Off Market Dec 2008 for $1.5M

$2,529,768

Est. refi paymentEst. refi $5,517/mo

•

4,787

sq ft

21 Forest St, Lexington, MA 02421

About this home

Single-familyProperty Type

1992Year Built

0.36 acresLot Size

$528Est. Price/Sq.Ft.

2 garage spacesParking

Listed by David Williams • Lester E. Savage, Real Estate

Bought with Insung Kim • Coldwell Banker Residential Brokerage - Lexington

Redfin checked: a minute ago

•Source:MLS PIN #70849603

Redfin Estimate

$2,529,768

$1.0M since sold in December 2008$43K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.2% higher than the average sale price ($2.12M) of 5 comparable homes.

SOLD AUG 21, 2026
$2,221,000
A
4 beds3.5 baths4,262 sq ft
1 Munroe Rd, Lexington, MA 02421
SOLD APR 30, 2026
$2,010,000
B
6 beds4.5 baths4,500 sq ft
2380 Massachusetts Ave, Lexington, MA 02421
SOLD AUG 7, 2026
$2,020,000
C
5 beds3.5 baths3,277 sq ft
70 Spring St, Lexington, MA 02421
SOLD JUL 28, 2026
$1,860,000
D
4 beds3 baths3,528 sq ft
32 Baskin Rd, Lexington, MA 02421
SOLD MAY 13, 2026
$2,500,000
E
6 beds5 baths4,408 sq ft
1 Revere St, Lexington, MA 02420

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Sell

$1,740,393

Est. take-home

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Est. cash available

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Rent

$7,486/mo

Redfin rental estimate

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Market trends in 02421, MA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.5%

+0.2% MoM

Median sale price

$1.6M

$71K MoM

Avg. days on market

22d

0 days MoM

Recently sold homes

14 MoM

New listings for sale

EARLY ACCESS
$1,950,000
4 beds4 baths2,684 sq ft
9 Richard Rd, Lexington, MA 02421
$1,070,000
2 beds1.5 baths1,209 sq ft
72 Valleyfield St, Lexington, MA 02421
EARLY ACCESS
$1,850,000
5 beds4 baths3,981 sq ft
32 Webster Rd, Lexington, MA 02421
$1,389,000
4 beds3 baths2,392 sq ft
184 Concord Ave, Lexington, MA 02421
$2,850,000
5 beds4 baths5,024 sq ft
209 Waltham St, Lexington, MA 02421
$2,395,000
4 beds4.5 baths4,376 sq ft
171 Lincoln St, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 21 Forest St

Year

Property tax

Land + Additions

Assessment*

2026

$30,283 (+5.2%)

$1,127,000 + $1,333,000

$2,460,000

2025

$28,789 (+1.1%)

$1,073,000 + $1,281,000

$2,354,000

2024

$28,469 (+6.2%)

$1,022,000 + $1,302,000

$2,324,000

2023

$26,806 (+3.5%)

$929,000 + $1,133,000

$2,062,000

2022

$25,889 (−1.0%)

$844,000 + $1,032,000

$1,876,000

2021

$26,147 (+7.6%)

$804,000 + $1,013,000

$1,817,000

2020

$24,307 (+3.1%)

$804,000 + $926,000

$1,730,000

2019

$23,566 (+4.8%)

$766,000 + $903,000

$1,669,000

2018

$22,480 (+2.8%)

$709,000 + $863,000

$1,572,000

2017

$21,865 (−4.3%)

$675,000 + $834,000

$1,509,000

2016

$22,849 (+3.5%)

$620,000 + $945,000

$1,565,000

2014

$22,071 (+1.3%)

$505,000 + $918,000

$1,423,000

2013

$21,797 (+0.7%)

$505,000 + $929,000

$1,434,000

2012

$21,647 (+1.0%)

$528,000 + $918,000

$1,446,000

2011

$21,442 (+15.7%)

