Skip main navigation
Off market
Street View
  • $6,187,400

    307 Cognewaugh Rd, Cos Cob, CT 06807

    5beds
    6,400sqft
    SingleFamily
    Built in 2024
    4.08 Acres Lot
    $6,187,400 Zestimate®
    $967/sqft
    $4,070 Estimated rent

    Home value

    $6,187,400

    $5.38M - $7.12M

    $4,070/mo

    Zestimate® history
    Loading...

    Owner options

    List your home for rent

    $4,070/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $4,070/mo

    Rent Zestimate®

    Refinance and save

    $34,872/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $34,872/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    A long, private driveway lined with 30-40 year old pines leads you to this private, gated property with 4.08 acres of level land featuring a 20' X 70' Koi pond with lily pads, 1,000+ fish, and exceptional wildlife: owls, egret, kingfisher, hawks and great blue heron. 1.5 acres of usable land has a 3 BR, 3 BA ranch style home and a detached 2-car garage with storage. FAR is approximately 15,000 sq ft. New 600 foot deep well built in 2016. House sold ''as is''. Secondary septic field approved by town in 2016. This is a wonderful opportunity to build a new home on an over sized lot with privacy, views, conveniently located only 10 minutes to town. Located near Old Camp Ln with easy access to Stanwich Road. Please do not go to property w/out a confirmed appt, home is occup

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 6
    • Full bathrooms: 5
    • 1/2 bathrooms: 1
    Heating
    • Forced air, Gas
    Cooling
    • Central
    Appliances
    • Included: Dishwasher, Dryer, Freezer, Garbage disposal, Microwave, Range / Oven, Refrigerator, Trash compactor, Washer
    Features
    • Flooring: Hardwood
    • Basement: Partially finished
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 6,400 sqft

    Property

    Parking
    • Total spaces: 3
    • Parking features: Garage - Attached
    Features
    • Exterior features: Shingle, Wood, Composition, Metal
    • Has view: Yes
    • View description: Park
    Lot
    • Size: 4.08 Acres
    Details
    • Parcel number: GREEM08B2316
    • Zoning: RA-2

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Colonial
    Materials
    • Frame
    • Roof: Asphalt
    Condition
    • Year built: 2024

    Utilities & green energy

    • Water: Well

    Community & neighborhood

    Location
    • Region: Cos Cob

    Other

    Other facts
    • Lot Location: Front
    • Lot Description: Level, Wooded
    • Dwelling: Yes
    • Restrictions: Wetlands, Zoning
    • Heat Fuel: Oil
    • Water Source: Well
    • Heat System: Hot Water
    • Design: Ranch
    • Cooling: Window Unit(s)
    • Waterfront Descrip: Pond/Lake
    • SqFt Source: Taxcard
    • Zoning: RA-2
    • Exterior: Wood Siding

    Price history

    DateEventPrice
    12/18/2020Sold$899,000$140/sqft
    Source: Greenwich MLS, Inc. #111580
    11/9/2020Pending sale$899,000$140/sqft
    Source: Berkshire Hathaway HomeServices New England Properties #111575
    10/28/2020Listed for sale$899,000$140/sqft
    Source: Berkshire Hathaway N.E. Properties #111580

    Public tax history

    YearProperty taxesTax assessment
    2025$36,074 +34.5%$2,996,140 +30.8%
    2024$26,829 +96.4%$2,291,100 +91%
    2023$13,659 +61.6%$1,199,240 +60.1%

    Find assessor info on the county website

    Neighborhood: 06807

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: North Street
    • Middle: Central

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

    Sell for more on Zillow
    Get a free Zillow Showcase℠ listing and you could sell for .
    $6,187,400
    2% more+ $124K
    With Zillow Showcase(estimated)
    $6,311,148