Google street view image for 21 Warren St Unit 2-4, Waltham, MA 02453

Off market

$432,948

•

1 ba

•

724

sq ft

21 Warren St Unit 2-4, Waltham, MA 02453

About this home

21 Warren St Unit 2-4 is a 724 square foot condo with 2 bedrooms and 1 bathroom. Based on Redfin's Waltham data, we estimate the home's value is $432,948.

CondoProperty Type

1982Year Built

$598Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$432,948

$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3% higher than the average sale price ($420K) of 6 comparable homes.

SOLD OCT 27, 2026
$404,000
A
2 beds1 bath709 sq ft
41 Warren St Unit B2, Waltham, MA 02453
SOLD JUN 16, 2026
$430,000
B
2 beds1 bath733 sq ft
20 Whitman Rd Unit 2-1, Waltham, MA 02453
SOLD BY REDFIN MAY 29, 2026
$415,000
C
2 beds1 bath708 sq ft
31 Warren St Unit B1, Waltham, MA 02453
SOLD APR 30, 2026
$425,000
D
2 beds1 bath726 sq ft
51 Warren Unit 1-1, Waltham, MA 02453
SOLD APR 28, 2026
$420,000
E
2 beds1 bath730 sq ft
51 Warren St Unit 1-3, Waltham, MA 02453
SOLD APR 10, 2026
$427,500
F
2 beds1 bath724 sq ft
21 Warren Unit 2-4, Waltham, MA 02453

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Earn from this home

Rent

$2,212/mo

Redfin rental estimate

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Market trends in 02453, MA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.7%

0.2% MoM

Median sale price

$827K

$11K MoM

Avg. days on market

30d

3 days MoM

Recently sold homes

2 MoM

New listings for sale

OPEN TODAY, 11AM TO 1PM
$1,499,900
4 beds4.5 baths3,515 sq ft
39 Floyd St #2, Waltham, MA 02453
OPEN TODAY, 12:30PM TO 2PM
$539,900
4 beds4 baths1,443 sq ft
92 Brown St #2, Waltham, MA 02453
OPEN TODAY, 12PM TO 1:30PM
$429,000
1 bed1 bath642 sq ft
19 Robbins St Unit 2-2, Waltham, MA 02453
See all

Provided by Redfin

Sale history for 21 Warren St Unit 2-4

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

Tax history for 21 Warren St Unit 2-4

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

Property details

Interior

Bathroom Information
# of Full Baths: 1

Room Information
# of Rooms: 4

Exterior

Exterior Information
Physical Condition: Average
Construction Type: Concrete
Exterior Wall: Brick
Roof Shape Type: Hip

Property Information
Living Sq. Ft: 724
Gross Sq. Ft: 724
# of Units: 1
# of Stories: 3

Lot Information
# of Buildings: 1
Municipality Name: WALTHAM
State Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 724
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1982
Year Renovated: —
County: Middlesex County
APN: 2905731

Home facts updated by county records on Apr 28, 2026

About this building

No units for sale

21 Warren St, Waltham, MA 02453

See photos & sale trends

Photo via 21 Warren St Unit B-1

Units for sale

Unit Information Not Available

There aren't any units for sale in this building.

Around this home

Schools

K - 12
Preschool & daycare

James Fitzgerald Elementary School

Public K-5 • Assigned • 0.4mi

6/10

John W. McDevitt Middle School

Public 6-8 • Assigned • 1.2mi

7/10

Waltham Senior High School

Public 9-12 • Assigned • 2.1mi

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

6/10 Heat Factor

7 days above 96° expected this year, 16 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

Waltham, MA • 02453

Average low and high temperatures (°F)

34°

21°

37°

22°

51°

33°

60°

41°

70°

51°

81°

61°

85°

66°

81°

60°

76°

56°

63°

46°

53°

37°

39°

25°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Estimated sale price

$412,000 – $498,000

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

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New listings for sale in 02453

OPEN TODAY, 11AM TO 1PM

$1,499,900

4 beds4.5 baths3,515 sq ft

39 Floyd St #2, Waltham, MA 02453

Bonus room • Private backyard • Laundry room

OPEN TODAY, 12:30PM TO 2PM

$539,900

4 beds4 baths1,443 sq ft

92 Brown St #2, Waltham, MA 02453

Fully renovated • E-i-k kitchen • Stainless appliances

OPEN TODAY, 12PM TO 1:30PM

$429,000

1 bed1 bath642 sq ft

19 Robbins St Unit 2-2, Waltham, MA 02453

Hardwood flooring • Central air • In-unit laundry

Home values near 21 Warren St Unit 2-4

Data from public records.

Address	Redfin Estimate
21 Warren St Apartment B1, Waltham, MA 2 Beds \| 1 Baths \| 710 Sq. Ft.	$423,457
21 Warren St Apartment 1-2, Waltham, MA 2 Beds \| 1 Baths \| 722 Sq. Ft.	$415,926
21 Warren St Apartment 2-2, Waltham, MA 2 Beds \| 1 Baths \| 724 Sq. Ft.	$423,057
21 Warren St Apartment 1-3, Waltham, MA 2 Beds \| 1 Baths \| 723 Sq. Ft.	$381,159
21 Warren St Apartment 21-B1, Waltham, MA 2 Beds \| 1 Baths \| 710 Sq. Ft.	$376,277

Address	Redfin Estimate
21 Warren St Apartment B2, Waltham, MA 2 Beds \| 1 Baths \| 709 Sq. Ft.	$416,089
21 Warren St Apartment 1-4, Waltham, MA 2 Beds \| 1 Baths \| 722 Sq. Ft.	$416,693
21 Warren St Apartment 2-3, Waltham, MA 2 Beds \| 1 Baths \| 725 Sq. Ft.	$426,460
31 Warren St Apartment 1-4 31, Waltham, MA 2 Beds \| 1 Baths \| 728 Sq. Ft.	$411,333
21 Warren St Apartment 1,21, Waltham, MA 2 Beds \| 1 Baths \| 710 Sq. Ft.	$392,308

Address	Redfin Estimate
21 Warren St Apartment B3, Waltham, MA 2 Beds \| 1 Baths \| 707 Sq. Ft.	$343,715
21 Warren St Apartment 2-1, Waltham, MA 2 Beds \| 1 Baths \| 726 Sq. Ft.	$413,911
21 Warren St Apartment 1-1, Waltham, MA 2 Beds \| 1 Baths \| 728 Sq. Ft.	$406,454
31 Warren St Apartment B-1,31, Waltham, MA 2 Beds \| 1 Baths \| 708 Sq. Ft.	$399,752
21 Warren St Apartment 1-1,21, Waltham, MA 2 Beds \| 1 Baths \| 723 Sq. Ft.	$416,446

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GreatSchools Ratings provided by GreatSchools.org.

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