Off market aug 2004 for $379K

$836,774

Est. refi paymentEst. refi $2,385/mo

•

1,114

sq ft

21 Sylvia St, Lexington, MA 02421

About this home

Single-familyProperty Type

1955Year Built

4,800 sq ftLot Size

$751Est. Price/Sq.Ft.

3 spacesParking

Listed by William Copithorne • Sweeney & OConnell

Bought with Dawn Marshall • Sweeney & OConnell

Redfin checked: a few seconds ago

•Source:MLS PIN #70051732

Redfin Estimate

$836,774

$458K since sold in August 2004$5,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 18.7% lower than the average sale price ($1.03M) of 6 comparable homes.

SOLD AUG 28, 2026
$890,000
A
3 beds1 bath1,092 sq ft
299 Appleton St, Arlington, MA 02476
SOLD SEP 24, 2026
$865,000
B
3 beds1.5 baths1,455 sq ft
10 Cummings Ave, Lexington, MA 02420
SOLD AUG 21, 2026
$840,000
C
4 beds1 bath1,652 sq ft
4 Inverness Rd, Arlington, MA 02476
SOLD JUL 15, 2026
$1,265,000
D
4 beds1.5 baths1,970 sq ft
22 Williams St, Arlington, MA 02476
SOLD JUL 22, 2026
$855,000
E
3 beds1 bath1,422 sq ft
65 Oak, Lexington, MA 02421
SOLD JUL 7, 2026
$1,460,000
F
4 beds2.5 baths2,520 sq ft
38 Hibbert St, Arlington, MA 02476

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

Earn from this home

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$2,905/mo

Redfin rental estimate

List your home for rent

Market trends in 02421, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.2%

1.2% MoM

Median sale price

$1.7M

$57K MoM

Avg. days on market

25d

3 days MoM

Recently sold homes

2 MoM

New listings for sale

$3,000,000
4 beds3.5 baths3,000 sq ft
2 Pleasant St #2, Lexington, MA 02421
$1,800,000
2 beds2 baths1,800 sq ft
678 Massachusetts Ave #1, Lexington, MA 02421
EARLY ACCESS
$1,500,000
4 beds2 baths2,060 sq ft
20 Taft Ave, Lexington, MA 02421
3D WALKTHROUGH
$1,150,000
3 beds2.5 baths2,364 sq ft
18 Middle St, Lexington, MA 02421
OPEN TUE, 10AM TO 12PM
$4,500,000
7 beds8 baths7,719 sq ft
14 Hastings Rd, Lexington, MA 02421
EARLY ACCESS
$1,850,000
4 beds4 baths3,287 sq ft
9 Richard Rd, Lexington, MA 02421
$849,900
3 beds1 bath1,463 sq ft
62 Chase Ave, Lexington, MA 02421
$1,025,000
3 beds1.5 baths1,418 sq ft
24 Grapevine Ave, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 21 Sylvia St

Year

Property tax

Land + Additions

Assessment*

2026

$9,565 (+6.0%)

$598,000 + $179,000

$777,000

2025

$9,026 (+3.8%)

$570,000 + $168,000

$738,000

2024

$8,698 (+3.6%)

$542,000 + $168,000

$710,000

2023

$8,398 (+4.0%)

$493,000 + $153,000

$646,000

2022

$8,073 (+0.4%)

$448,000 + $137,000

$585,000

2021

$8,044 (+2.4%)

$427,000 + $132,000

$559,000

2020

$7,854 (+4.7%)

$427,000 + $132,000

$559,000

2019

$7,498 (+5.5%)

$407,000 + $124,000

$531,000

2018

$7,107 (+5.0%)

$387,000 + $110,000

$497,000

2017

$6,767 (+3.0%)

$357,000 + $110,000

$467,000

2016

$6,570 (+13.9%)

$340,000 + $110,000

$450,000

2014

$5,770 (+3.1%)

$275,000 + $97,000

$372,000

2013

$5,594 (+9.9%)

$275,000 + $93,000

$368,000

2012

$5,090 (+3.4%)

