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$1,575,000

  • For Sale
  • Active
  • Land Residential
  • 0.52 Acres
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.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,

Full Property Details for 9 Walnut St

General

  • Price: $1,575,000
  • Taxes: (July 2025-June 2026)
  • Status: Active
  • Type: Land Residential
  • Source: SMARTMLS
  • MLS ID: 24138306
  • Updated: 11/26/2025
  • Added to Site: 72 day(s) ago

Location

  • County: Fairfield
  • Neighborhood: Mianus
  • Driving Directions: Valley Road to Walnut
  • Total Lots Available: 1

School Information

  • Elementary School: North Mianus
  • Middle School: Eastern
  • Intermediate School: Per Board of Ed
  • High School: Greenwich

Community

  • Community Name: Mianus

Utilities

  • Sewer: Public Sewer Connected
  • Water: Public Water Connected
  • Utility Description: Cable, Electric, Gas, Phone Available

Lot Features

  • Lot Size (Acres): 0.52
  • Frontage: Private Road
  • Frontage Feet: 200
  • Land Improvements: Approved Building Lot, Lot Staked
  • Zoning: R-12
  • Lot Description: Rocky, Level Lot, On Cul-De-Sac

Water Features

  • Water Front Desc.: Access

Financial Considerations

  • Assessment Amount: $714,140
  • Tax Year: July 2025-June 2026

Disclosures and Reports

  • Documents Avail.: Building Plan, Legal Description, Photo/Survey
  • Property ID: 1858762

Listed by Berkshire Hathaway NE Prop., Peter Janis

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Listing agent

— 9 Walnut St —

  • Peter Janis

    Berkshire Hathaway NE Prop.

Agent Contact: (203) 249-1013 Office Contact: (203) 869-0500

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 9 Walnut St

School District:Greenwich School District
NameGradesDistance
North Mianus School
309 Palmer Hill Rd., Greenwich, CT 06878
K-50.8 mi
Eastern Middle School
51 Hendrie Ave., Greenwich, CT 06878
6-82.4 mi
Greenwich High School
10 Hillside Road, Greenwich, CT 06830
9-122.7 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 9 Walnut St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/05/2025
Listed
$1,575,000
—
MLS
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 9 Walnut St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$8,825
4%
$714,140
—
2023
$8,524
3%
$714,140
—
2023
$8,310
1%
$714,140
—
2022
$8,234
2%
$714,140
11%
2021
$8,096
5%
$641,340
—
2020
$7,709
-1%
$641,340
—
2019
$7,786
2%
$641,340
—
2018
$7,613
-1%
$641,340
—
2017
$7,708
2%
$641,340
—
2016
$7,586
30%
$641,340
31%
2015
$5,819
2%
$490,490
—
2014
$5,702
3%
$490,490
—
2013
$5,547
—
$490,490
—
2011
$5,547
—
$490,490
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Berkshire Hathaway NE Prop., Peter Janis

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9 Walnut Street, Greenwich, CT 06807 (MLS# 24138306) is a Land Residential property with a lot size of 0.52 acres. 9 Walnut Street is currently listed for $1,575,000 and was received on November 05, 2025. Want to learn more about 9 Walnut Street? Do you have questions about finding other Land Residential real estate for sale in Greenwich? You can browse all Greenwich real estate or contact a Coldwell Banker agent to request more information.

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