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$1,049,000

  • For Sale
  • Active
  • Condo
  • 2 Beds
  • 2 Full Baths
  • 1,085 Sq. Ft.
  • 1 Car Garage
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Welcome to this stunning waterfront city skyline view home where every day feels like a getaway. This southeast-facing unit bathes in abundant natural light throughout the day, offering incredible views from sunrise to sunset. Kitchen featuring Bosch appliances, a Silestone Quartz waterfall island, upgraded cabinetry, and a private balcony - perfect for watching New Year's Eve fireworks. The Mark offers resort-style amenities including a 24/7 concierge, harbor-view lounges, a fitness center, golf simulator, pet spa, library, and a courtyard with grills and a firepit. Just two minutes to Maverick Station and ferries to Seaport, you'll enjoy easy access to the city while coming home to your tranquil waterfront retreat. Deeded garage parking and storage unit included.

Full Property Details for 99 Sumner St #312

General

  • Price: $1,049,000
  • HOA FEE: $1,111/month
  • Taxes: $11,291 (2025)
  • Status: Active
  • Type: Condo
  • MLS ID: 73435659
  • Updated: 1/2/2026
  • Added to Site: 114 day(s) ago

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2
  • Bathroom 1: 9.42 x 9.33, Third
  • Bathroom 2: 7.42 x 9.25, Third

Bedrooms

  • Total Bedrooms: 2
  • Primary Bedroom: 10.25 x 11.92, Third
  • Bedroom 2: 10.17 x 9.83, Third

Other Rooms

  • Living Room: 12.58 x 16.75, Third
  • Kitchen: 13.67 x 12.50, Third

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Parking Features: Under, Garage Door Opener, Deeded

Location

  • County: Suffolk

Structural Information

  • Basement: Yes
  • Stories/Levels: 1
  • Square Feet: 1,085
  • Year Built: 2021

Financial Considerations

  • Association Fee: $1,111
  • Tax Amount: $11,291.25
  • Tax Year: 2025

Disclosures and Reports

  • Disclosures/Rstr.: Parking Space No.10. There is a waitlist for rental units. Listing agent is the owner.
  • Property ID: 1328111

Listed by Cindy Cai Realty LLC, Highland Homes Group and Moshi Shi

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Listing agents

— 99 Sumner St #312 —

  • Highland Homes Group

    Cindy Cai Realty LLC

  • Moshi Shi

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Price & Sales History for 99 Sumner St #312 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
12/29/2025
Price Reduced
$1,049,000
-1.87%
MLS
12/09/2025
Price Reduced
$1,069,000
-0.93%
MLS
11/25/2025
Price Reduced
$1,079,000
-1.82%
MLS
9/25/2025
Listed
$1,099,000
20.78%
MLS
9/28/2021
Sold
$909,887
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 99 Sumner St #312

Year
Property Taxes
Change
Tax Assessment
Change
2025
$11,292
23%
$975,100
15%
2024
$9,205
4%
$844,500
2%
2023
$8,887
—
$827,500
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 99 Sumner St #312

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Cindy Cai Realty LLC, Highland Homes Group and Moshi Shi

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99 Sumner St #312, Boston, MA 02128 (MLS# 73435659) is a Condo property with 2 bedrooms and 2 full bathrooms. 99 Sumner St #312 is currently listed for $1,049,000 and was received on September 25, 2025. Want to learn more about 99 Sumner St #312? Do you have questions about finding other Condo real estate for sale in Boston? You can browse all Boston real estate or contact a Coldwell Banker agent to request more information.

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