$260,000 + $80,000

$340,000

2011

$4,925 (+3.9%)

$260,000 + $82,000

$342,000

2010

$4,740 (+3.0%)

$260,000 + $82,000

$342,000

2009

$4,604

$273,000 + $82,000

$355,000

Tax history for 21 Sylvia St

Year

Property tax

Land + Additions

Assessment*

2026

$9,565 (+6.0%)

$598,000 + $179,000

$777,000

2025

$9,026 (+3.8%)

$570,000 + $168,000

$738,000

2024

$8,698 (+3.6%)

$542,000 + $168,000

$710,000

2023

$8,398 (+4.0%)

$493,000 + $153,000

$646,000

2022

$8,073 (+0.4%)

$448,000 + $137,000

$585,000

2021

$8,044 (+2.4%)

$427,000 + $132,000

$559,000

2020

$7,854 (+4.7%)

$427,000 + $132,000

$559,000

2019

$7,498 (+5.5%)

$407,000 + $124,000

$531,000

2018

$7,107 (+5.0%)

$387,000 + $110,000

$497,000

2017

$6,767 (+3.0%)

$357,000 + $110,000

$467,000

2016

$6,570 (+13.9%)

$340,000 + $110,000

$450,000

2014

$5,770 (+3.1%)

$275,000 + $97,000

$372,000

2013

$5,594 (+9.9%)

$275,000 + $93,000

$368,000

2012

$5,090 (+3.4%)

$260,000 + $80,000

$340,000

2011

$4,925 (+3.9%)

$260,000 + $82,000

$342,000

2010

$4,740 (+3.0%)

$260,000 + $82,000

$342,000

2009

$4,604

$273,000 + $82,000

$355,000

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

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

4,792 Sq. Ft.

Year renovated

—

Sq. Ft.

1,075

Year built

1955

Style

Single Family Residential

County

Middlesex County

APN

3258524S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 10, 2026.

Property details

Parking

Parking Information
Has Open Parking
Parking Spaces: 3
Parking Features: Paved Drive, Off Street

Interior

Master Bedroom Information
Area: 132
Length: 11
Width: 12
Level: First
Features: Flooring - Wall to Wall Carpet

Bedroom #2 Information
Area: 99
Length: 9
Width: 11
Level: First
Features: Flooring - Wall to Wall Carpet

Bedroom #3 Information
Area: 132
Length: 11
Width: 12
Level: Second
Features: Flooring - Hardwood

Bedroom #4 Information
Area: 192
Length: 12
Width: 16
Level: Second
Features: Flooring - Hardwood

Bathroom Information
# of Bathrooms (Full): 1

Bathroom #1 Information
Level: First
Features: Flooring - Stone/Ceramic Tile

Living Room Information
Area: 176
Length: 11
Width: 16
Level: First
Features: Flooring - Wall to Wall Carpet

Kitchen Information
Area: 154
Length: 11
Width: 14
Level: First

Basement Information
Basement: Full, Walk-Out Access

Interior Features
# of Rooms (Total): 6
Flooring: Wood, Vinyl, Carpet

Exterior

Building Information
Building Area (Total): 1,114
Foundation Area: 864
Foundation Details: Block
Construction Materials: Frame
Year Built Source: Public Records
Year Built Details: Actual
Color: yellow

Exterior Features
Roof: Shingle

Property Information
PropertySubType: Single Family Residence

Lot Information
Lot Size (Acres): 0.11

Financial

Tax Information
Tax Annual Amount: $3,381
Tax Year: 2004

Utilities

Utility Information
Utilities: for Gas Range
Sewer: Public Sewer, City/Town Sewer
Water Source: Public, City/Town Water
Electric: Fuses, 60 Amps/Less

Heating & Cooling
Has Heating
Heating: Steam, Oil

Location

Location Information
Directions: Off Mass Ave on the Lex/Arl town line
UnparsedAddress: 21 Sylvia Street, Lexington MA 02421

Community Information
Senior CommunityYN: No
Community Features: Shopping, Walk/Jog Trails

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 1,075
Stories: 2.0
Lot Size: 4,792 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: —
County: Middlesex County
APN: 3258524S

Home facts updated by county records on Sep 10, 2026

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

Around this home

Schools

Bowman Elementary School

Public K-5 • Assigned • 1.2mi

10/10

Jonas Clarke Middle School

Public 6-8 • Assigned • 1.8mi

10/10

Lexington High School

Public 9-12 • Assigned • 2.4mi

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 weeks ago • Lexington
Benjamin Ginsburg
Redfin Premier agent
155 deals
Was this helpful?

