9 Walnut Street, Cos Cob, CT 06807

Local realty services provided by:ERA Insite Realty Services
9 Walnut Street,Cos Cob, CT 06807
$1,575,000
  • 0.52 Acres
  • Lots / Land
  • Active
Listed by: peter janis
Office: bhhs new england properties
MLS#:123887
Source:CT_GAR

Price summary

  • Price:$1,575,000

About this home

.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 unique combination of privacy, potential, and flexibility. The lot is fully entitled with plans to build a 4,200 sq. ft. custom home, making it 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 1-bedroom, 1-bathroom cottage that is grandfathered in—perfect for rental income, a guest house, or an in-law suite while the main home is being built. This is a rare offering in one of Greenwich's most sought-after areas, within the North Mianus Elementary and Eastern Middle School districts,

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Home facts

  • Year built:1970
  • Listing ID #:123887
  • Added:97 day(s) ago
  • Updated:February 01, 2026 at 03:23 PM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:1
  • Full bathrooms:1
  • Living area:1,482 sq. ft.

Heating and cooling

  • Heating:Heating, Hot Water, Natural Gas

Structure and exterior

  • Year built:1970
  • Building area:1,482 sq. ft.
  • Lot area:0.52 Acres

Schools

  • Middle school:Eastern Middle
  • Elementary school:North Mianus

Utilities

  • Water:Public
  • Sewer:Town Sewer

Finances and disclosures

  • Price:$1,575,000
  • Tax amount:$8,825
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