by RH Advisors

See Home Value
Larchmont 10538
3 Cedar Island
$8,300,000
● House - Off Market

3 Cedar Island

Mamaroneck, NY 10538
bedrooms
5 Beds
bathrooms
4 Baths, 1 Half Bath
square feet
4,735 Ft²
$38,725
Est. Monthly

About This Property

Have you been waiting for a waterfront opportunity in Larchmont Manor with sweeping lawns and breathtaking views? This is it. Offered for the first time in nearly sixty years, this magnificent Tudor estate on Cedar Island sits on 1.09 spectacular acres overlooking Larchmont Harbor and Long Island Sound, complete with a private dock and beach. A stunning entrance with exquisite architectural details welcomes you into a grand living room, inviting family room, formal step-down dining room, spacious kitchen, and a powder room. A beautiful flagstone patio provides the perfect setting to relax and take in the serene landscape and boats gliding by. The second floor features five bedrooms, four baths, and a large family room, offering generous space for both everyday living and hosting guests. In addition to the four-car garage-complete with its own wine cellar and full bathroom-there is a separate garage ideal for boat storage, as well as a charming playhouse. The expansive lawn is tailor-made for outdoor entertaining; the current owners even celebrated their daughters' weddings on these stunning grounds. All just moments from Larchmont Village and only 30 minutes from Manhattan, this rare waterfront offering is truly a once-in-a-generation opportunity to make it your own. This fabulous home on Cedar Island has not been on the market in close to sixty years.
Unit Size
4,735 Ft²
Days on Market
83 days
Land Size
1.09 acres
Price per sqft
$1,320
Property Type
House
Property Taxes
$8,036
HOA Dues
-
Year Built
1925

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Last updated: 6 months ago (OneKey MLS #KEY954226)

Price History

Date / Event Date Event Price
May 12, 2026 Sold
Sold
Mar 12, 2026 In contract -
In contract
Feb 25, 2026 In contract -
In contract
Feb 13, 2026 Listed by Houlihan Lawrence Inc. $6,250,000
Listed by Houlihan Lawrence Inc.

Property Highlights

Garage
Air Conditioning
With View
Fireplace

Building Info

Overview

    General

  • Year Built: 1925
  • Effective Year Built: 1925
  • Bedroom Count: 5
  • Bathroom Count: 5
  • Full Bathrooms: 4
  • Partial Bathrooms: 5
  • Building Condition: 6
  • Building Quality: 7
  • Construction Type: 0
  • Building Style: 1
  • Exterior Walls Type: 12
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 6
  • Basement Area: 0
  • Garage Type: 1
  • Garage Square Area: 1,078
  • Parking Space Count: 4
  • Patio Type: 20
  • Porch Type: 0
  • Pool Type: 0
  • Location Influence Type: 15

    Dimensions

  • Lot Size Square Feet: 47,480
  • Lot Size Depth Feet: 2,000
  • Lot Size Frontage Feet: 4,030
  • Total Building Area: 4,735
  • Building Area: 4,735
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 1
  • Heating: 10
  • Heated Square Feet: 4,735
  • Heating Fuel Type: 3

    Utilities

  • Sewer System: 1
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: CEDAR ISLAND
  • Land Acres: 0000001090
  • Standard Land Use Code: 1001
  • County Land Use Code: 210

Neighborhood

  • School District Name: Mamaroneck Union Free School District
  • School Tax School District: MAMARONECK
  • Census Tract: 007100

Zoning

  • Zoning: W

Geography

  • Account Number: 476200
  • District: 553201
  • Section: 7.18
  • Parcel: 553201 7-18-266
  • Block: 266
  • Municipality: LARCHMONT
  • Latitude: 40.9271
  • Longitude: -73.7443

    Address

  • Full Address: 3 Cedar Is
  • Address - House Number: 3
  • Address - Street Name: Cedar
  • Address - Suffix Type: Is
  • State: NY
  • City Name: Larchmont
  • Carrier Code: C003
  • 4-Digit Zip Code: 3816
  • Zip Code: 10538

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $8,550,231
  • Tax Rate Code Area: 553201

    Appraisal Valuation

  • Standard Deviation: 0.4572
  • Valuation Date: Feb 07, 2024
  • Confidence Score: 8
  • Final Value: 856,545
  • High Value: 1,248,161
  • Low Value: 464,928

    Market Valuation

  • Market Total Value: $4,250,000
  • Market Land Value: $2,432,500
  • Market Improvement Value: $1,817,500

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $4,250,000
  • Assessed Land Value: $2,432,500
  • Assessed Improvements Value: $1,817,500

    Exemptions

  • Veteran Exemption: Yes
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Larchmont


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Unit for rent at 14 Deane Place, Larchmont, NY, 10538

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Unit for rent at 453 Palmer Avenue, Mamaroneck, NY, 10543

$10,000 /mo

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453 Palmer Avenue, Mamaroneck, NY, 10543 Listing by Kathleen Spadaro


Frequently Asked Questions

When was property at 3 Cedar Island built and last sold?
The property at 3 Cedar Island was built in 1925 and last sold on Jan 1, 1970 for $0.
How much is this home worth?
The estimated value of the home located at 3 Cedar Island is $0.
What are some comparable homes to 3 Cedar Island?
There are currently no comparable homes to 3 Cedar Island.