OFF MARKET

Off Market Sep 2020 for $1.9M

$2,490,803

Est. refi paymentEst. refi $1,198/mo

•

3,000

sq ft

21 Winthrop Rd, Belmont, MA 02478

About this home

Nestled on a tranquil tree lined street this beautifully refurbished (2017) ten room Colonial is sited on a .24 acre lot. Bathed in sunlight this home is highlighted by a large fire-placed living room with walls of glass that opens to an expansive deck overlooking lush grounds with stone patio. The open concept design boasts a generous dining room and chef's kitchen replete with large island, stainless steel appliances and wet bar adjacent to the family room. A welcoming sitting room, mudroom w/built-ins and half bath complete the first floor. The second floor boasts four generous bedrooms including an en-suite master bedroom with fireplace and walk-in closet, a second en-suite bedroom, a family bath and laundry room. The third floor is enhanced by a carpeted bonus room with skylight. Additional features include handsome millwork, hardwood floors, copper gutters, irrigation system & unfinished LL. This idyllic setting is mere steps to Belmont Center, schools & public transportation.

Single-familyProperty Type

1923Year Built

10,408 sq ftLot Size

$830Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Barbara Nolan • Coldwell Banker Realty - Belmont

Bought with Anne Mahon • Leading Edge Real Estate

Redfin checked: a minute ago

•Source:MLS PIN #72712397

Redfin Estimate

$2,490,803

$531K since sold in September 2020$11K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.6% higher than the average sale price ($2.40M) of 6 comparable homes.

SOLD JUL 22, 2026
$2,000,000
A
4 beds3 baths3,570 sq ft
248 Slade St, Belmont, MA 02478
SOLD MAY 5, 2026
$2,200,000
B
4 beds3.5 baths3,288 sq ft
207 Slade St, Belmont, MA 02478
SOLD JUL 31, 2026
$2,500,000
C
4 beds3.5 baths3,380 sq ft
35 Richardson Rd, Belmont, MA 02478
SOLD MAR 26, 2026
$2,925,000
D
5 beds3.5 baths3,386 sq ft
11 Hillcrest Rd, Belmont, MA 02478
SOLD NOV 14, 2025
$2,750,000
E
5 beds3.5 baths2,994 sq ft
16 Fairmont St, Belmont, MA 02478
SOLD MAY 1, 2026
$2,050,000
F
4 beds3.5 baths3,093 sq ft
27 Stella Rd, Belmont, MA 02478

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Sell

$982,359

Est. take-home

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Est. cash available

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Rent

$7,438/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

$879,000
2 beds1 bath1,130 sq ft
114 Payson Rd #2, Belmont, MA 02478
3D WALKTHROUGH
$879,000
2 beds1 bath1,530 sq ft
112 Payson #1, Belmont, MA 02478
$1,388,800
4 beds2 baths2,834 sq ft
24-26 Baker St, Belmont, MA 02478
HOT HOME
$929,900
3 beds2.5 baths1,845 sq ft
81 Grant Ave #81, Belmont, MA 02478
$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 Winthrop Rd

Date

Event

Price

MLS PIN #72712397

Sep 28, 2020

Sold

$1,960,000

$653/sq ft

Aug 19, 2020

Listed

$1,850,000

$617/sq ft

MLS PIN #72105362

Apr 14, 2017

Sold

$1,662,500

$554/sq ft

Mar 4, 2017

Pending

—

Jan 4, 2017

Listed

$1,699,000

$566/sq ft

+23

A Belmont Classic:Restored and expanded 10rm Colonial situated on a spectacular lot and locale. Designed and crafted to enhance the views from the great rm and open kitchen. The family rm provides 3 walls of glass, gas fireplace, in-ceiling speakers &opens to an oversized deck. A double-parlor provides an option on living and entertaining. The kitchen is a cook's dream featuring Dacor double ovens, gas cooktop with pot filler faucet, island with under cabinets, Kalamera wine cooler in the bar area&speakers. The mudroom and placement of bath and 1st floor layout are architecturally influenced. The 2nd level offers are not to be missed, MBR featuring a gas fireplace, oversized laundry room, walk in closet, double sinks, & granite walk in shower. The second master has en-suite bath. Copper gutters highlight the exterior while master millwork engulf the interior.Park-like setting across the street and wonderful vistas abound over 3 floors. Bel Center, commuter rail, schools, all walkable!