$519,000 + $970,000

$1,489,000

2010

$18,531 (+4.7%)

$519,000 + $818,000

$1,337,000

2009

$17,704

$547,000 + $818,000

$1,365,000

Tax history for 21 Forest St

Year

Property tax

Land + Additions

Assessment*

2026

$30,283 (+5.2%)

$1,127,000 + $1,333,000

$2,460,000

2025

$28,789 (+1.1%)

$1,073,000 + $1,281,000

$2,354,000

2024

$28,469 (+6.2%)

$1,022,000 + $1,302,000

$2,324,000

2023

$26,806 (+3.5%)

$929,000 + $1,133,000

$2,062,000

2022

$25,889 (−1.0%)

$844,000 + $1,032,000

$1,876,000

2021

$26,147 (+7.6%)

$804,000 + $1,013,000

$1,817,000

2020

$24,307 (+3.1%)

$804,000 + $926,000

$1,730,000

2019

$23,566 (+4.8%)

$766,000 + $903,000

$1,669,000

2018

$22,480 (+2.8%)

$709,000 + $863,000

$1,572,000

2017

$21,865 (−4.3%)

$675,000 + $834,000

$1,509,000

2016

$22,849 (+3.5%)

$620,000 + $945,000

$1,565,000

2014

$22,071 (+1.3%)

$505,000 + $918,000

$1,423,000

2013

$21,797 (+0.7%)

$505,000 + $929,000

$1,434,000

2012

$21,647 (+1.0%)

$528,000 + $918,000

$1,446,000

2011

$21,442 (+15.7%)

$519,000 + $970,000

$1,489,000

2010

$18,531 (+4.7%)

$519,000 + $818,000

$1,337,000

2009

$17,704

$547,000 + $818,000

$1,365,000

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Permits

Beds

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

0.36 Acres

Year renovated

—

Sq. Ft.

4,159

Year built

1992

Style

Single Family Residential

County

Middlesex County

APN

1601426S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 10, 2026.

Oct 1, 2025 • Final

Interior alterations

Frame partition walls and install plumbing for a bathroom and wet bar to code. Install new electrical wiring, an air circulation unit, and insulation for exterior walls. Board and plaster ceilings and walls, install furnishings, and paint the basement ceiling, walls, and trim.

Electrical

HVAC

Plumbing

Remodel

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 2
# of Covered Spaces: 2
Parking Spaces: 6
AttachedGarageYN: Yes
Parking Features: Attached, Garage Door Opener, Paved Drive, Off Street

Interior

Master Bedroom Information
Area: 247
Length: 19
Width: 13
Level: First
Features: Flooring - Hardwood

Bedroom #2 Information
Area: 208
Length: 16
Width: 13
Level: Second
Features: Flooring - Hardwood

Bedroom #3 Information
Area: 195
Length: 15
Width: 13
Level: Second
Features: Flooring - Hardwood

Bedroom #4 Information
Area: 238
Length: 17
Width: 14
Level: Second
Features: Flooring - Hardwood

Bedroom #5 Information
Area: 130
Length: 13
Width: 10
Level: Second
Features: Flooring - Hardwood

Bathroom Information
# of Bathrooms (Full): 3
# of Bathrooms (Half): 1
Master Bathroom Features: Yes

Bathroom #1 Information
Level: First
Features: Bathroom - Full,Cathedral Ceiling(s),Flooring - Stone/Ceramic Tile,Countertops - Stone/Granite/Solid

Bathroom #2 Information
Level: Second
Features: Bathroom - Full,Flooring - Stone/Ceramic Tile

Bathroom #3 Information
Level: Second
Features: Bathroom - Full,Flooring - Stone/Ceramic Tile

Living Room Information
Area: 221
Length: 17
Width: 13
Level: First
Features: Flooring - Hardwood

Family Room Information
Area: 336
Length: 21
Width: 16
Level: First
Features: Cathedral Ceiling(s),Ceiling Fan(s),Flooring - Hardwood,Balcony - Interior

