OFF MARKET
Off Market Sep 2021 for $1.4M
$1,149,989
1
bd
•
1 ba
•
1,197
sq ft

99 Sumner #521, Boston, MA 02128

map-entry

About this home

CondoProperty Type
2021Year Built
$961Est. Price/Sq.Ft.
1 spaceParking
Listed by Janice Dumont • Advisors Living - New Developments
Bought with Alexandria Lyons • Advisors Living - The Mark
Redfin checked: a minute ago
•Source:MLS PIN #72893950

Redfin Estimate

$1,149,989
$254K since sold in September 2021$50K since August

This home's estimate is 23.9% higher than the average sale price ($928K) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$77,996
Est. take-home

List your home with Redfin and save $5,750

Rent
$1,349/mo
Redfin rental estimate

List your home for rent

Market trends in Central Maverick Square-Paris Street, MA

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price
98.8%

0.4% MoM

Median sale price
$686K

$36K MoM

Avg. days on market
37d

17 days MoM

Recently sold homes
15

1 MoM

New listings for sale

Provided by Redfin

Sale history for 99 Sumner #521

Tax history for 99 Sumner #521

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
2
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
—
Year renovated
—
Sq. Ft.
1,195
Year built
2020
Style
Condo/Co-op
County
Suffolk County
APN
5200352
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 20, 2023.

Property details

About this building

7 for sale
99 Sumner St, Boston, MA 02128
See photos & sale trends
Photo via 99 Sumner #221
Units for sale
408
$459,0001 bed1 bath455 sq ft
0413
$499,0001 bed1 bath431 sq ft
210
$640,0001 bed1 bath740 sq ft
206
$725,0001 bed1 bath809 sq ft
506
$850,0001 bed1 bath783 sq ft
312
$959,0002 beds2 baths1085 sq ft
321
$1,350,0002 beds2 baths1195 sq ft

Around this home

Schools

Dante Alighieri

Public PreK-6 • Assigned • 0.3mi

9/10
Umana/Alighieri K-8

Public PreK-8 • Assigned • 0.6mi

3/10
East Boston High School

Public 7-12 • Assigned • 0.9mi

2/10
Charlestown High School

Public 7-12 • Assigned • 1.2mi

3/10
Horace Mann School For The Deaf

Public PreK-12 • Assigned • 1.4mi

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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 95° expected this year, 14 days in 30 years

8/10 Wind Factor

80% 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

Boston, MA • 02128
Average low and high temperatures (°F)
34
23
36
25
50
35
57
43
68
54
78
64
83
69
77
64
72
61
63
51
53
41
40
28
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
$1.09M – $1.32M

Reach more buyers when you sell with Redfin. Save up to $11,500 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN SAT, 1PM TO 2PM
$549,000
1 bed1 bath615 sq ft
250 Bremen Unit U:3, East Boston, MA 02128
$625,000
2 beds2 baths902 sq ft
306 Maverick St #1, East Boston, MA 02128
$535,000
2 beds1 bath761 sq ft
153 Everett St #2, Boston, MA 02128
NEW CONSTRUCTION
$549,900
1 bed1 bath664 sq ft
28 Geneva St #202, Boston, MA 02128
$589,000
1 bed1 bath700 sq ft
357 Commercial St #217, Boston, MA 02109
NEW CONSTRUCTION
$865,000
2 beds2 baths880 sq ft
28 Geneva St Ph 401, Boston, MA 02128

New listings for sale in 02128

OPEN SUN, 11:30AM TO 1:30PM
$1,139,000
3 beds2.5 baths1,582 sq ft
261 Princeton St #302, Boston, MA 02128
OPEN SAT, 1PM TO 2PM
$849,000
3 beds2 baths1,200 sq ft
250 Bremen #305, East Boston, MA 02128
OPEN SAT, 1PM TO 2PM
$549,000
1 bed1 bath615 sq ft
250 Bremen Unit U:3, East Boston, MA 02128
OPEN SAT, 1:30PM TO 3PMVIDEO TOUR
$559,000
2 beds1 bath792 sq ft
256 Bremen St #2, Boston, MA 02128
$599,900
2 beds1 bath1,391 sq ft
36 Saint Edward Rd #3, East Boston, MA 02128
OPEN SAT, 11:45AM TO 12:45PM
$849,000
2 beds1.5 baths905 sq ft
40 William Kelly Sq #402, Boston, MA 02128
COMING SOON
$599,000
2 beds1.5 baths1,671 sq ft
294 Paris St #294, Boston, MA 02128
OPEN SAT, 12PM TO 1PM
$459,000
1 bed1 bath455 sq ft
99 Sumner #408, Boston, MA 02128
OPEN SAT, 10:30AM TO 11:30AM
$519,000
1 bed1 bath660 sq ft
656 Saratoga #206, East Boston, MA 02128

Home values near 99 Sumner #521

Data from public records.
Property information provided by MLS PIN when last listed in 2019. This data may not match public records. Learn more.

More real estate resources

Central Maverick Square-Paris Street homes for sale
East Boston homes for sale
Maverick Square homes for sale
Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

Join us

Become an Agent
Get referrals
Careers

Find homes faster

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store

About us

Why Redfin?
Community Impact
Inclusion
Culture
Press
Investors
Blog
Real Estate News

Find us

Contact Us
Help Center
Advertise

Subsidiaries

Rent.
ApartmentGuide

Affiliated Business

Rocket Close
Rocket Mortgage

Countries

US flagUnited States

Canadian flagCanada

Copyright: © 2026 Redfin. All rights reserved.

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.