9 Walnut Street

Cos Cob, CT 06807 (Greenwich) Directions
$1,495,000
  • 3Bed
  • 1Baths
  • 1,482Sqft
  • 0.52Acres
  • 1970Built
  • $1,009Price/Sqft

Property Highlights

  • Elementary: North Mianus
  • Mid. School: Eastern Middle
  • Neighborhood: 4 - Cos Cob
  • Days on Market: 237
  • MLS: 123887

Property Highlights

  • Elementary: North Mianus
  • Mid. School: Eastern Middle
  • Neighborhood: 4 - Cos Cob
  • Days on Market: 237
  • MLS: 123887

..52-Acre Buildable Lot with Existing Cottage -- North Mianus Nestled at the end of a private road in the desirable North Mianus neighborhood, this .52-acre property offers a rare combination of privacy, potential, and flexibility. Build your own custom home--ideal for builders, investors, or end-users looking to create their dream residence. In addition to the new-construction opportunity, the property includes an existing grandfathered 1-bedroom, 1-bath cottage, perfect for rental income, a guest house, or an in-law suite while the main home is being built. A rare offering in one of Greenwich's most sought-after areas, located within...

Property Highlights

  • Elementary: North Mianus
  • Mid. School: Eastern Middle
  • Neighborhood: 4 - Cos Cob
  • Days on Market: 237
  • MLS: 123887

..52-Acre Buildable Lot with Existing Cottage -- North Mianus Nestled at the end of a private road in the desirable North Mianus neighborhood, this .52-acre property offers a rare combination of privacy, potential, and flexibility. Build your own custom home--ideal for builders, investors, or end-users looking to create their dream residence. In addition to the new-construction opportunity, the property includes an existing grandfathered 1-bedroom, 1-bath cottage, perfect for rental income, a guest house, or an in-law suite while the main home is being built. A rare offering in one of Greenwich's most sought-after areas, located within the North Mianus Elementary and Eastern Middle School districts.

..52-Acre Buildable Lot with Existing Cottage -- North Mianus Nestled at the end of a private road in the desirable North Mianus neighborhood, this .52-acre property offers a rare combination of privacy, potential, and flexibility. Build your own custom home--ideal for builders, investors, or end-users looking to create their dream residence. In addition to the new-construction opportunity, the property includes an existing grandfathered 1-bedroom, 1-bath cottage, perfect for rental income, a guest house, or an in-law suite while the main home is being built. A rare offering in one of Greenwich's most sought-after areas, located within the North Mianus Elementary and Eastern Middle School districts.

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  • Additional Information
    • Elementary School: North Mianus
    • Middle School: Eastern Middle
    • On Market Date: 2025-10-27
    • Road Type: Private Road
    • Style: Colonial
    • Tax Amount: $8,825
    • Type: Land
    • Year Built: 1970
  • Interior/Exterior Features
    • Beds: 3
    • Construction Materials: Wood Siding
    • Full Baths: 1
    • Heat: Natural Gas, Hot Water
William Pitt / Julia B. Fee Sotheby's International Realty

New Canaan Brokerage

26 Cherry Street
New Canaan, CT 06840

Information provided by the Greenwich Multiple Listing Service, Inc. © 2026. Listing Courtesy of Peter Janis of BHHS New England Properties. Data is updated as of 16:54 PM on 05/19/2026

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