OPEN TODAY, 5:30PM TO 6:30PM

For sale

$1,499,000

Est. $11,215/mo —

•

1,197

sq ft

99 Sumner St Ph 621, Boston, MA 02128

About this home

Residence 621 at The Mark offers 2 bedrooms, a den, 2 baths, and 1,197 square feet of beautifully designed waterfront living, with two garage parking spaces and two storage units included. The open-concept layout features a chef's kitchen with Bosch appliances, quartz countertops, and upgraded cabinetry, all flowing across hardwood floors to a living space built for both everyday ease and effortless entertaining. The Mark is a full-service luxury building: 24-hour concierge, private terrace, fireplace lounge, billiards room, library, fitness center, conference room, and pet spa. Everything you need, without ever leaving the building. Downtown Boston is minutes away by ferry, Blue Line, or a quick drive. Logan Airport is moments from your door, making this a rare city residence that truly serves those with a dynamic lifestyle. Tallship, waterfront dining, and green space are all moments away. This is Boston waterfront living at its finest.

CondoProperty Type

2021Year Built

$1,252Price/Sq.Ft.

$1,565/moHOA Dues

2 car garageParking

Listed by The Boston ONE Team • Serhant

Listed by Angelina Spiropoulos • Serhant

Listing updated: Sep 19, 2026 at 03:06am

Redfin checked: a minute ago

•Source:MLS PIN #73493860

Payment calculator

$11,215 per month

Principal and interest$8,385

Property taxes

HOA dues

Home insurance

Utilities

5 minutes to get started. No credit impact.

Affordability tools

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Open houses

Thursday, Oct 8

5:30pm - 6:30pm

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Around this home

Schools

K - 12
Preschool & daycare

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

About Central Maverick Square-Paris

Street

Central Maverick Square-Paris Street, located between Maverick Square and the Paris Street corridor, is a waterfront and transit-linked Boston neighborhood with brick rowhouses and harbor-view streets. The neighborhood’s character concentrates around Maverick Square by the MBTA station, where corner bodegas, longtime eateries, and ferry-bound foot traffic set a brisk, everyday rhythm. The ICA Watershed anchors contemporary art on the working waterfront, while the East Boston Shipyard and Piers Park frame the area’s maritime past and open-air promenades. Triple-deckers and compact blocks give way to newer mid-rises near the waterline. Side streets climb toward Eagle Hill with pocket parks and small storefronts. Ferries and the Blue Line shape a walk-forward, city-facing routine.

Provided by Walk Score and Local Logic

Offer insights

99 Sumner St Ph 621 · $1,499,000

Strong offer

$1.48M and above

75% chance or better to win

Why $1.48M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 51 days.

SALE-TO-LIST

Most homes are selling 3% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Interior features
Intercom, TV monitor, doorman and concierge building services
Six total rooms

Bedrooms
Condominium with no one above (single-level unit on entry level 6)

Bathrooms
2 full bathrooms

Kitchen
Gas range

Laundry & utility
In-unit laundry

Flooring
Wood floors

Heating & cooling
Forced air heating
Central air conditioning

Sale and tax history for 99 Sumner St Ph 621

Sale History
Tax History

Date

Event

Price

MLS PIN #73493860

Jul 20, 2026

Price Changed

$1,499,000

$1,252/sq ft

Mar 31, 2026

Listed

$1,625,000

$1,358/sq ft

MLS PIN #72429500

Dec 4, 2018

Listed

$1,359,000

$1,135/sq ft

Dec 4, 2018

Listing Removed

—

NEW CONSTRUCTION - WATERFRONT - FULL SERVICE - PH 2 BED + DEN - The Mark at DeNormandie Wharf is the newest luxury condominium on the East Boston Waterfront. Featuring expansive views of Boston Harbor, City Skyline, and Charlestown. Commuter's Dream! 2 minute walk from Maverick Square Blue Line MBTA (3 mins to Aquarium), Water Taxi Stop 66, ReelHouse & 5 minute drive to the airport. Charming homes featuring state of the art amenities and interior finishes. 1 Deeded Parking Space included. Amenities Include: 24/7 Concierge, Fitness Center with Peloton Bikes, Community Terrance with Grills and Fire Pits, Golf Simulator/Movie Room, Tesla Model X Envoy Car share, & more.

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Finished Sq. Ft.

1,195

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,195

Year built

2020

Style

Condo/Co-op

County

Suffolk County

APN

5200372

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 20, 2023.

EAST BOSTON NEIGHBORHOOD-WMU

CFROD

RESTRICTED ROOF STRUCTURE DISTRICT

East Boston Neighborhood District-Waterfront Mixed-Use Subdistrict

WMU Subdistricts provide a mix of residential, commercial, and service establishments to the Neighborhood's waterfront.

Zone overlays

Coastal Flood Resilience Overlay District
Restricted Roof Structure Overlay District In the East Boston Neighborhood District

Permitted uses

Include but are not limited to:

Day care facility
Restaurant
Housing-Single unit
Housing-Multiple units
Housing-Senior
Industrial
Mixed use
Office
Marina
Water transport

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

93/ 100

Exceptional sunlight

Sunscore

This home ranks in the top 2% for direct sun exposure in Boston. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.1 hrs

5.2 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 99 Sumner St Ph 621

$1,453,116

$46K under list price of $1.50M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $675K to $1.8M.

SOLD SEP 1, 2026
$1,075,000 Last sold price
2 beds2 baths1,091 sq ft
45 Lewis St #313, Boston, MA 02128
$267/sq ft
1 year older
SOLD SEP 24, 2026
$880,000 Last sold price
3 beds1.5 baths1,502 sq ft
99 Gove St #16, Boston, MA 02128
$666/sq ft
121 years older
SOLD JUL 15, 2026
$1,230,000 Last sold price
2 beds2 baths1,093 sq ft
45 Lewis St Ph -14, Boston, MA 02128
$127/sq ft
1 year older
SOLD AUG 14, 2026
$675,000 Last sold price
2 beds1.5 baths1,030 sq ft
96 Cottage St #8, Boston, MA 02128
$597/sq ft
SOLD MAY 28, 2026
$1,775,000 Last sold price
2 beds2 baths1,371 sq ft
3 Battery Wharf #3309, Boston, MA 02109
$43/sq ft
13 years older
SOLD MAR 11, 2026
$1,105,000 Last sold price
2 beds2 baths1,090 sq ft
45 Lewis St #214, Boston, MA 02128
$238/sq ft
1 year older

Rental earnings

Est. $1,360 per month, based on comparable rentals

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Details provided by MLS PIN and may not match the public record. Learn more.

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