Google street view image for 21 Warren St Unit 1,21

Off market dec 1995 for $72K

$398,406

•

710

sq ft

21 Warren St Unit 1,21, Waltham, MA

About this home

CondoProperty Type

1967Year Built

$561Est. Price/Sq.Ft.

2 spacesParking

Listed by Helen Lawrence • RE/MAX First Realty, Inc.

Bought with Helen Lawrence • Dewolfe-Waltham

Redfin checked: 3 minutes ago

•Source:MLS PIN #50307955

Redfin Estimate

$398,406

$326K since sold in December 1995$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% higher than the average sale price ($380K) 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 AUG 31, 2026
$275,000
B
2 beds1 bath600 sq ft
109 Warren St #3, Watertown, MA 02472
SOLD SEP 9, 2026
$379,000
C
2 beds1 bath600 sq ft
186 Lexington St #7, Watertown, MA 02472
SOLD BY REDFIN JUL 30, 2026
$378,000
D
2 beds1 bath600 sq ft
121 Warren St #4, Watertown, MA 02472
SOLD BY REDFIN MAY 29, 2026
$415,000
E
2 beds1 bath708 sq ft
31 Warren St Unit B1, Waltham, MA 02453
SOLD JUN 16, 2026
$430,000
F
2 beds1 bath733 sq ft
20 Whitman Rd Unit 2-1, Waltham, MA 02453

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Earn from this home

Rent

$2,323/mo

Redfin rental estimate

List your home for rent

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

$539,900
4 beds4 baths1,443 sq ft
92 Brown St #2, Waltham, MA 02453
$429,000
1 bed1 bath642 sq ft
19 Robbins St Unit 2-2, Waltham, MA 02453

Provided by Redfin

Sale history for 21 Warren St Unit 1,21

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Condo/Co-op

County

Middlesex County

APN

—

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Apr 7, 2023.

Property details

Parking

Parking Information
Has Garage
Parking Spaces: 2
AttachedGarageYN: Yes
Parking Features: Attached, Deeded, Guest

Interior

Master Bedroom Information
Level: Basement

Bedroom #2 Information
Level: Basement

Bathroom Information
# of Bathrooms (Full): 1

Living Room Information
Level: Basement

Dining Room Information
Level: Basement

Basement Information
Basement: Y

Appliances
Other Equipment: Intercom

Interior Features
# of Rooms (Total): 4

Exterior

Building Information
Building Area (Total): 710
Year Built Effective: 0

Exterior Features
Roof: Shingle

Property Information
PropertySubType: Condominium
Entry Level: 1

Financial

Tax Information
Tax Annual Amount: $928

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public, City/Town Water, City/Town Sewer

Heating & Cooling
Has Heating
Has Cooling
Heating: Baseboard, Natural Gas
Cooling: Wall Unit(s)

Location

HOA Information
Association Fee: $164
Association Amenities: Pool, Laundry

Location Information
Directions: MAIN ST
UnparsedAddress: 21 Warren St # 21, Waltham MA

Community Information
Senior CommunityYN: No

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Condo/Co-op
Year Built: —
Year Renovated: —
County: Middlesex County
APN: —

Home facts updated by county records on Apr 7, 2023

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
StandardStatus: Closed

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 • undefined

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

$379,000 – $459,000

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

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Home values near 21 Warren St Unit 1,21

Data from public records.

Address	Redfin Estimate
21 Warren Street #B1, Waltham, MA 2 Beds \| 1 Baths \| 710 Sq. Ft.	$421,985
21 Warren Street #1-2, Waltham, MA 2 Beds \| 1 Baths \| 722 Sq. Ft.	$420,890
21 Warren Street #2-2, Waltham, MA 2 Beds \| 1 Baths \| 724 Sq. Ft.	$415,185
21 Warren Street #1-1, Waltham, MA 2 Beds \| 1 Baths \| 728 Sq. Ft.	$416,364
31 Warren Street #1-3,31, Waltham, MA 2 Beds \| 1 Baths \| 727 Sq. Ft.	$404,838
31 Warren Street #1,B1, Waltham, MA 2 Beds \| 1 Baths \| 708 Sq. Ft.	$414,747

Address	Redfin Estimate
21 Warren Street #B2, Waltham, MA 2 Beds \| 1 Baths \| 709 Sq. Ft.	$417,009
21 Warren Street #1-4, Waltham, MA 2 Beds \| 1 Baths \| 722 Sq. Ft.	$414,870
21 Warren Street #2-3, Waltham, MA 2 Beds \| 1 Baths \| 725 Sq. Ft.	$435,240
21 Warren Street #1-3, Waltham, MA 2 Beds \| 1 Baths \| 723 Sq. Ft.	$409,103
31 Warren Street #B-1,31, Waltham, MA 2 Beds \| 1 Baths \| 708 Sq. Ft.	$401,773
21 Warren Street #1-1,21, Waltham, MA 2 Beds \| 1 Baths \| 723 Sq. Ft.	$418,227

Address	Redfin Estimate
21 Warren Street #B3, Waltham, MA 2 Beds \| 1 Baths \| 707 Sq. Ft.	$370,537
21 Warren Street #2-1, Waltham, MA 2 Beds \| 1 Baths \| 726 Sq. Ft.	$418,700
21 Warren Street #2-4, Waltham, MA 2 Beds \| 1 Baths \| 724 Sq. Ft.	$457,283
31 Warren Street #1-4 31, Waltham, MA 2 Beds \| 1 Baths \| 728 Sq. Ft.	$420,387
21 Warren Street #21-B1, Waltham, MA 2 Beds \| 1 Baths \| 710 Sq. Ft.	$395,005
21 Warren Street #2-4, Waltham, MA 2 Beds \| 1 Baths \| 724 Sq. Ft.	$430,939

Property information provided by MLS PIN when last listed in 1995. This data may not match . Learn more.

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