Dining Room Information
Area: 195
Length: 15
Width: 13
Level: First
Features: Flooring - Hardwood

Kitchen Information
Area: 345
Length: 23
Width: 15
Level: First
Features: Flooring - Hardwood,Balcony / Deck,Countertops - Stone/Granite/Solid

Basement Information
Basement: Full, Partially Finished, Walk-Out Access, Interior Entry, Concrete

Laundry Information
Laundry Features: Bathroom - Full, Flooring - Stone/Ceramic Tile, Second Floor

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 2
Fireplace Features: Family Room

Interior Features
# of Rooms (Total): 12
Window Features: Storm Window(s)
Flooring: Wood, Tile, Flooring - Hardwood
Interior Features: Bathroom - Half, Bedroom, Bathroom, Media Room, Walk-Up Attic

Exterior

Building Information
Building Area (Total): 4,787
Foundation Area: 1
Foundation Details: Concrete Perimeter
Construction Materials: Frame
Year Built Source: Public Records
Year Built Details: Actual
Color: GOLD
Lead Paint: None

Exterior Features
Roof: Shingle
Patio And Porch Features: Deck, Patio
Exterior Features: Deck, Patio, Rain Gutters, Sprinkler System

Property Information
PropertySubType: Single Family Residence

Lot Information
Lot Size (Acres): 0.36
Lot Features: Wooded
Frontage Length: 125
Road Surface Type: Paved
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $16,877
Tax Year: 2008

Utilities

Utility Information
Utilities: for Gas Range
Sewer: Public Sewer, City/Town Sewer
Water Source: Public, City/Town Water
Electric: 220 Volts, 200+ Amp Service

Heating & Cooling
Has Heating
Has Cooling
Heating: Baseboard, Natural Gas
Cooling: Central Air, 3 or More

Location

HOA Information
Homeowners Association Membership Not Required

Location Information
Directions: RUNS BETWEEN WALTHAM STREET AND MASS AVE.
UnparsedAddress: 21 Forest Street, Lexington MA 02421

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Sidewalks

Public facts

Beds: 6
Baths: 3.5
Sq. Ft.: 4,159
Stories: 2.0
Lot Size: 0.36 acres
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: Middlesex County
APN: 1601426S

Home facts updated by county records on Aug 10, 2026

Other

Miscellaneous Information
Heat Zones: 6

Listing Information
StandardStatus: Closed

Around this home

Schools

Maria Hastings Elementary School

Public K-5 • Assigned • 1.2mi

10/10

Wm Diamond Middle School

Public 6-8 • Assigned • 1.2mi

9/10

Lexington High School

Public 9-12 • Assigned • 0.2mi

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
153 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

5/10 Heat Factor

7 days above 98° expected this year, 15 days in 30 years

6/10 Wind Factor

27% 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

$2.40M – $2.91M

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Home values near 21 Forest St

Data from public records.

Address	Redfin Estimate
9 Forest St, Lexington, MA 3 Beds \| 2.5 Baths \| 2255 Sq. Ft.	$1,550,470
6 Forest Ct, Lexington, MA 6 Beds \| 3 Baths \| 2908 Sq. Ft.	$1,463,513

Address	Redfin Estimate
7 Forest St, Lexington, MA 3 Beds \| 2 Baths \| 2015 Sq. Ft.	$1,746,627
5 Forest Ct, Lexington, MA 6 Beds \| 2.5 Baths \| 3102 Sq. Ft.	$1,572,511

Address	Redfin Estimate
18 Forest St, Lexington, MA 7 Beds \| 2 Baths \| 3247 Sq. Ft.	$1,678,549
22 Forest St, Lexington, MA 8 Beds \| 3 Baths \| 3460 Sq. Ft.	$1,855,550

Property information provided by MLS PIN when last listed in 2008. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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