Off market dec 2016 for $8.2M

$9,143,029

•

—

sq ft

249 Cleft Rd, Mill Neck, NY 11765

About this home

Oak Knoll Is An 18 Acre Estate Built For Bertram Work And Designed By William A Delano At The Start Of The Gold Coast Era. Offering Classic Italian Design , This Residence Is Set On Breathtaking Property With Views Of Oyster Bay Harbor. Special Old World Details Include Cobblestone Driveway, A Carriage House W/Apartment, A Gardeners House W/ Green House, And An Apartment., Additional information: Appearance:Mint,Business Located At:,Rental Income:,Separate Hotwater Heater:Y

Single-familyProperty Type

1916Year Built

18 acresLot Size

Listing by Linda Faraldo • Daniel Gale Sothebys Intl Rlty

Bought with Huailing Deng • Daniel Gale Sothebys Intl Rlty

Bought with Qing Lu • Daniel Gale Sothebys Intl Rlty

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #L2852231

Redfin Estimate

$9,143,029

$893K since sold in December 2016$98K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 109% higher than the average sale price ($4.38M) of 6 comparable homes.

SOLD MAY 27, 2026
$5,400,000
A
7 beds9.5 baths12,690 sq ft
127 Horseshoe Rd, Mill Neck, NY 11765
Listing by BERKSHIRE HATHAWAY
SOLD JAN 13, 2026
$3,850,000
B
5 beds5.5 baths6,188 sq ft
312 Feeks Ln, Mill Neck, NY 11560
Listing by Daniel Gale Sothebys Intl Rlty
SOLD AUG 7, 2026
$1,850,000
C
6 beds5 baths6,200 sq ft
77 Cove Rd, Oyster Bay, NY 11771
Listing by Daniel Gale Sothebys Intl Rlty
SOLD MAY 8, 2026
$2,975,000
D
6 beds5.5 baths7,000 sq ft
339 Meadow Ln, Mill Neck, NY 11765
Listing by Compass Greater NY LLC
SOLD SEP 22, 2026
$6,680,000
E
8 beds7.5 baths10,500 sq ft
530 Chicken Valley Rd, Locust Valley, NY 11560
Listing by Daniel Gale Sothebys Intl Rlty
SOLD JUN 10, 2026
$5,495,000
F
6 beds7.5 baths9,534 sq ft
6 La Colline Dr, Mill Neck, NY 11765
Listing by BERKSHIRE HATHAWAY

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Earn from this home

Sell

$3,396,134

Est. take-home

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Rent

$4,569/mo

Redfin rental estimate

List your home for rent

Market trends in 11765, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.8%

+2.8% MoM

Median sale price

$5.6M

$395K MoM

Avg. days on market

95d

145 days MoM

Recently sold homes

2 MoM

New listings for sale

$1,599,000
3 beds3 baths2,236 sq ft
646 The Concourse, Oyster Bay, NY 11771
Listing by Douglas Elliman Real Estate
See all

Provided by Redfin

Sale history for 249 Cleft Rd

Date

Event

Price

Public Records

Jan 10, 2017

Sold

$8,250,000

OneKey® MLS as Distributed by MLS Grid #L2810075

May 12, 2016

Listing Removed

—

Nov 11, 2015

Listed

$11,800,000

Public Records

Mar 7, 2016

Sold

$8,100,000

OneKey® MLS as Distributed by MLS Grid #L2852231

Nov 11, 2015

Listed

$9,533,300

OneKey® MLS as Distributed by MLS Grid #L2734257

Jul 31, 2015

Listing Removed

—

Jan 23, 2015

Listed

$11,900,000

OneKey® MLS as Distributed by MLS Grid #L2734249

Jul 31, 2015

Listing Removed

—

Jan 17, 2014

Listed

$11,900,000

OneKey® MLS as Distributed by MLS Grid #L2641276

Jan 23, 2015

Listing Removed

—

Jan 17, 2014

Listed

$14,800,000

Year

Property tax

Land + Additions

Assessment*

2025

$95,029 (+8.2%)

$1,472 + $5,157

$6,629

2024

$87,796 (+0.8%)

$1,472 + $5,157

$6,629

2023

$87,088 (+3.9%)

$1,472 + $5,157

$6,629

2022

$83,849 (−4.0%)

$1,472 + $5,157

$6,629

2021

$87,362 (−1.4%)

$1,472 + $5,157

$6,629

2020

$88,564 (+14.9%)

$1,472 + $5,157

$6,629

2019

$77,096 (−35.8%)

$1,421 + $5,504

$6,925

2018

$120,180 (+5.6%)

$3,426 + $10,794

$14,220

2017

$113,821 (+2.8%)

$3,426 + $10,794

$14,220

2016

$110,704 (+11.4%)

$3,426 + $10,794

$14,220

2015

$99,379 (+5.3%)

$3,426 + $10,794

$14,220

2014

$94,367 (+6.0%)

$3,426 + $10,794

$14,220

2013

$89,019 (+10.4%)

$3,426 + $10,794

$14,220

2012

$80,620 (+14.0%)

$3,426 + $19,811

$23,237

2011

$70,740 (+20.1%)

$3,426 + $11,386

$14,812

2010

$58,921 (+8.6%)

