Off market sep 2005 for $787K

$2,110,976

Est. refi paymentEst. refi $4,092/mo

•

2,535

sq ft

21 Saint Mary Rd, Cambridge, MA 02139

About this home

Victorian two-family on quiet way near Inman Square. Charming four-room apartment on first floor and updated unit on upper two floors with beautifully renovated eat-in kitchen with granite counters. Unheated partially finished room, kitchenette, and shower bath in lower level (not legal living space and not included in interior size). Treetop deck with stairs to secluded backyard. Ceiling fans and window a/c units included in sale.

Multi-familyProperty Type

1878Year Built

3,150 sq ftLot Size

$833Est. Price/Sq.Ft.

Listed by Carol Kelly • Hammond Real Estate

Bought with Roland Rambaud • Coldwell Banker Residential Brokerage - Cambridge - Huron Ave.

Redfin checked: 2 minutes ago

•Source:MLS PIN #70215420

Redfin Estimate

$2,110,976

$1.3M since sold in September 2005$49K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7.1% higher than the average sale price ($1.97M) of 6 comparable homes.

SOLD AUG 10, 2026
$2,325,000
A
4 beds2.5 baths1,839 sq ft
48 Amory St, Cambridge, MA 02139
SOLD MAY 5, 2026
$1,120,000
B
4 beds2 baths2,301 sq ft
48 Springfield St, Somerville, MA 02143
SOLD NOV 25, 2025
$2,425,000
C
3 beds3 baths2,594 sq ft
9 Oakland St, Cambridge, MA 02139
SOLD JUL 8, 2026
$2,460,000
D
3 beds2 baths2,265 sq ft
514 Franklin St, Cambridge, MA 02139
SOLD JAN 6, 2026
$1,260,000
E
5 beds2 baths2,175 sq ft
66 Elm St, Cambridge, MA 02139
SOLD JUN 22, 2026
$2,241,000
F
4 beds2.5 baths2,350 sq ft
15 Loring St, Somerville, MA 02143

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Earn from this home

Sell

$1,737,356

Est. take-home

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Refinance

Est. cash available

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Market trends in 02139, MA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.2%

0.5% MoM

Median sale price

$1.1M

$35K MoM

Avg. days on market

21d

1 days MoM

Recently sold homes

1 MoM

New listings for sale

$1,700,000
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$2,145,000
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3 beds1.5 baths1,519 sq ft
12 Salem St, Cambridge, MA 02139
OPEN TODAY, 1:30PM TO 2:30PM
$2,799,999
6 beds3.5 baths3,414 sq ft
350 Washington St, Cambridge, MA 02139
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$1,575,000
3 beds2.5 baths1,742 sq ft
20 Tufts St #20, Cambridge, MA 02139
$1,150,000
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42 Howard St, Cambridge, MA 02139
$639,000
1 bed1 bath687 sq ft
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99 Pleasant St Unit H, Cambridge, MA 02139
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1 bed1 bath599 sq ft
393 Broadway #8, Cambridge, MA 02139
See all

Provided by Redfin

Sale history for 21 Saint Mary Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,895 (+6.5%)

$1,014,400 + $1,016,300

$2,030,700

2024

$12,103 (+6.0%)

$1,066,100 + $978,300

$2,044,400

2023

$11,420 (+4.7%)

$1,086,200 + $862,600

$1,948,800

2022

$10,903 (+7.9%)

$1,080,200 + $761,500

$1,841,700

2021

$10,101 (+3.8%)

$1,006,800 + $719,800

$1,726,600

2020

$9,735 (+7.6%)

$986,900 + $706,200

$1,693,100

2019

$9,051 (+3.4%)

$866,800 + $657,000

$1,523,800

2018

$8,757 (+1.0%)

$783,500 + $608,700

$1,392,200

2017

$8,672 (+5.8%)

$766,800 + $569,400

$1,336,200

2016

$8,199 (+2.2%)

$643,500 + $529,400

$1,172,900

2015

$8,025 (+6.4%)

$556,800 + $469,400

$1,026,200

2014

$7,540 (+22.5%)

$480,100 + $419,700

$899,800

2013

$6,156 (+2.1%)

$413,400 + $297,500

$710,900

2012

$6,028 (+3.9%)

$413,400 + $297,500

$710,900

2011

$5,801

$413,400 + $297,500

$710,900

2010

$5,801 (+4.5%)

$413,400 + $297,500

$710,900

2009

$5,552

$432,100 + $302,300

$734,400

Tax history for 21 Saint Mary Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,895 (+6.5%)

$1,014,400 + $1,016,300

$2,030,700

2024

$12,103 (+6.0%)

$1,066,100 + $978,300

$2,044,400

2023

$11,420 (+4.7%)

$1,086,200 + $862,600

$1,948,800

2022

$10,903 (+7.9%)

$1,080,200 + $761,500

$1,841,700

2021

$10,101 (+3.8%)

$1,006,800 + $719,800

$1,726,600

2020

$9,735 (+7.6%)