MLS PIN #71998336

Jun 9, 2016

Sold

$810,000

$270/sq ft

May 3, 2016

Pending

—

May 2, 2016

Listed

$900,000

$300/sq ft

Welcoming Center Entrance Colonial home, on one of the most desirable streets in Belmont. Close to town center, shops, and restaurants. Minutes from the top-rated Elementary, Middle and High School in the Commonwealth. Four large bedrooms, plenty of closet space and storage, two full bathrooms with a detached one car garage and two off street parking spaces; complete this rare offering. Make this your own private sanctuary, home sold "as is".

Public Records

Feb 26, 1988

Sold

$189,000

$63/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$27,928 (+14.2%)

$1,041,000 + $1,411,000

$2,452,000

2024

$24,457 (+9.3%)

$1,297,000 + $1,019,000

$2,316,000

2023

$22,379 (+5.0%)

$989,000 + $1,002,000

$1,991,000

2022

$21,305 (+2.5%)

$905,000 + $938,000

$1,843,000

2021

$20,795 (+1.2%)

$991,000 + $811,000

$1,802,000

2020

$20,548 (+10.7%)

$1,057,000 + $811,000

$1,868,000

2019

$18,555 (+6.6%)

$824,000 + $766,000

$1,590,000

2018

$17,399 (+44.6%)

$666,000 + $766,000

$1,432,000

2017

$12,030 (+1.4%)

$611,000 + $337,000

$948,000

2016

$11,869 (+7.5%)

$611,000 + $334,000

$945,000

2015

$11,042 (+3.5%)

$522,000 + $334,000

$856,000

2014

$10,665 (+1.3%)

$460,000 + $330,000

$790,000

2013

$10,531 (+4.9%)

$460,000 + $330,000

$790,000

2012

$10,039 (+2.9%)

$385,000 + $367,000

$752,000

2011

$9,758 (+4.8%)

$385,000 + $352,000

$737,000

2010

$9,315 (+2.4%)

$385,000 + $381,000

$766,000

2009

$9,096

$393,000 + $372,000

$765,000

Tax history for 21 Winthrop Rd

Year

Property tax

Land + Additions

Assessment*

2025

$27,928 (+14.2%)

$1,041,000 + $1,411,000

$2,452,000

2024

$24,457 (+9.3%)

$1,297,000 + $1,019,000

$2,316,000

2023

$22,379 (+5.0%)

$989,000 + $1,002,000

$1,991,000

2022

$21,305 (+2.5%)

$905,000 + $938,000

$1,843,000

2021

$20,795 (+1.2%)

$991,000 + $811,000

$1,802,000

2020

$20,548 (+10.7%)

$1,057,000 + $811,000

$1,868,000

2019

$18,555 (+6.6%)

$824,000 + $766,000

$1,590,000

2018

$17,399 (+44.6%)

$666,000 + $766,000

$1,432,000

2017

$12,030 (+1.4%)

$611,000 + $337,000

$948,000

2016

$11,869 (+7.5%)

$611,000 + $334,000

$945,000

2015

$11,042 (+3.5%)

$522,000 + $334,000

$856,000

2014

$10,665 (+1.3%)

$460,000 + $330,000

$790,000

2013

$10,531 (+4.9%)

$460,000 + $330,000

$790,000

2012

$10,039 (+2.9%)

$385,000 + $367,000

$752,000

2011

$9,758 (+4.8%)

$385,000 + $352,000

$737,000

2010

$9,315 (+2.4%)

$385,000 + $381,000

$766,000

2009

$9,096

$393,000 + $372,000

$765,000

*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

Stories

Lot width

—

Lot depth

—

Lot size

10,454 Sq. Ft.

Year renovated

1923

Sq. Ft.

2,909

Year built

1923

Style

Single Family Residential

County

Middlesex County

APN

3654048S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 30, 2026.

Property details

Parking

Parking Information
Has Garage
Has Open Parking
# of Garage Spaces: 1
# of Covered Spaces: 1
Parking Spaces: 3
Parking Features: Detached, Paved Drive, Off Street

Interior

Master Bedroom Information
Area: 196
Length: 14
Width: 14
Level: Second
Features: Bathroom - Full,Walk-In Closet(s),Flooring - Hardwood

Bedroom #2 Information
Area: 182
Length: 14
Width: 13
Level: Second
Features: Bathroom - Full,Closet,Flooring - Hardwood

Bedroom #3 Information
Area: 143
Length: 13
Width: 11
Level: Second
Features: Closet,Flooring - Hardwood

Bedroom #4 Information
Area: 140
Length: 14
Width: 10
Level: Second
Features: Closet,Flooring - Hardwood

