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For sale
    • Price cut: $275K (6/10)
    $2,075,000

    12 Old Post Rd, Cos Cob, CT 06807

    5beds
    3,340sqft
    : 
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    Residential, Single Family Residence
    Built in 1922
    0.42 Acres Lot
    $2,032,100 Zestimate®
    $621/sqft
    $-- HOA

    What's special

    Enclave with poolHeated sunroomTucked behind iron gatesFormal dining roomStone patioMature trees and ivy
    A special opportunity to own this charming oasis close to town. Tucked behind iron gates awaits an enclave with pool, mature trees and ivy. The main floor has a spacious living room that leads to a heated sunroom, a formal dining room and a kitchen with a commercial cooktop and vent system. The second floor has a primary bedroom with a marble bath and shower and en-suite sitting room/closet. 2 other bedrooms with a sunroom and library. The top floor has another bedroom and an office space. There is a salt-water in-ground pool with a spa and stone patio. The back staircase leads to the primary bedroom sitting area. The fireplace in the kitchen is now used as wine rack. FAR allows up to5,750 sqft.
    37 days
    |
    2,895
    |
    86
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Mie Glenn 203-249-1121,

    BHHS New England Properties

    Source: Greenwich MLS, Inc.,MLS#: 124934MLS Logo

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 3
      • Full bathrooms: 2
      • 1/2 bathrooms: 1
      Heating
      • Natural Gas, Forced Air
      Cooling
      • Central Air
      Features
      • Cedar Closet(s), Kitchen Island, Eat-in Kitchen, Back Stairs
      • Basement: Full
      • Number of fireplaces: 2
      Interior area
      • Total structure area: 3,340
      • Total interior livable area: 3,340 sqft

      Property

      Parking
      • Total spaces: 1
      • Parking features: Garage Door Opener
      • Garage spaces: 1
      Features
      • Patio & porch: Terrace
      • Has private pool: Yes
      • Has spa: Yes
      • Spa features: Heated
      Lot
      • Size: 0.42 Acres
      • Features: Level, Stone Wall
      Details
      • Additional structures: Shed(s)
      • Parcel number: 081596/S
      • Zoning: R-12

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Tudor
      • Property subtype: Residential, Single Family Residence
      Materials
      • Brick, Stucco
      • Roof: Asphalt
      Condition
      • Year built: 1922
      • Major remodel year: 2016

      Utilities & green energy

      • Water: Public
      • Utilities for property: Natural Gas Available

      Community & HOA

      Community
      • Security: Security System
      Location
      • Region: Cos Cob

      Financial & listing details

      • Price per square foot: $621/sqft
      • Tax assessed value: $986,790
      • Annual tax amount: $12,196
      • Date on market: 5/7/2026
      • Inclusions: Washer/Dryer, All Kitchen Applncs
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        Estimated market value

        $2,032,100

        $1.93M - $2.13M

        $7,394/mo

        Price history

        DateEventPrice
        6/11/2026Listed for rent$11,000$3/sqft
        Source: Berkshire Hathaway HomeServices New England Properties Report a problem
        6/10/2026Price change$2,075,000-11.7%$621/sqft
        Source: Greenwich MLS, Inc. #124934 Report a problem
        5/7/2026Listed for sale$2,350,000+25033.7%$704/sqft
        Source: Greenwich MLS, Inc. #124934 Report a problem
        6/1/2022Sold$9,350+35.5%$3/sqft
        Source: BHHS NE Properties sold #170493473_06807 Report a problem
        11/14/2016Sold$6,900-99.6%$2/sqft
        Source: Agent Provided Report a problem
        8/19/2016Listed for sale$1,550,000$464/sqft
        Source: Berkshire Hathaway HomeServices New England Properties #97613 Report a problem

        Public tax history

        Tax history is unavailable.

        Monthly payment

        Est. payment

          Payment breakdown

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          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: Cos Cob

          Getting around

          75 / 100
          Very Walkable
          46 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • Elementary: Cos Cob
          • 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.

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