Summit Rd is a 3,101 square foot multi-family home on a 0.4 acre lot with 4 bedrooms and 4 bathrooms. Based on Redfin's Lexington data, we estimate the home's value is $1,741,120.

Multi-familyProperty Type

1935Year Built

0.4 acresLot Size

$561Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,741,120

$274K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.7% lower than the average sale price ($1.81M) of 6 comparable homes.

SOLD JUL 10, 2026
$1,999,000
A
4 beds3.5 baths4,174 sq ft
18 Webster Rd, Lexington, MA 02421
SOLD MAY 15, 2026
$1,645,000
B
4 beds3.5 baths2,510 sq ft
27 Peacock Farm Rd, Lexington, MA 02421
SOLD JUL 28, 2026
$1,450,000
C
4 beds3 baths2,148 sq ft
42 Peacock Farm Rd, Lexington, MA 02421
SOLD AUG 29, 2025
$2,055,000
D
4 beds4 baths3,331 sq ft
5 Moon Hill Rd, Lexington, MA 02420
SOLD MAY 8, 2026
$1,970,000
E
4 beds3 baths2,220 sq ft
32 Moon Hill Rd, Lexington, MA 02421
SOLD MAY 15, 2026
$1,726,500
F
4 beds1.5 baths2,600 sq ft
49 Follen Rd, Lexington, MA 02421

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Earn from this home

Sell

$1,653,830

Est. take-home

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Market trends in 02421, MA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.4%

0.7% MoM

Median sale price

$1.7M

$12K MoM

Avg. days on market

22d

3 days MoM

Recently sold homes

26 MoM

New listings for sale

3D WALKTHROUGH
$999,000
3 beds1.5 baths1,372 sq ft
1 Constitution Rd, Lexington, MA 02421
3D WALKTHROUGH
$3,195,000
7 beds5 baths5,114 sq ft
16 Middleby Rd, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 21 Summit Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2026

$21,321 (+4.6%)

$1,136,000 + $596,000

$1,732,000

2025

$20,387 (+1.9%)

$1,082,000 + $585,000

$1,667,000

2024

$20,004 (+2.4%)

$1,031,000 + $602,000

$1,633,000

2023

$19,526 (+5.6%)

$937,000 + $565,000

$1,502,000

2022

$18,492 (+3.0%)

$852,000 + $488,000

$1,340,000

2021

$17,959 (+3.2%)

$811,000 + $437,000

$1,248,000

2020

$17,408 (+4.4%)

$811,000 + $428,000

$1,239,000

2019

$16,676 (+4.4%)

$772,000 + $409,000

$1,181,000

2018

$15,973 (+14.7%)

$715,000 + $402,000

$1,117,000

2017

$13,925 (+5.4%)

$681,000 + $280,000

$961,000

2016

$13,213 (−1.7%)

$626,000 + $279,000

$905,000

2014

$13,447 (+3.7%)

$509,000 + $358,000

$867,000

2013

$12,966 (−0.3%)

$509,000 + $344,000

$853,000

2012

$13,009 (+4.8%)

$532,000 + $337,000

$869,000

2011

$12,413 (+3.9%)

$537,000 + $325,000

$862,000

2010

$11,947 (+3.5%)

$537,000 + $325,000

$862,000

2009

$11,543

$565,000 + $325,000

$890,000

Tax history for 21 Summit Rd

Year

Property tax

Land + Additions

Assessment*

2026

$21,321 (+4.6%)

$1,136,000 + $596,000

$1,732,000

2025

$20,387 (+1.9%)

$1,082,000 + $585,000

$1,667,000

2024

$20,004 (+2.4%)

$1,031,000 + $602,000

$1,633,000

2023

$19,526 (+5.6%)

$937,000 + $565,000

$1,502,000

2022

$18,492 (+3.0%)

$852,000 + $488,000

$1,340,000

2021

$17,959 (+3.2%)

$811,000 + $437,000

$1,248,000

2020

$17,408 (+4.4%)

$811,000 + $428,000

$1,239,000

2019

$16,676 (+4.4%)

$772,000 + $409,000

$1,181,000

2018

$15,973 (+14.7%)

