OFF MARKET

Off Market Jan 2019 for $1.3M

$1,876,485

•

2,130

sq ft

21 Dunbarton Rd, Belmont, MA 02478

About this home

Rare opportunity to live on a quiet street, steps from Belmont Center and the commuter rail! Lovely 5 bedroom home features recently refinished hw floors, Harvey replacement windows & freshly painted interior. Foyer opens to lg living room w/ fp on one side & a formal dining room on the other. There's an eat-in kitchen w/ windows overlooking the expansive backyard, & a fabulous 3 season, enclosed porch that also allows for integration w/ nature. Completing the 1st level is a bedroom/office & a powder room. 2nd floor has 4 bedrooms, including a master w/ walk-in closet & en suite bathroom. There is also a family bathroom on this level. 3rd floor is a walk-up, with lots of room for storage. Lower level features a terrific finished family room w/ large brick fp and wood floors, as well as additional storage space. Completing this amazing listing is a large two-car garage. Highly desirable location is only blocks from the train station and Belmont Center’s wonderful shops and restaurants.

Single-familyProperty Type

1930Year Built

8,859 sq ftLot Size

$881Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Anne Mahon • Leading Edge Real Estate

Bought with Coleman Group • William Raveis R.E. & Home Services

Redfin checked: a few seconds ago

•Source:MLS PIN #72430313

Redfin Estimate

$1,876,485

$503K since sold in January 2019$14K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.5% higher than the average sale price ($1.68M) of 6 comparable homes.

SOLD JUL 7, 2026
$1,750,000
A
2 beds2.5 baths2,415 sq ft
27 Wellington Ln, Belmont, MA 02478
SOLD JUN 22, 2026
$2,050,000
B
4 beds2.5 baths2,731 sq ft
70 Goden St, Belmont, MA 02478
SOLD JUL 31, 2026
$1,400,000
C
3 beds2 baths2,328 sq ft
61 Washington, Belmont, MA 02478
SOLD JUN 30, 2026
$1,365,000
D
4 beds2.5 baths2,093 sq ft
32 Marcia Rd, Watertown, MA 02472
SOLD NOV 17, 2025
$1,560,000
E
5 beds3 baths2,143 sq ft
326 Lake, Belmont, MA 02478
SOLD DEC 5, 2025
$1,970,000
F
4 beds2.5 baths1,915 sq ft
60 Kilburn Rd, Belmont, MA 02478

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Earn from this home

Sell

$854,486

Est. take-home

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Rent

$5,289/mo

Redfin rental estimate

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Market trends in 02478, MA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.7%

+0.1% MoM

Median sale price

$1.4M

$29K MoM

Avg. days on market

16d

1 days MoM

Recently sold homes

14 MoM

New listings for sale

OPEN FRI, 11AM TO 12:30PM
$929,900
3 beds2.5 baths1,845 sq ft
81 Grant Ave #81, Belmont, MA 02478
OPEN SUN, 1:30PM TO 2:45PM
$2,499,000
5 beds3.5 baths2,859 sq ft
45 Wellesley Rd, Belmont, MA 02478
See all

Provided by Redfin

Sale history for 21 Dunbarton Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,033 (+3.6%)

$1,000,000 + $671,000

$1,671,000

2024

$18,374 (+13.9%)

$1,246,000 + $494,000

$1,740,000

2023

$16,129 (+6.3%)

$950,000 + $485,000

$1,435,000

2022

$15,167 (−0.4%)

$870,000 + $442,000

$1,312,000

2021

$15,233 (+3.2%)

$952,000 + $368,000

$1,320,000

2020

$14,762 (+12.9%)

$1,015,000 + $327,000

$1,342,000

2019

$13,070 (+11.1%)

$792,000 + $328,000

$1,120,000

2018

$11,761 (+1.3%)

$640,000 + $328,000

$968,000

2017

$11,611 (+1.3%)

