Skip main navigation
Pending
  • $9,150,000

    275 Mason St #5A, Greenwich, CT 06830

    3beds
    2sqft
    : 
    $57,075/mo
    Get pre-qualified
    Residential, Condominium
    Built in 2028
    -- sqft lot
    $-- Zestimate®
    $3,660,000/sqft
    $-- HOA

    What's special

    Indoor parkingLandscaped courtyardMultiple resident lounges
    Accepted Offer/Under Attorney Review Chilston Court, offering two-bedroom homes to penthouses. Designed by Robert A.M. Stern Architects with interiors by Bryan O'Sullivan Studio. Occupancy anticipated November 2028. Taxes estimated and projected for the first year of operation. Floor plans and renderings are artists' conceptions and are not intended to be an actual depiction of the home. All photos shown are renderings and not actual photography. Dimensions and plans are approximate and are subject to variation. This is not an offer. The offering terms are in the Purchase Agreement, Public Offering Statement and Community Documents that will be available from the Declarant, Mason Street Partners LLC.
    10 days
    54
    2

    Zillow last checked:

    Listing updated:

    Listed by:

    Angela Ferrara 203-561-7328,

    The Marketing Directors CT LLC

    Source: Greenwich MLS, Inc.,MLS#: 125949MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Heating
      • Hot Water
      Cooling
      • Central Air
      Appliances
      • Laundry: Laundry Room
      Features
      • Entrance Foyer, Elevator, Sauna
      • Basement: None
      • Number of fireplaces: 1
      Interior area
      • Total structure area: 2
      • Total interior livable area: 2.50 sqft

      Property

      Parking
      • Parking features: Assigned
      Features
      • Has private pool: Yes
      • Has spa: Yes
      • Spa features: Heated
      Lot
      • Size: 1.78 Acres
      • Features: Courtyard
      Details
      • Parcel number: 11602/S
      • Zoning: CGB

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Residential, Condominium
      Materials
      • Brick, Masonry, Stone
      • Roof: Asphalt
      Condition
      • Under Construction
      • New construction: Yes
      • Year built: 2028

      Utilities & green energy

      • Water: Public

      Community & HOA

      HOA
      • Has HOA: Yes
      • Amenities included: Fitness Center, Pool, Hot Water
      • Services included: Trash, Snow Removal, Maintenance Grounds
      • Second HOA name: Chilston Court
      Location
      • Region: Greenwich

      Financial & listing details

      • Price per square foot: $3,660,000/sqft
      • Annual tax amount: $67,124
      • Date on market: 10/20/2026

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        10/27/2026Pending sale$9,150,000$3,660,000/sqft
        Source: Greenwich MLS, Inc. #125949 Report a problem
        10/20/2026Contingent$9,150,000$3,660,000/sqft
        Source: Greenwich MLS, Inc. #125949 Report a problem
        10/2/2026Listing removed$9,150,000$3,660,000/sqft
        Source: Greenwich MLS, Inc. #125949 Report a problem
        9/29/2026Listed for sale$9,150,000$3,660,000/sqft
        Source: Greenwich MLS, Inc. #125949 Report a problem

        Public tax history

        Tax history is unavailable.

        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.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 06830

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Julian Curtiss
        • Middle: Central

        Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

        A local agent can set up tours, give advice and negotiate with sellers.

        A local lender can help you make sure your offer is ready when you are.

        Browse local experts