$986,900 + $706,200

$1,693,100

2019

$9,051 (+3.4%)

$866,800 + $657,000

$1,523,800

2018

$8,757 (+1.0%)

$783,500 + $608,700

$1,392,200

2017

$8,672 (+5.8%)

$766,800 + $569,400

$1,336,200

2016

$8,199 (+2.2%)

$643,500 + $529,400

$1,172,900

2015

$8,025 (+6.4%)

$556,800 + $469,400

$1,026,200

2014

$7,540 (+22.5%)

$480,100 + $419,700

$899,800

2013

$6,156 (+2.1%)

$413,400 + $297,500

$710,900

2012

$6,028 (+3.9%)

$413,400 + $297,500

$710,900

2011

$5,801

$413,400 + $297,500

$710,900

2010

$5,801 (+4.5%)

$413,400 + $297,500

$710,900

2009

$5,552

$432,100 + $302,300

$734,400

*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

3,049 Sq. Ft.

Year renovated

—

Sq. Ft.

2,535

Year built

1878

Style

Multi-Family (2-4 Unit)

County

Middlesex County

APN

1699401S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 11, 2026.

Property details

Interior

Bathroom Information
# of Bathrooms (Full): 3

Basement Information
Basement: Full, Partially Finished

Interior Features
# of Rooms (Total): 11
Flooring: Wood, Carpet
Interior Features: Ceiling Fan(s), Living Room, Dining Room, Kitchen, Laundry Room

Unit #1 Information
# of Levels: 1
# of Floors: 1
Lease: N

Unit #2 Information
# of Levels: 2
# of Floors: 2
Lease: N

Exterior

Building Information
Building Area (Total): 2,535
Foundation Details: Stone, Brick/Mortar
Stories (Total): 3
Year Built Source: Public Records
Year Built Details: Approximate

Exterior Features
Roof: Slate
Patio And Porch Features: Deck, Patio

Property Information
PropertySubType: Multi Family

Lot Information
Lot Size (Acres): 0.07

Financial

Tax Information
Tax Annual Amount: $4,950.17
Tax Year: 2005

Utilities

Utility Information
Utilities: for Gas Range
Sewer: Public Sewer, City/Town Sewer
Water Source: Public, City/Town Water
Electric: 100 Amp Service

Heating & Cooling
Has Heating
Heating: Natural Gas
Heating Units: 2
Cooling: Window Unit(s), Multi Units
Cooling Units: 0

Location

Location Information
UnparsedAddress: 21 Saint Mary Road, Cambridge MA 02139

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,535
Stories: 2.0
Lot Size: 3,049 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1878
Year Renovated: —
County: Middlesex County
APN: 1699401S

Home facts updated by county records on Sep 11, 2026

Other

Miscellaneous Information
Heat Zones: 3

Listing Information
Exclusions: 1st Floor Refrigerator
StandardStatus: Closed

Around this home

Schools

John M. Tobin Montessori School

Public PreK-5 • Assigned • 0.1mi

9/10

Cambridge Street Upper School

Public 6-8 • Assigned • 0.5mi

7/10

Cambridge Rindge and Latin School

Public 9-12 • Assigned • 0.6mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Despite new zoning laws encouraging housing production, Cambridge remains a Seller's market driven by pent-up demand and a constant influx of buyers. Because it is a historic, built-out city, there is little new housing to replace existing...
2 weeks ago • Cambridge
Benjamin Ginsburg
Redfin Premier agent
155 deals
Was this helpful?
The Cambridge market is quite resilient. New zoning regulations now allow MF homes on traditional SF lots, as the City aims to boost housing supply & improve affordability. The high demand is consistently driven by the area's world-class healthcare,...
3 weeks ago • Cambridge
Kyle MacNichol
Redfin Premier agent
57 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

6/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

6/10 Wind Factor

64% chance of strong winds in next 30 years

3/10 Air Factor

3 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Cambridge, MA • 02139

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 9.2 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.01M – $2.43M

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Home values near 21 Saint Mary Rd

Data from public records.

Address	Redfin Estimate
19 Saint Mary Road Unit 17, Cambridge, MA 4 Beds \| 2.5 Baths \| 2071 Sq. Ft.	$2,017,914
23 Saint Mary Road, Cambridge, MA 4 Beds \| 2 Baths \| 1820 Sq. Ft.	$2,061,595

Address	Redfin Estimate
19 Saint Mary Road Unit 19, Cambridge, MA 5 Beds \| 1.5 Baths \| 1841 Sq. Ft.	$1,653,156
77 Amory Street, Cambridge, MA 6 Beds \| 3 Baths \| 2665 Sq. Ft.	$1,875,898

Address	Redfin Estimate
13 Saint Mary Road, Cambridge, MA 6 Beds \| 2 Baths \| 3068 Sq. Ft.	$2,303,035
90 Inman Street Unit 4, Cambridge, MA 3 Beds \| 1 Baths \| 997 Sq. Ft.	$950,649

Property information provided by MLS PIN when last listed in 2005. This data may not match . Learn more.

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