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 96° expected this year, 15 days in 30 years

6/10 Wind Factor

53% 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

$795,000 – $963,000

Sell confidently with a local market expert in Lexington. 3 minutes to get started.

Nearby similar homes

$899,000

3 beds1 bath1,313 sq ft

39 Henry St, Winchester, MA 01890

$3,990,000

6 beds7 baths10,925 sq ft

75 Woodfall Rd, Belmont, MA 02478

3D WALKTHROUGH

$699,900

3 beds1.5 baths1,058 sq ft

233 Florence Ave, Arlington, MA 02476

$929,000

3 beds1.5 baths1,232 sq ft

62 Bellington St, Arlington, MA 02476

$3,295,000

5 beds5.5 baths5,322 sq ft

3 Linc Cole Ln, Lexington, MA 02421

$1,190,000

3 beds1.5 baths1,344 sq ft

26 Pearl St, Lexington, MA 02420

New listings for sale in 02421

$3,000,000

4 beds3.5 baths3,000 sq ft

2 Pleasant St #2, Lexington, MA 02421

$1,800,000

2 beds2 baths1,800 sq ft

678 Massachusetts Ave #1, Lexington, MA 02421

EARLY ACCESSCOLDWELL BANKER REALTY COMING SOON

$1,500,000

4 beds2 baths2,060 sq ft

20 Taft Ave, Lexington, MA 02421

3D WALKTHROUGH

$1,150,000

3 beds2.5 baths2,364 sq ft

18 Middle St, Lexington, MA 02421

OPEN TUE, 10AM TO 12PM

$4,500,000

7 beds8 baths7,719 sq ft

14 Hastings Rd, Lexington, MA 02421

EARLY ACCESSCOLDWELL BANKER REALTY COMING SOON

$1,850,000

4 beds4 baths3,287 sq ft

9 Richard Rd, Lexington, MA 02421

$849,900

3 beds1 bath1,463 sq ft

62 Chase Ave, Lexington, MA 02421

$1,025,000

3 beds1.5 baths1,418 sq ft

24 Grapevine Ave, Lexington, MA 02421

Home values near 21 Sylvia St

Data from public records.

Address	Redfin Estimate
40 Sylvia Street, Arlington, MA 3 Beds \| 2 Baths \| 1987 Sq. Ft.	$833,554
28 Sylvia Street, Lexington, MA 3 Beds \| 2 Baths \| 1747 Sq. Ft.	$693,921

Address	Redfin Estimate
16 Sylvia Street, Lexington, MA 3 Beds \| 2 Baths \| 1558 Sq. Ft.	$857,870
29 Sylvia Street, Lexington, MA 3 Beds \| 1.5 Baths \| 1152 Sq. Ft.	$874,696

Address	Redfin Estimate
18 Sylvia Street, Lexington, MA 3 Beds \| 2 Baths \| 1942 Sq. Ft.	$1,132,087
27 Sylvia Street, Lexington, MA 3 Beds \| 1 Baths \| 1114 Sq. Ft.	$849,631

Property information provided by MLS PIN when last listed in 2004. This data may not match . Learn more.

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.

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.

01730 homes for sale
02474 homes for sale
01890 homes for sale
01801 homes for sale
01803 homes for sale

Houses for rent in Lexington	Agents near me	Quincy, MA homes for sale	Lexington 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	Lexington 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

About this home

Redfin Estimate

Earn from this home

Market trends in 02421, MA

Sale history for 21 Sylvia St

Tax history for 21 Sylvia St

Public record

Property details

Around this home

Schools

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 Sylvia St

More real estate resources