99 Sumner # 421 Boston, MA $ 1,199,000
99 Sumner # 421
$ 1,199,000
Recently Listed
Open House 6/21 12pm - 1:30pm
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99 Sumner # 421

Boston, MA, 02128
$ 1,199,000
Bedrooms2 Baths2.0 Sq 1,195

Monthly Estimate*

$ 7,382

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Condo for sale in Boston, MA

for $1,199,000 with 2 bedrooms and 2 full baths. This 1,195 square foot condo was built in 2021.

Experience exceptional waterfront living at The Mark. This residence features two bedrooms, a bonus room/versatile den, two full baths, and a private balcony overlooking the Harbor. The open-concept interior is anchored by a chef’s kitchen boasting Bosch appliances and quartz countertops, all flowing seamlessly across warm hardwood floors. Generous bedrooms and closet space, while the primary bedroom features an ensuite bathroom. This home comes complete with in-unit laundry, two garage parking spaces and a private storage unit. Life at The Mark offers unparalleled full-service luxury. Residents enjoy a 24-hour concierge, fitness center, fireplace lounge, billiards room, library, & a pet spa. Step outside to the private balcony or explore the vibrant local scene. With the ferry, Blue Line, and Logan Airport just moments away, downtown Boston & beyond are within easy reach. This is a rare opportunity to enjoy a dynamic city lifestyle in a in a premier waterfront setting.

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Open House

6/21/2026 12:00 PM - 1:30 PM
99 Sumner # 421 Boston, MA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Condo Active

Price

$ 1,199,000

Bedrooms

2

Full Bath

2

Property Type

Condo

Taxes

$ 14,608

Style

Mid-Rise

Year Built

2021

Town/City

Boston

County/Region

Suffolk

MLS | Web ID

73538123

List By
Caroline Morson

Listing Agent

Compass

Broker

Affordability Calculator

$8,600
Per Month
86%
14%
0%
Monthly Principal & Interest
$7,382
Monthly Property Taxes
$1,217
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Pricing History
DatePricePrice ChangeDescription
6/18/2026$1,199,000 Listed Price

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99 Sumner # 421, Boston, MA, 02128 is a Condo for sale at $1,199,000 with 1,195 sqft. 99 Sumner # 421 has 2 bedrooms, 2.0 baths, and was built in 2021. The property's zip code is 02128 which is in Boston, MA