OFF MARKET

$1,448,605

•

2.5 ba

•

2,631

sq ft

23 Selwyn Rd #21, Belmont, MA 02478

About this home

23 Selwyn Rd #21 is a 2,631 square foot multi-family home on a 6,098 square foot lot with 5 bedrooms and 2.5 bathrooms. Based on Redfin's Belmont data, we estimate the home's value is $1,448,605.

Multi-familyProperty Type

1925Year Built

6,098 sq ftLot Size

$551Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,448,605

$19K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.6% lower than the average sale price ($1.64M) of 6 comparable homes.

SOLD JUN 22, 2026
$2,050,000
A
4 beds2.5 baths2,731 sq ft
70 Goden St, Belmont, MA 02478
SOLD MAY 29, 2026
$1,400,000
B
5 beds2 baths2,626 sq ft
15-17 Hull St, Belmont, MA 02478
SOLD JUN 5, 2026
$1,325,000
C
5 beds2 baths2,771 sq ft
93-95 Poplar St, Watertown, MA 02472
SOLD APR 21, 2026
$1,360,000
D
6 beds3 baths2,922 sq ft
519 Belmont St, Belmont, MA 02478
SOLD JUN 16, 2026
$1,725,000
E
4 beds2.5 baths2,018 sq ft
46 Horace Rd, Belmont, MA 02478
SOLD JUL 1, 2026
$1,975,000
F
4 beds2.5 baths2,708 sq ft
38 Payson Terace, Belmont, MA 02478

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Earn from this home

Sell

$1,375,812

Est. take-home

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Market trends in 02478, MA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.3%

0.4% MoM

Median sale price

$1.4M

$31K MoM

Avg. days on market

17d

1 days MoM

Recently sold homes

14 MoM

New listings for sale

OPEN SAT, 11:30AM TO 1PM
$1,995,000
4 beds3.5 baths2,756 sq ft
128 Watson Rd, Belmont, MA 02478
OPEN SAT, 1PM TO 3PM
$879,000
2 beds1 bath1,130 sq ft
114 Payson Rd #2, Belmont, MA 02478
OPEN SAT, 1PM TO 3PM
$879,000
2 beds1 bath1,530 sq ft
112 Payson #1, Belmont, MA 02478
$929,900
3 beds2.5 baths1,845 sq ft
81 Grant Ave #81, Belmont, MA 02478
See all

Provided by Redfin

Sale history for 23 Selwyn Rd #21

Year

Property tax

Land + Additions

Assessment*

2025

$16,026 (+7.3%)

$771,000 + $636,000

$1,407,000

2024

$14,942 (+1.0%)

$913,000 + $502,000

$1,415,000

2023

$14,792 (+3.6%)

$861,000 + $455,000

$1,316,000

2022

$14,277 (−4.0%)

$788,000 + $447,000

$1,235,000

2021

$14,875 (+11.2%)

$986,000 + $303,000

$1,289,000

2020

$13,376 (+12.9%)

$843,000 + $373,000

$1,216,000

2019

$11,845 (+9.4%)

$638,000 + $377,000

$1,015,000

2018

$10,826 (+3.9%)

$580,000 + $311,000

$891,000

2017

$10,418 (+1.4%)

$510,000 + $311,000

$821,000

2016

$10,274 (+13.0%)

$510,000 + $308,000

$818,000

2015

$9,095 (+1.5%)

$438,000 + $267,000

$705,000

2014

$8,964 (+1.3%)

$383,000 + $281,000

$664,000

2013

$8,851 (+5.9%)

$383,000 + $281,000

$664,000

2012

$8,357 (+2.6%)

$306,000 + $320,000

$626,000

2011

$8,143 (+5.0%)

$306,000 + $309,000

$615,000

2010

$7,758 (+2.4%)

$306,000 + $332,000

$638,000

2009

$7,574

$312,000 + $325,000

$637,000

Tax history for 23 Selwyn Rd #21

Year

Property tax

Land + Additions

Assessment*

2025

$16,026 (+7.3%)

$771,000 + $636,000

$1,407,000

2024

$14,942 (+1.0%)

$913,000 + $502,000

$1,415,000

2023

$14,792 (+3.6%)

$861,000 + $455,000

$1,316,000

2022

$14,277 (−4.0%)

$788,000 + $447,000

$1,235,000

2021

$14,875 (+11.2%)

$986,000 + $303,000

$1,289,000

2020

$13,376 (+12.9%)

$843,000 + $373,000

$1,216,000

2019

$11,845 (+9.4%)

$638,000 + $377,000

$1,015,000

2018

$10,826 (+3.9%)

$580,000 + $311,000

$891,000

2017

$10,418 (+1.4%)

$510,000 + $311,000

$821,000

2016

$10,274 (+13.0%)

$510,000 + $308,000

$818,000

2015

$9,095 (+1.5%)

$438,000 + $267,000

$705,000

2014

$8,964 (+1.3%)

$383,000 + $281,000

$664,000

2013

$8,851 (+5.9%)

$383,000 + $281,000

$664,000

2012

$8,357 (+2.6%)

$306,000 + $320,000

$626,000

2011

$8,143 (+5.0%)

$306,000 + $309,000

$615,000

2010

$7,758 (+2.4%)

$306,000 + $332,000

$638,000

2009

$7,574

$312,000 + $325,000

$637,000

*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 Type: Full

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

Heating & Cooling
Heating Type: Steam

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Room Information
# of Rooms: 12

Exterior

Exterior Information
Physical Condition: Excellent
Building Style Type: Old
Construction Type: Frame
Exterior Wall: Aluminum/Vinyl

Property Information
Living Sq. Ft: 2,631
Ground Floor Sq. Ft: 1,144
# of Units: 2
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,098
Municipality Name: BELMONT
Acres: 0.14
Zoning Code: SC
State Use Description: 2-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 5
Baths: 2.5
Sq. Ft.: 2,631
Stories: 2.0
Lot Size: 6,098 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1925
Year Renovated: 1925
County: Middlesex County
APN: 950906S

Home facts updated by county records on Jul 29, 2026

Around this home

Schools

Winthrop L Chenery Middle School

Public 4-6 • Assigned • 0.1mi

7/10

Belmont High School

Public 9-12 • Assigned • 0.8mi

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
153 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.15% chance of being 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

$1.38M – $1.67M

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Home values near 23 Selwyn Rd #21

Data from public records.

Address	Redfin Estimate
2 Selwyn Rd, Belmont, MA 3 Beds \| 1.5 Baths \| 1880 Sq. Ft.	$1,484,227
24 Selwyn Rd, Belmont, MA 3 Beds \| 2.5 Baths \| 1904 Sq. Ft.	$1,502,603

Address	Redfin Estimate
12 Selwyn Rd, Belmont, MA 3 Beds \| 2 Baths \| 1644 Sq. Ft.	$1,390,333
30 Selwyn Rd, Belmont, MA 5 Beds \| 3.5 Baths \| 2155 Sq. Ft.	$1,577,383

Address	Redfin Estimate
18 Selwyn Rd, Belmont, MA 3 Beds \| 2 Baths \| 1568 Sq. Ft.	$1,292,102
36 Selwyn Rd, Belmont, MA 3 Beds \| 2.5 Baths \| 1746 Sq. Ft.	$1,612,989

Property information provided by undefined .

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