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.
For sale
Price cut: $19K (3/26)
$999,000
99 Sumner St #312, Boston, MA 02128
2beds
1,085sqft
Est.:
Condominium
Built in 2021
-- sqft lot
$975,700 Zestimate®
$921/sqft
$1,111/mo HOA
What's special
Silestone quartz waterfall islandPrivate balconyWaterfront city skyline viewAbundant natural lightSoutheast-facing unitBosch appliances
- 192 days |
- 564 |
- 13 |
Zillow last checked: 7 hours ago
Listing updated: April 04, 2026 at 12:09am
Listed by:
Highland Homes Group 781-888-6777,
Cindy Cai Realty LLC 508-423-5722
Source: MLS PIN,MLS#: 73435659
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Primary bedroom
- Level: Third
- Area: 122.15
- Dimensions: 10.25 x 11.92
Bedroom 2
- Level: Third
- Area: 99.97
- Dimensions: 10.17 x 9.83
Bathroom 1
- Level: Third
- Area: 87.89
- Dimensions: 9.42 x 9.33
Bathroom 2
- Level: Third
- Area: 68.6
- Dimensions: 7.42 x 9.25
Kitchen
- Level: Third
- Area: 170.83
- Dimensions: 13.67 x 12.5
Living room
- Level: Third
- Area: 210.77
- Dimensions: 12.58 x 16.75
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Included: ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dryer, ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Washer, Cooktop, Oven
- Laundry: In Unit
Features
- Flooring: Hardwood
- Has basement: No
- Has fireplace: No
Interior area
- Total structure area: 1,085
- Total interior livable area: 1,085 sqft
- Finished area above ground: 1,085
Property
Parking
- Total spaces: 1
- Parking features: Under, Garage Door Opener, Deeded
- Attached garage spaces: 1
Features
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- Waterfront features: Waterfront
Details
- Parcel number: 5200268
- Zoning: RES
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Condition
- Year built: 2021
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: for Gas Range
Community & HOA
Community
- Security: Intercom, TV Monitor, Concierge
HOA
- Amenities included: Elevator(s), Fitness Center, Clubroom, Garden Area
- Services included: Water, Sewer, Maintenance Structure, Maintenance Grounds, Snow Removal, Reserve Funds
- HOA fee: $1,111 monthly
Location
- Region: Boston
Financial & listing details
- Price per square foot: $921/sqft
- Tax assessed value: $975,100
- Annual tax amount: $11,291
- Date on market: 9/25/2025
Estimated market value
$975,700
$927,000 - $1.02M
$4,207/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 3/26/2026 | Price change | $999,000-1.9%$921/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 3/16/2026 | Price change | $1,018,000-1.1%$938/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 2/25/2026 | Price change | $1,029,000-1.9%$948/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 12/29/2025 | Price change | $1,049,000-1.9%$967/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 12/9/2025 | Price change | $1,069,000-0.9%$985/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 11/26/2025 | Price change | $1,079,000-1.8%$994/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 9/25/2025 | Listed for sale | $1,099,000$1,013/sqft |
Source: MLS PIN #73435659 Report a problem | ||
| 9/25/2025 | Listing removed | $1,099,000$1,013/sqft |
Source: MLS PIN #73365875 Report a problem | ||
| 6/3/2025 | Price change | $1,099,000-3.4%$1,013/sqft |
Source: MLS PIN #73365875 Report a problem | ||
| 4/29/2025 | Listed for sale | $1,138,000-1.7%$1,049/sqft |
Source: MLS PIN #73365875 Report a problem | ||
| 3/31/2025 | Listing removed | $1,158,000$1,067/sqft |
Source: MLS PIN #73326399 Report a problem | ||
| 2/19/2025 | Price change | $1,158,000-2.5%$1,067/sqft |
Source: MLS PIN #73326399 Report a problem | ||
| 1/15/2025 | Listed for sale | $1,188,000+2.6%$1,095/sqft |
Source: MLS PIN #73326399 Report a problem | ||
| 11/1/2024 | Listing removed | $1,158,000$1,067/sqft |
Source: MLS PIN #73277808 Report a problem | ||
| 9/20/2024 | Price change | $1,158,000-2.5%$1,067/sqft |
Source: MLS PIN #73277808 Report a problem | ||
| 8/14/2024 | Listed for sale | $1,188,000+30.6%$1,095/sqft |
Source: MLS PIN #73277808 Report a problem | ||
| 9/28/2021 | Sold | $909,887$839/sqft |
Source: MLS PIN #72909069 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $11,292 +22.7% | $975,100 +15.5% |
| 2024 | $9,205 +3.6% | $844,500 +2.1% |
| 2023 | $8,887 | $827,500 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$6,626/mo
Principal & interest
$4974
HOA Fees
$1111
Property taxes
$541
More affordability tools
Climate risks
Neighborhood: East Boston
Nearby schools
GreatSchools rating
- 9/10Dante AlighieriGrades: PK-6Distance: 0.3 mi
- 8/10Eliot K-8 Innovation SchoolGrades: PK-8Distance: 0.5 mi
- 2/10East Boston High SchoolGrades: 7-12Distance: 1 mi
Local experts in 02128
- Massachusetts
- Suffolk County
- Boston
- 02128
- East Boston
- 99 Sumner St Unit 312
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