$587,000 + $328,000

$915,000

2016

$11,467 (+8.3%)

$587,000 + $326,000

$913,000

2015

$10,591 (+3.0%)

$501,000 + $320,000

$821,000

2014

$10,287 (+1.3%)

$442,000 + $320,000

$762,000

2013

$10,157 (+5.7%)

$442,000 + $320,000

$762,000

2012

$9,612 (+2.5%)

$370,000 + $350,000

$720,000

2011

$9,374 (+5.3%)

$370,000 + $338,000

$708,000

2010

$8,901 (+2.1%)

$370,000 + $362,000

$732,000

2009

$8,715

$378,000 + $355,000

$733,000

Tax history for 21 Dunbarton Rd

Year

Property tax

Land + Additions

Assessment*

2025

$19,033 (+3.6%)

$1,000,000 + $671,000

$1,671,000

2024

$18,374 (+13.9%)

$1,246,000 + $494,000

$1,740,000

2023

$16,129 (+6.3%)

$950,000 + $485,000

$1,435,000

2022

$15,167 (−0.4%)

$870,000 + $442,000

$1,312,000

2021

$15,233 (+3.2%)

$952,000 + $368,000

$1,320,000

2020

$14,762 (+12.9%)

$1,015,000 + $327,000

$1,342,000

2019

$13,070 (+11.1%)

$792,000 + $328,000

$1,120,000

2018

$11,761 (+1.3%)

$640,000 + $328,000

$968,000

2017

$11,611 (+1.3%)

$587,000 + $328,000

$915,000

2016

$11,467 (+8.3%)

$587,000 + $326,000

$913,000

2015

$10,591 (+3.0%)

$501,000 + $320,000

$821,000

2014

$10,287 (+1.3%)

$442,000 + $320,000

$762,000

2013

$10,157 (+5.7%)

$442,000 + $320,000

$762,000

2012

$9,612 (+2.5%)

$370,000 + $350,000

$720,000

2011

$9,374 (+5.3%)

$370,000 + $338,000

$708,000

2010

$8,901 (+2.1%)

$370,000 + $362,000

$732,000

2009

$8,715

$378,000 + $355,000

$733,000

*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

2.5

Stories

Lot width

—

Lot depth

—

Lot size

8,712 Sq. Ft.

Year renovated

1930

Sq. Ft.

1,879

Year built

1930

Style

Single Family Residential

County

Middlesex County

APN

2373053S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 29, 2026.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 2
# of Covered Spaces: 2
Parking Spaces: 3
Parking Features: Detached, Paved Drive, Off Street, Paved

Interior

Master Bedroom Information
Area: 234
Length: 18
Width: 13
Level: Second
Features: Bathroom - 3/4,Walk-In Closet(s),Closet,Flooring - Hardwood

Bedroom #2 Information
Area: 156
Length: 13
Width: 12
Level: Second
Features: Closet,Flooring - Hardwood

Bedroom #3 Information
Area: 108
Length: 12
Width: 9
Level: Second
Features: Closet,Flooring - Hardwood

Bedroom #4 Information
Area: 120
Length: 12
Width: 10
Level: Second
Features: Closet,Flooring - Hardwood

Bedroom #5 Information
Area: 100
Length: 10
Width: 10
Level: First
Features: Closet,Flooring - Hardwood

Bathroom Information
# of Bathrooms (Full): 2
# of Bathrooms (Half): 1
Master Bathroom Features: Yes

Bathroom #1 Information
Level: First
Features: Bathroom - Half,Flooring - Stone/Ceramic Tile

Bathroom #2 Information
Level: Second
Features: Bathroom - Full,Bathroom - Tiled With Tub & Shower,Closet - Linen

Bathroom #3 Information
Level: Second
Features: Bathroom - Tiled With Shower Stall,Flooring - Stone/Ceramic Tile

Living Room Information
Area: 260
Length: 20
Width: 13
Level: First
Features: Flooring - Hardwood