$3,806 + $10,169

$13,975

2009

$54,271

$3,806 + $10,063

$13,869

Tax history for 249 Cleft Rd

Year

Property tax

Land + Additions

Assessment*

2025

$95,029 (+8.2%)

$1,472 + $5,157

$6,629

2024

$87,796 (+0.8%)

$1,472 + $5,157

$6,629

2023

$87,088 (+3.9%)

$1,472 + $5,157

$6,629

2022

$83,849 (−4.0%)

$1,472 + $5,157

$6,629

2021

$87,362 (−1.4%)

$1,472 + $5,157

$6,629

2020

$88,564 (+14.9%)

$1,472 + $5,157

$6,629

2019

$77,096 (−35.8%)

$1,421 + $5,504

$6,925

2018

$120,180 (+5.6%)

$3,426 + $10,794

$14,220

2017

$113,821 (+2.8%)

$3,426 + $10,794

$14,220

2016

$110,704 (+11.4%)

$3,426 + $10,794

$14,220

2015

$99,379 (+5.3%)

$3,426 + $10,794

$14,220

2014

$94,367 (+6.0%)

$3,426 + $10,794

$14,220

2013

$89,019 (+10.4%)

$3,426 + $10,794

$14,220

2012

$80,620 (+14.0%)

$3,426 + $19,811

$23,237

2011

$70,740 (+20.1%)

$3,426 + $11,386

$14,812

2010

$58,921 (+8.6%)

$3,806 + $10,169

$13,975

2009

$54,271

$3,806 + $10,063

$13,869

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

—

Baths

7.5

Stories

Lot width

—

Lot depth

—

Lot size

5.1 Acres

Year renovated

—

Sq. Ft.

16,434

Year built

1911

Style

Single Family Residential

County

Nassau County

APN

29 L 06750

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 17, 2026.

Property details

Parking

Parking Information
Parking Features: Detached, Private

Interior

Fireplace Information
Fireplaces Total: 14

Heating & Cooling
Cooling: Central Air
Heating: Oil, Steam

Interior Features
Interior Features: Eat-in Kitchen,Formal Dining
Appliances: Dishwasher, Dryer, Refrigerator, Washer
Flooring: Hardwood
Patio And Porch Features: Patio

Room Information
Basement YN: No
Attic: None
Rooms Total: 15
Basement: Full, Partially Finished
Additional Rooms: Home Office,Library/Den

Bathroom Information
Bathrooms Full: 6
Bathrooms Half: 2

Exterior

Pool Information
Has Private Pool

Lot Information
Additional Parcels YN: No
Lot Features: Sprinklers In Front, Sprinklers In Rear

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 29
Tax Annual Amount: $165,654.63

Financial Information
Buyer Financing: Cash

Location

School Information
School District Number: 6
High School District: Oyster Bay-East Norwich

Location Information
Village: Mill Neck
Directions: West Shore Road To Cleft Road
County Or Parish: Nassau County

Public facts

Beds: —
Baths: 7.5
Sq. Ft.: 16,434
Stories: 3.0
Lot Size: 5.1 acres
Style: Single Family Residential
Year Built: 1911
Year Renovated: —
County: Nassau County
APN: 29 L 06750

Home facts updated by county records on Aug 17, 2026

Around this home

Schools

Theodore Roosevelt School

Public PreK-2 • Assigned • 0.9mi

Oyster Bay Middle School

Public 7-8 • Assigned • 1.5mi

8/10

Oyster Bay High School

Public 9-12 • Assigned • 1.5mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° expected this year, 16 days in 30 years

6/10 Wind Factor

71% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Mill Neck, NY • 11765

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$8.69M – $10.52M

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Nearby similar homes

$1,599,000

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Listing by Douglas Elliman Real Estate

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3D & VIDEO TOUR

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Listing by Douglas Elliman Real Estate

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6 beds8 baths8,923 sq ft

200 Cleft Rd, Mill Neck, NY 11765

Listing by Daniel Gale Sothebys Intl Rlty

$8,975,000

6 beds8 baths9,639 sq ft

52 Piping Rock Rd, Locust Valley, NY 11560

Listing by Daniel Gale Sothebys Intl Rlty

New listings for sale in 11771

$1,599,000

3 beds3 baths2,236 sq ft

646 The Concourse, Oyster Bay, NY 11771

Listing by Douglas Elliman Real Estate

Home values near 249 Cleft Rd

Data from public records.

Address	Redfin Estimate
222 Cleft Rd, Mill Neck, NY - Beds \| 8.5 Baths \| 9880 Sq. Ft.	$11,254,510
239 Cleft Rd, Mill Neck, NY - Beds \| 5.5 Baths \| 8356 Sq. Ft.	$3,812,585

Address	Redfin Estimate
242 Cleft Rd, Mill Neck, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,473,124
247 Cleft Rd, Mill Neck, NY - Beds \| 5.5 Baths \| 6635 Sq. Ft.	$3,848,670

Address	Redfin Estimate
246 Cleft Rd, Mill Neck, NY 7 Beds \| 7.5 Baths \| 7787 Sq. Ft.	$4,438,704
236 Cleft Rd, Mill Neck, NY 4 Beds \| 7 Baths \| 7500 Sq. Ft.	$3,902,743

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2015. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11765, NY

Sale history for 249 Cleft Rd

Tax history for 249 Cleft Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11771

Home values near 249 Cleft Rd

More real estate resources