For sale

$475,000

99 Sumner St #503, Boston, MA 02128

0beds

439sqft

Est.: Get pre-qualified

Condominium

Built in 2020

-- sqft lot

$466,700 Zestimate^®

$1,082/sqft

$540/mo HOA

What's special

Discover The Mark East Boston – a stylish studio with a separate sleeping area. Just a 2-minute walk from Maverick Square’s Blue Line MBTA (3 minutes to Aquarium, 5 minutes to State Street), with access to Water Taxi Stop 66, ReelHouse, and a quick 5-minute drive to the airport.Exceptional amenities include a 24/7 concierge, fitness center with flex studio, pet spa room, harbor-view resident terrace with grills and fire pits, golf simulator and more. Don’t miss your chance to own on the waterfront—schedule your appointment today!

90 days

146

6

Tour with a local agent

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 0
Bathrooms: 1
Full bathrooms: 1

Primary bedroom

Features: Flooring - Wood, Recessed Lighting

Bathroom 1

Features: Bathroom - Tiled With Shower Stall, Countertops - Stone/Granite/Solid
Level: First

Kitchen

Features: Flooring - Wood, Recessed Lighting
Level: First

Living room

Features: Flooring - Wood, Recessed Lighting
Level: First

Heating

Forced Air

Cooling

Central Air

Appliances

Included: Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer

Features

Has basement: No
Has fireplace: No

Interior area

Total structure area: 439
Total interior livable area: 439 sqft
Finished area above ground: 439

Property

Accessibility

Accessibility features: Accessible Entrance

Features

On waterfront: Yes
Waterfront features: Waterfront, Ocean, Harbor, Frontage, Walk to, Access, Public, Bay, Ocean

Details

Parcel number: W:01 P:05403 S:138,1328111
Zoning: CD

Construction

Type & style

Home type: Condo
Property subtype: Condominium
Attached to another structure: Yes

Materials

Roof: Rubber

Condition

Year built: 2020

Utilities & green energy

Electric: 110 Volts
Sewer: Public Sewer
Water: Public

Community & HOA

Community

Features: Public Transportation, Park, Walk/Jog Trails, Medical Facility, Marina, T-Station
Security: Intercom, TV Monitor, Doorman, Concierge

HOA

Amenities included: Laundry, Recreation Facilities, Fitness Center, Clubroom, Garden Area
Services included: Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
HOA fee: $540 monthly

Location

Region: Boston

Financial & listing details

Price per square foot: $1,082/sqft
Tax assessed value: $465,100
Annual tax amount: $6,232
Date on market: 3/6/2026

Estimated market value

$466,700

$443,000 - $490,000

$2,597/mo

Price history

Date	Event	Price
3/7/2026	Listed for sale	$475,000-2.1%$1,082/sqft
Source: MLS PIN #73483780 Report a problem
2/10/2026	Listing removed	$485,000$1,105/sqft
Source: MLS PIN #73383111 Report a problem
5/31/2025	Listed for sale	$485,000-1%$1,105/sqft
Source: MLS PIN #73383111 Report a problem
5/2/2025	Listing removed	$490,000$1,116/sqft
Source: MLS PIN #73313106 Report a problem
11/15/2024	Listed for sale	$490,000+12.9%$1,116/sqft
Source: MLS PIN #73313106 Report a problem
9/10/2021	Sold	$434,000$989/sqft
Source: MLS PIN #72900078 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$4,956 +12%	$428,000 +5.4%
2024	$4,426 +3.5%	$406,100 +2%
2023	$4,275	$398,000

Find assessor info on the county website

Monthly payment

Est. payment

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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