Family Room Information
Area: 260
Length: 20
Width: 13
Level: Basement
Features: Flooring - Wood

Dining Room Information
Area: 156
Length: 12
Width: 13
Level: First
Features: Flooring - Hardwood

Kitchen Information
Area: 170
Length: 17
Width: 10
Level: First
Features: Flooring - Vinyl,Window(s) - Picture,Dining Area,Exterior Access

Basement Information
Basement: Full, Partially Finished, Bulkhead, Concrete

Laundry Information
Laundry Features: Gas Dryer Hookup, Electric Dryer Hookup, Washer Hookup

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 2
Fireplace Features: Family Room

Interior Features
# of Rooms (Total): 9
Window Features: Insulated Windows
Flooring: Wood, Tile, Vinyl, Flooring - Hardwood, Laminate
Interior Features: Closet, Entrance Foyer, Mud Room, Walk-Up Attic

Exterior

Building Information
Building Area (Total): 2,130
Foundation Details: Block
Construction Materials: Frame
Year Built Source: Public Records
Year Built Details: Approximate
Color: brick/whit

Exterior Features
Roof: Shingle
Exterior Features: Rain Gutters

Property Information
PropertySubType: Single Family Residence
Green Energy Efficient : Thermostat

Lot Information
Lot Size (Acres): 0.2
Road Frontage Type: Public

Financial

Tax Information
Tax Annual Amount: $11,761
Tax Year: 2018

Utilities

Utility Information
Utilities: for Gas Range, for Gas Dryer, for Electric Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public
Electric: Circuit Breakers, 100 Amp Service

Heating & Cooling
Has Heating
Has Cooling
Heating: Steam, Natural Gas
Cooling: Window Unit(s)

Location

Location Information
Directions: Off of Common Street or Royal Road
UnparsedAddress: 21 Dunbarton Road, Belmont MA 02478

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Conservation Area, House of Worship, Private School, Public School, T-Station

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 1,879
Stories: 2.0
Lot Size: 8,712 square feet
Style: Single Family Residential
Year Built: 1930
Year Renovated: 1930
County: Middlesex County
APN: 2373053S

Home facts updated by county records on Jul 29, 2026

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
Exclusions: Personal Property
StandardStatus: Closed

Around this home

Schools
Places
Transit

Roger Wellington Elementary School

Public PreK-3 • Assigned • 0.3mi

8/10

Belmont High School

Public 9-12 • Assigned • 0.6mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Belmont is a low-inventory, high-demand market driven both by restrictive zoning laws & proximity to Cambridge. New housing production is scarce, with demand for properties always exceeding supply. This will keep the market difficult for buyers and...
2 months ago • Belmont
Benjamin Ginsburg
Redfin Premier agent
151 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 96° expected this year, 15 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

Belmont, MA • 02478

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

$1.78M – $2.16M

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Home values near 21 Dunbarton Rd

Data from public records.

Address	Redfin Estimate
43 Dunbarton Rd, Belmont, MA 4 Beds \| 2.5 Baths \| 2533 Sq. Ft.	$2,082,623
19 Dunbarton Rd, Belmont, MA 4 Beds \| 3 Baths \| 3012 Sq. Ft.	$2,475,253

Address	Redfin Estimate
31 Dunbarton Rd, Belmont, MA 4 Beds \| 3.5 Baths \| 2532 Sq. Ft.	$2,068,088
11 Dunbarton Rd, Belmont, MA 3 Beds \| 3 Baths \| 2678 Sq. Ft.	$2,039,763

Address	Redfin Estimate
25 Dunbarton Rd, Belmont, MA 4 Beds \| 3 Baths \| 2636 Sq. Ft.	$2,169,794
4 Dunbarton Rd, Belmont, MA 4 Beds \| 3.5 Baths \| 2993 Sq. Ft.	$2,225,635

Property information provided by MLS PIN when last listed in 2018. This data may not match . Learn more.

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