Google street view image for 223 Waltham St Unit B, Lexington, MA 02421

Off market jan 2026 for $1.2M

$1,438,225

Est. refi paymentEst. refi $5,729/mo

•

3.5 ba

•

2,145

sq ft

223 Waltham St Unit B, Lexington, MA 02421

About this home

223 Waltham St Unit B is a 2,145 square foot condo with 4 bedrooms and 3.5 bathrooms. - it last sold on January 09, 2026 for $1,267,500. Based on Redfin's Lexington data, we estimate the home's value is $1,438,225.

CondoProperty Type

1857Year Built

$671Est. Price/Sq.Ft.

1 car garageParking

Source:Public Records

Redfin Estimate

$1,438,225

$171K since sold in January 2026$80K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 53.1% higher than the average sale price ($939K) of 6 comparable homes.

SOLD AUG 14, 2026
$1,055,000
A
4 beds3 baths2,135 sq ft
53 Wollaston Ave #1, Arlington, MA 02476
SOLD JUL 30, 2026
$1,245,000
B
3 beds2.5 baths1,842 sq ft
165 Park Ave #165, Arlington, MA 02476
SOLD SEP 11, 2026
$915,000
C
3 beds2 baths1,913 sq ft
36 Fifer Ln #36, Lexington, MA 02420
SOLD AUG 28, 2026
$840,000
D
2 beds2.5 baths1,735 sq ft
661 Lowell St #16, Lexington, MA 02420
SOLD JUN 10, 2026
$900,000
E
3 beds3 baths2,533 sq ft
120 Massachusetts Ave #120, Lexington, MA 02420
SOLD SEP 22, 2026
$679,720
F
2 beds2.5 baths1,555 sq ft
15 Fifer Ln #15, Lexington, MA 02420

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Earn from this home

Sell

$363,947

Est. take-home

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Est. cash available

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Rent

$4,141/mo

Redfin rental estimate

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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

$58K MoM

Avg. days on market

25d

3 days MoM

Recently sold homes

0 MoM

New listings for sale

OPEN SUN, 11:30AM TO 1PM
$1,299,999
4 beds1.5 baths1,751 sq ft
26 Brookside Ave, Lexington, MA 02421
OPEN TODAY, 11AM TO 1PM
$2,795,000
6 beds5 baths4,560 sq ft
139 Reed St, Lexington, MA 02420
OPEN TODAY, 11AM TO 12:30PM
$1,299,000
4 beds2.5 baths2,000 sq ft
21 Woodpark Cir, Lexington, MA 02421
OPEN SAT, 1:30PM TO 3PM
$1,850,000
4 beds4 baths3,287 sq ft
9 Richard Rd, Lexington, MA 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 ACCESS
$1,500,000
4 beds2 baths2,060 sq ft
20 Taft Ave, Lexington, MA 02421
OPEN SAT, 12PM TO 1PM
$1,150,000
3 beds2.5 baths2,364 sq ft
18 Middle St, Lexington, MA 02421
OPEN SAT, 12PM TO 1:30PM
$4,500,000
7 beds8 baths7,719 sq ft
14 Hastings Rd, Lexington, MA 02421
See all

Provided by Redfin

Sale history for 223 Waltham St Unit B

Date

Event

Price

Public Records

Jan 9, 2026

Sold

$1,267,500

$591/sq ft

Public Records

Sep 28, 1998

Sold

$470,000

$219/sq ft

MLS PIN #50278322

Aug 1, 1995

Sold

$385,000

$179/sq ft

May 19, 1995

Listing Removed

—

Apr 3, 1995

Listed

$379,000

$177/sq ft

Public Records

Jan 28, 1987

Sold

$345,000

$161/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$16,791 (+4.0%)

$1,364,000

2025

$16,144 (+3.7%)

$1,320,000

2024

$15,570 (+15.1%)

$1,271,000

2023

$13,533 (−0.7%)

$1,041,000

2022

$13,634 (+1.0%)

$988,000

2021

$13,498 (+0.7%)

$938,000

2020

$13,404 (+6.1%)

$954,000

2019

$12,637 (+4.2%)

$895,000

2018

$12,126 (+6.1%)

$848,000

2017

$11,433 (+9.8%)

$789,000

2016

$10,410 (+7.2%)

$713,000

2014

$9,709 (+2.0%)

$626,000

2013

$9,515 (+0.3%)

$626,000

2012

$9,491 (+6.1%)

$634,000

2011

$8,942 (+5.4%)

$621,000

2010

$8,482 (+1.9%)

$612,000

2009

$8,327

$642,000

Tax history for 223 Waltham St Unit B

Year

Property tax

Land + Additions

Assessment*

2026

$16,791 (+4.0%)

$1,364,000

2025

$16,144 (+3.7%)

$1,320,000

2024

$15,570 (+15.1%)

$1,271,000

2023

$13,533 (−0.7%)

$1,041,000

2022

$13,634 (+1.0%)

$988,000

2021

$13,498 (+0.7%)

$938,000

2020

$13,404 (+6.1%)

$954,000

2019

$12,637 (+4.2%)

$895,000

2018

$12,126 (+6.1%)

$848,000

2017

$11,433 (+9.8%)

$789,000

2016

$10,410 (+7.2%)

$713,000

2014

$9,709 (+2.0%)

$626,000

2013

$9,515 (+0.3%)

$626,000

2012

$9,491 (+6.1%)

$634,000

2011

$8,942 (+5.4%)

$621,000

2010

$8,482 (+1.9%)

$612,000

2009

$8,327

$642,000

*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: 837

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Good
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable

Property Information
Subdivision Name: CENTRE OAK
Living Sq. Ft: 2,145
Gross Sq. Ft: 4,197
Ground Floor Sq. Ft: 1,203
# of Units: 1
# of Stories: 3
Legal Description: LEXI 000040 - 000000 - 000225B - 000002

Lot Information
# of Buildings: 1
Land Sq. Ft: 35,759
Municipality Name: LEXINGTON
Acres: 0.8209
Zoning Code: RS
State Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 2,145
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1857
Year Renovated: —
County: Middlesex County
APN: 1717343S

Home facts updated by county records on Sep 11, 2026

Around this home

Schools

Maria Hastings Elementary School

Public K-5 • Assigned • 1.2mi

10/10

Wm Diamond Middle School

Public 6-8 • Assigned • 1.4mi

9/10

Lexington High School

Public 9-12 • Assigned • 0.1mi

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
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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

$1.37M – $1.65M

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OPEN SAT, 12PM TO 1PM3D WALKTHROUGH

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Home values near 223 Waltham St Unit B

Data from public records.

Address	Redfin Estimate
194 Waltham St, Lexington, MA 5 Beds \| 3.5 Baths \| 4400 Sq. Ft.	$2,337,406
222 Waltham St, Lexington, MA 3 Beds \| 1.5 Baths \| 1890 Sq. Ft.	$1,238,393

Address	Redfin Estimate
200 Waltham St, Lexington, MA 4 Beds \| 1.5 Baths \| 2104 Sq. Ft.	$1,340,150
230 Waltham St, Lexington, MA 6 Beds \| 5 Baths \| 5000 Sq. Ft.	$2,528,034

Address	Redfin Estimate
202 Waltham St, Lexington, MA 4 Beds \| 2.5 Baths \| 2296 Sq. Ft.	$1,603,992
242 Waltham St, Lexington, MA 3 Beds \| 2 Baths \| 1225 Sq. Ft.	$1,137,419

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