Google street view image for 21 Hillside Rd, Watertown, MA 02472

OFF MARKET

$968,243

•

1.5 ba

•

1,519

sq ft

21 Hillside Rd, Watertown, MA 02472

About this home

21 Hillside Rd is a 1,519 square foot house on a 4,792 square foot lot with 3 bedrooms and 1.5 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $968,243.

Single-familyProperty Type

1956Year Built

4,792 sq ftLot Size

$637Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$968,243

$59K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.2% lower than the average sale price ($1.12M) of 6 comparable homes.

SOLD MAY 22, 2026
$850,000
A
3 beds1 bath1,414 sq ft
25 Merrifield Ave, Watertown, MA 02472
SOLD AUG 10, 2026
$1,305,000
B
3 beds1 bath1,490 sq ft
109 Shaw Rd, Belmont, MA 02478
SOLD JUL 7, 2026
$670,000
C
3 beds1.5 baths1,400 sq ft
79 Goodenough St, Brighton, MA 02135
SOLD JUN 22, 2026
$1,600,000
D
4 beds1.5 baths1,664 sq ft
16 Preble Gardens Rd, Belmont, MA 02478
SOLD JUN 12, 2026
$825,000
E
3 beds1 bath2,434 sq ft
312 Charles River Rd, Watertown, MA 02472
SOLD JUL 13, 2026
$1,445,000
F
3 beds2 baths2,198 sq ft
343 School St, Belmont, MA 02478

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Earn from this home

Sell

$919,257

Est. take-home

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Rent

$3,426/mo

Redfin rental estimate

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Market trends in 02472, MA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.6%

+0.1% MoM

Median sale price

$850K

$5K MoM

Avg. days on market

19d

0 days MoM

Recently sold homes

102

6 MoM

New listings for sale

OPEN TODAY, 11:30AM TO 1PM
$825,000
2 beds2 baths1,397 sq ft
199 Coolidge Ave #307, Watertown, MA 02472
$1,250,000
4 beds2 baths2,200 sq ft
6 Bates Rd E, Watertown, MA 02472
OPEN TODAY, 11AM TO 1PM
$759,000
2 beds2 baths1,050 sq ft
20 Beechwood Ave Unit A-2, Watertown, MA 02472
$545,000
2 beds1.5 baths1,311 sq ft
956 Belmont #956, Washington, DC 20472
$869,900
3 beds1.5 baths1,873 sq ft
97 Melendy Ave #97, Watertown, MA 02472
$650,000
2 beds1.5 baths1,683 sq ft
9 Circuit Ln #9, Watertown, MA 02472
OPEN TODAY, 11AM TO 12:30PM
$525,000
2 beds1 bath1,231 sq ft
84 Duff St #84, Watertown, MA 02472
$599,000
2 beds2 baths1,270 sq ft
131 Coolidge Ave #526, Watertown, MA 02472
$1,499,000
5 beds2 baths2,416 sq ft
27 Woodleigh Rd, Watertown, MA 02472
$1,099,000
5 beds3 baths2,300 sq ft
7 Hearn, Watertown, MA 02472
See all

Provided by Redfin

Sale history for 21 Hillside Rd

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

Year

Property tax

Land + Additions

Assessment*

2026

$10,413 (+6.2%)

$515,600 + $337,900

$853,500

2025

$9,805 (+7.1%)

$515,600 + $323,900

$839,500

2024

$9,156 (−6.7%)

$498,800 + $283,800

$782,600

2023

$9,817 (+13.5%)

$470,300 + $252,600

$722,900

2022

$8,648 (+12.4%)

$409,700 + $243,000

$652,700

2021

$7,691 (+2.1%)

$384,800 + $243,000

$627,800

2020

$7,534 (+5.6%)

$377,600 + $243,000

$620,600

2019

$7,132 (+1.4%)

$363,400 + $190,300

$553,700

2018

$7,033 (+2.6%)

$356,300 + $165,800

$522,100

2017

$6,856 (+4.7%)

$327,800 + $165,800

$493,600

2016

$6,551 (−1.7%)

$327,800 + $151,100

$478,900

2015

$6,661 (+0.5%)

$292,100 + $151,100

$443,200

2014

$6,630 (+1.9%)