Bathroom Information
# of Bathrooms (Full): 3
# of Bathrooms (Half): 1
Master Bathroom Features: Yes

Bathroom #1 Information
Level: First
Features: Bathroom - Half

Bathroom #2 Information
Level: Second
Features: Bathroom - Full

Living Room Information
Area: 315
Length: 15
Width: 21
Level: First
Features: Flooring - Hardwood,French Doors,Deck - Exterior,Exterior Access,Recessed Lighting,Slider

Family Room Information
Area: 182
Length: 13
Width: 14
Level: First
Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,French Doors,Open Floorplan

Dining Room Information
Area: 224
Length: 16
Width: 14
Level: First
Features: Closet/Cabinets - Custom Built,Flooring - Hardwood,Open Floorplan

Kitchen Information
Area: 228
Length: 19
Width: 12
Level: First
Features: Flooring - Hardwood,Countertops - Stone/Granite/Solid,Kitchen Island,Wet Bar,Open Floorplan,Pot Filler Faucet,Wine Chiller

Office Room Information
Area: 64
Length: 8
Width: 8
Level: Third

Basement Information
Basement: Full, Interior Entry

Laundry Information
Laundry Features: Second Floor, Electric Dryer Hookup, Washer Hookup

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 2
Fireplace Features: Living Room, Master Bedroom

Interior Features
# of Rooms (Total): 10
Door Features: French Doors
Window Features: Window(s) - Picture, Skylight, Insulated Windows
Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Wall to Wall Carpet
Interior Features: Closet/Cabinets - Custom Built, Sitting Room, Mud Room, Bonus Room, Office, Wet Bar, Walk-Up Attic, Wired for Sound

Exterior

Building Information
Building Area (Total): 3,000
Foundation Details: Concrete Perimeter
Construction Materials: Frame
Year Built Source: Builder
Year Built Details: Renovated Since
Color: Dark Gray

Exterior Features
Fencing: Fenced/Enclosed, Fenced
Roof: Shingle
Patio And Porch Features: Deck, Patio
Exterior Features: Deck, Patio, Rain Gutters, Professional Landscaping, Sprinkler System, Fenced Yard

Property Information
PropertySubType: Single Family Residence

Lot Information
Lot Size (Acres): 0.24
Road Surface Type: Paved
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $20,548
Tax Year: 2020

Utilities

Utility Information
Utilities: for Electric Oven, for Electric Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public
Electric: 200+ Amp Service

Heating & Cooling
Has Heating
Has Cooling
Heating: Central, Forced Air, Propane
Cooling: Central Air

Location

Location Information
Directions: Common St. to Winthrop Rd
UnparsedAddress: 21 Winthrop Rd., Belmont MA 02478

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Tennis Court(s), House of Worship, Public School

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 2,909
Stories: 2.0
Lot Size: 10,454 square feet
Style: Single Family Residential
Year Built: 1923
Year Renovated: 1923
County: Middlesex County
APN: 3654048S

Home facts updated by county records on Jul 29, 2026

Other

Miscellaneous Information
Heat Zones: 2

Listing Information
StandardStatus: Closed

Around this home

Schools

Roger Wellington Elementary School

Public PreK-3 • Assigned • 0.2mi

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
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

5/10 Heat Factor

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

6/10 Wind Factor

58% 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

$2.37M – $2.87M

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Nearby similar homes

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New listings for sale in 02478

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Home values near 21 Winthrop Rd

Data from public records.

Address	Redfin Estimate
28 Winthrop Road, Belmont, MA 3 Beds \| 1.5 Baths \| 1900 Sq. Ft.	$1,606,332
27 Winthrop Road, Belmont, MA 4 Beds \| 3.5 Baths \| 2211 Sq. Ft.	$2,291,580

Address	Redfin Estimate
34 Winthrop Road, Belmont, MA 3 Beds \| 2.5 Baths \| 2502 Sq. Ft.	$1,974,350
15 Winthrop Road, Belmont, MA 3 Beds \| 2 Baths \| 1770 Sq. Ft.	$1,409,093

Address	Redfin Estimate
43 Winthrop Road, Belmont, MA 5 Beds \| 3 Baths \| 2561 Sq. Ft.	$1,885,684
35 Winthrop Road, Belmont, MA 4 Beds \| 2.5 Baths \| 2529 Sq. Ft.	$1,773,566

Property information provided by MLS PIN when last listed in 2020. This data may not match . Learn more.

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