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For sale
    • Price increase: $35K (5/26)
    $499,999

    99 Sumner St Unit 413, Boston, MA 02128

    1beds
    433sqft
    : 
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    Condominium
    Built in ----
    -- sqft lot
    $483,100 Zestimate®
    $1,155/sqft
    $-- HOA

    What's special

    Fireplace loungeElegant alcove studioBright and versatile spacePremium modern finishesHardwood flooring
    Welcome to The Mark, nestled along the waterfront in East Boston's Jeffries Point. Discover an elegant alcove studio ideal for city living. This bright and versatile space was thoughtfully crafted and offers premium modern finishes and an efficient floor plan all complemented by hardwood flooring. Living at The Mark means embracing both luxury convenience. This full-service building features a 24-hour concierge, fitness center, pet spa, fireplace lounge, private terrance, billiards lounge, and more. Whether you're unwinding in the resident library, hosting a meeting in the conference room, or exploring the nearby parks and dining hotspots, everything you need is at your doorstep. With Maverick Station, the ferry, and highway access all minutes away, your commute downtown is effortless. Don’t miss your chance to experience premier waterfront living in one of East Boston’s most sought-after residences!
    378 days
    |
    191
    |
    4
    |

    Zillow last checked:

    Listed by:

    Bianca D'Alessio,

    Nest Seekers

    Source: Nest Seekers International,MLS#: 4256325

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 1
      • Bathrooms: 1
      • Full bathrooms: 1
      Cooling
      • Central Air
      Features
      • Flooring: Hardwood
      • Basement: No
      • Has fireplace: No
      Interior area
      • Total structure area: 433
      • Total interior livable area: 433 sqft

      Property

      Features
      • Has view: Yes
      • Has water view: Yes
      • Water view: Water
      • On waterfront: Yes
      • Waterfront features: Waterfront
      • Frontage type: Waterfront
      Details
      • Parcel number: CBOSW01P05403S116

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Condominium

      Community & HOA

      Location
      • Region: Boston

      Financial & listing details

      • Price per square foot: $1,155/sqft
      • Tax assessed value: $485,000
      • Annual tax amount: $5,616
      • Date on market: 6/17/2025
      • Lease term: Contact For Details

        Estimated market value

        $483,100

        $459,000 - $507,000

        $2,617/mo

        Price history

        DateEventPrice
        6/18/2026Price change$2,750-6.8%$6/sqft
        Source: Zillow Rentals Report a problem
        5/26/2026Price change$510,000+7.4%$1,178/sqft
        Source: MLS PIN #73486442 Report a problem
        5/20/2026Listed for rent$2,950+18%$7/sqft
        Source: Zillow Rentals Report a problem
        3/13/2026Price change$475,000-5%$1,097/sqft
        Source: MLS PIN #73486442 Report a problem
        12/1/2025Price change$499,999-4.8%$1,155/sqft
        Source: MLS PIN #73343997 Report a problem
        9/3/2025Price change$525,000-8.7%$1,212/sqft
        Source: MLS PIN #73343997 Report a problem
        3/11/2025Listed for sale$575,000-5.6%$1,328/sqft
        Source: MLS PIN #73343997 Report a problem
        9/1/2024Listing removed$609,000$1,406/sqft
        Source: MLS PIN #73179664 Report a problem
        12/13/2023Listing removed--
        Source: Zillow Rentals Report a problem
        11/11/2023Listed for sale$609,000+1.7%$1,406/sqft
        Source: MLS PIN #73179664 Report a problem
        11/8/2023Listed for rent$2,500$6/sqft
        Source: Zillow Rentals Report a problem
        5/5/2023Listing removed$599,000$1,383/sqft
        Source: MLS PIN #73105365 Report a problem
        5/1/2023Listed for sale$599,000+19.3%$1,383/sqft
        Source: MLS PIN #73105365 Report a problem
        9/9/2021Sold$501,989$1,159/sqft
        Source: MLS PIN #72900074 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$5,616 +5.7%$485,000 -0.5%
        2024$5,312 +3.6%$487,300 +2.1%
        2023$5,128 $477,500

        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        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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        Climate risks

        Neighborhood: East Boston

        Getting around

        87 / 100
        Very Walkable
        74 / 100
        Excellent Transit
        66 / 100
        Bikeable

        Nearby schools

        GreatSchools rating

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