$292,100 + $151,100

$443,200

2013

$6,506 (+8.9%)

$292,100 + $151,100

$443,200

2012

$5,972 (+15.3%)

$263,600 + $151,100

$414,700

2011

$5,181 (+1.2%)

$233,300 + $138,900

$372,200

2010

$5,120 (−2.4%)

$245,800 + $138,900

$384,700

2009

$5,246

$276,800 + $151,800

$428,600

Tax history for 21 Hillside Rd

Year

Property tax

Land + Additions

Assessment*

2026

$10,413 (+6.2%)

$515,600 + $337,900

$853,500

2025

$9,805 (+7.1%)

$515,600 + $323,900

$839,500

2024

$9,156 (−6.7%)

$498,800 + $283,800

$782,600

2023

$9,817 (+13.5%)

$470,300 + $252,600

$722,900

2022

$8,648 (+12.4%)

$409,700 + $243,000

$652,700

2021

$7,691 (+2.1%)

$384,800 + $243,000

$627,800

2020

$7,534 (+5.6%)

$377,600 + $243,000

$620,600

2019

$7,132 (+1.4%)

$363,400 + $190,300

$553,700

2018

$7,033 (+2.6%)

$356,300 + $165,800

$522,100

2017

$6,856 (+4.7%)

$327,800 + $165,800

$493,600

2016

$6,551 (−1.7%)

$327,800 + $151,100

$478,900

2015

$6,661 (+0.5%)

$292,100 + $151,100

$443,200

2014

$6,630 (+1.9%)

$292,100 + $151,100

$443,200

2013

$6,506 (+8.9%)

$292,100 + $151,100

$443,200

2012

$5,972 (+15.3%)

$263,600 + $151,100

$414,700

2011

$5,181 (+1.2%)

$233,300 + $138,900

$372,200

2010

$5,120 (−2.4%)

$245,800 + $138,900

$384,700

2009

$5,246

$276,800 + $151,800

$428,600

*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: 744

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

Heating & Cooling
Heating Type: Forced Hot Water

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 1,519
Gross Sq. Ft: 2,371
# of Units: 1
# of Stories: 2

Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 4,792
Municipality Name: WATERTOWN
Acres: 0.11
Zoning Code: T
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 1.5
Sq. Ft.: 1,519
Stories: 2.0
Lot Size: 4,792 square feet
Style: Single Family Residential
Year Built: 1956
Year Renovated: —
County: Middlesex County
APN: 562768S

Home facts updated by county records on Jul 29, 2026

Around this home

Schools

Hosmer Elementary School

Public PreK-5 • Assigned • 0.4mi

7/10

Watertown Middle School

Public 6-8 • Assigned • 1.5mi

7/10

Watertown High School

Public 9-12 • Assigned • 1.6mi

6/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Watertown's urban-suburban feeling paired with its proximity to Cambridge & Boston have caused it to rapidly transform into a destination for home buyers. Historically a manufacturing city, it has changed into a restaurant, shopping, and biotech hub...
2 months ago • Watertown
Benjamin Ginsburg
Redfin Premier agent
152 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

6/10 Heat Factor

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

6/10 Wind Factor

59% 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

Watertown, MA • 02472

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

$920,000 – $1.11M

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Home values near 21 Hillside Rd

Data from public records.

Address	Redfin Estimate
32 Hillside Rd, Watertown, MA 5 Beds \| 3.5 Baths \| 4049 Sq. Ft.	$1,547,995
28 Hillside Rd Apt 1, Watertown, MA 3 Beds \| 2.5 Baths \| 1476 Sq. Ft.	$854,835

Address	Redfin Estimate
18 Hillside Rd, Watertown, MA 3 Beds \| 1 Baths \| 1938 Sq. Ft.	$1,055,770
30 Hillside Rd, Watertown, MA 3 Beds \| 2.5 Baths \| 1454 Sq. Ft.	$870,264

Address	Redfin Estimate
14 Hillside Rd, Watertown, MA 4 Beds \| 1 Baths \| 2043 Sq. Ft.	$1,157,868
24 Hillside Rd Apt 1, Watertown, MA 1 Beds \| 1 Baths \| 236 Sq. Ft.	$376,017

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