$715,000 + $402,000

$1,117,000

2017

$13,925 (+5.4%)

$681,000 + $280,000

$961,000

2016

$13,213 (−1.7%)

$626,000 + $279,000

$905,000

2014

$13,447 (+3.7%)

$509,000 + $358,000

$867,000

2013

$12,966 (−0.3%)

$509,000 + $344,000

$853,000

2012

$13,009 (+4.8%)

$532,000 + $337,000

$869,000

2011

$12,413 (+3.9%)

$537,000 + $325,000

$862,000

2010

$11,947 (+3.5%)

$537,000 + $325,000

$862,000

2009

$11,543

$565,000 + $325,000

$890,000

*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: 1,100

Bathroom Information
# of Full Baths: 4

Heating & Cooling
Heating Type: Radiant

Fireplace Information
# of Fireplaces: 3
Has Fireplace

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Duplex
Exterior Wall: Brick
Roof Shape Type: Gable

Property Information
Subdivision Name: FOLLEN HEIGHTS LEXINGTON
Living Sq. Ft: 3,101
Gross Sq. Ft: 4,794
Ground Floor Sq. Ft: 1,710
# of Units: 1
# of Stories: 2
Legal Description: LEXI 000022 - 000000 - 000156 - 000000

Lot Information
# of Buildings: 1
Land Sq. Ft: 17,424
Municipality Name: LEXINGTON
Acres: 0.4
Zoning Code: RS
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 3,101
Stories: 2.0
Lot Size: 0.4 acres
Style: Multi-Family (2-4 Unit)
Year Built: 1935
Year Renovated: —
County: Middlesex County
APN: 35361S

Home facts updated by county records on Jul 29, 2026

Around this home

Schools
Places
Transit

Bowman Elementary School

Public K-5 • Assigned • 0.5mi

10/10

Jonas Clarke Middle School

Public 6-8 • Assigned • 0.9mi

10/10

Lexington High School

Public 9-12 • Assigned • 1.5mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Lexington continues to be a competitive Seller's market driven by its historic appeal & location. With buildable land exhausted, true inventory growth is very constrained; development mostly replaces existing homes. New zoning laws will eventually...
2 months ago • Lexington
Benjamin Ginsburg
Redfin Premier agent
151 deals
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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

4/10 Heat Factor

7 days above 96° expected this year, 14 days in 30 years

6/10 Wind Factor

50% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Lexington, MA • 02421

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

$1.66M – $2.00M

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Nearby similar homes

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3 Linc Cole Ln, Lexington, MA 02421

OPEN SAT, 1PM TO 3PM

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7 Brandon St, Lexington, MA 02420

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3 beds1.5 baths1,344 sq ft

26 Pearl St, Lexington, MA 02420

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6 beds5.5 baths5,353 sq ft

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New listings for sale in 02421

3D WALKTHROUGH

$999,000

3 beds1.5 baths1,372 sq ft

1 Constitution Rd, Lexington, MA 02421

3D WALKTHROUGH

$3,195,000

7 beds5 baths5,114 sq ft

16 Middleby Rd, Lexington, MA 02421

Home values near 21 Summit Rd

Data from public records.

Address	Redfin Estimate
12 Summit Road, Lexington, MA 6 Beds \| 6.5 Baths \| 8685 Sq. Ft.	$3,002,047
34 Summit Road, Lexington, MA 5 Beds \| 2.5 Baths \| 2556 Sq. Ft.	$1,812,397

Address	Redfin Estimate
8 Summit Road, Lexington, MA 4 Beds \| 3.5 Baths \| 4944 Sq. Ft.	$2,947,840
38 Summit Road, Lexington, MA 3 Beds \| 2 Baths \| 1982 Sq. Ft.	$1,583,660

Address	Redfin Estimate
33 Summit Road, Lexington, MA 3 Beds \| 3.5 Baths \| 3684 Sq. Ft.	$2,451,945
6 Summit Road, Lexington, MA 3 Beds \| 2 Baths \| 1761 Sq. Ft.	$1,394,636

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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 02421, MA

Sale history for 21 Summit Rd

Tax history for 21 Summit Rd

Property details

Around this home

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 02421

Home values near 21 Summit Rd

More real estate resources