Google street view image for 11 Hadley Rd, Armonk, NY 10504

Off market jun 1984 for $505K

$2,445,829

Est. refi paymentEst. refi $3,992/mo

—

•

5 ba

•

5,902

sq ft

11 Hadley Rd, Armonk, NY 10504

About this home

11 Hadley Rd is a 5,902 square foot house on a 2.24 acre lot with 5 bathrooms. - it last sold on June 21, 1984 for $505,000. Based on Redfin's Armonk data, we estimate the home's value is $2,445,829.

Single-familyProperty Type

1984Year Built

2.24 acresLot Size

$414Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,445,829

$1.9M since sold in June 1984$490K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.1% lower than the average sale price ($2.85M) of 6 comparable homes.

SOLD AUG 13, 2026
$3,269,500
A
4 beds4.5 baths5,477 sq ft
9 Gifford Lake Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD AUG 21, 2026
$3,950,000
B
5 beds5 baths5,163 sq ft
10 Gaston Farm Rd, Greenwich, CT 06831
SOLD AUG 3, 2026
$2,530,000
C
6 beds5 baths5,811 sq ft
17 Wampus Lake Dr, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD AUG 4, 2026
$2,555,000
D
5 beds3.5 baths4,155 sq ft
1 Redbrooke Pl, Armonk, NY 10504
Listing by Julia B Fee Sothebys Int. Rlty
SOLD MAY 21, 2026
$2,750,000
E
5 beds5.5 baths5,652 sq ft
2 Hemlock Rise, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD AUG 17, 2026
$2,032,500
F
5 beds5.5 baths6,108 sq ft
16 Carolyn Pl, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.

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Earn from this home

Sell

$2,303,354

Est. take-home

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Refinance

Est. cash available

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Market trends in 10504, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.9%

+0.1% MoM

Median sale price

$1.9M

$152K MoM

Avg. days on market

21d

4 days MoM

Recently sold homes

5 MoM

New listings for sale

NEW 3 HRS AGO
$3,895,000
6 beds6.5 baths4,653 sq ft
9 Cole Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
$2,400,000
4 beds5.5 baths5,139 sq ft
10 Cider Mill Cir, Armonk, NY 10504
Listing by William Raveis Real Estate
VIDEO TOUR
$2,995,000
5 beds6.5 baths7,141 sq ft
37 Sarles St, Armonk, NY 10504
Listing by Serhant LLC
$1,499,000
3 beds2.5 baths3,544 sq ft
115 Whippoorwill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
$5,400,000
7 beds8.5 baths11,521 sq ft
2 Hollow Ridge Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC
$1,800,000
4 beds3.5 baths2,900 sq ft
8 Rosehill Dr, Armonk, NY 10504
Listing by William Raveis Real Estate
See all

Provided by Redfin

Sale history for 11 Hadley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$41,779 (+2.0%)

$3,000 + $34,300

$37,300

2025

$40,960 (+50.9%)

$3,000 + $34,300

$37,300

2024

$27,150 (−29.6%)

$3,000 + $34,300

$37,300

2023

$38,564 (+2.5%)

$3,000 + $34,300

$37,300

2022

$37,614 (+1.6%)

$3,000 + $34,300

$37,300

2021

$37,033 (−0.3%)

$3,000 + $34,300

$37,300

2020

$37,140

$3,000 + $34,300

$37,300

2019

$37,128

$3,000 + $34,300

$37,300

2018

$3,000 + $34,300

$37,300

2017

$3,000 + $34,300

$37,300

2016

$3,000 + $34,300

$37,300

2014

$3,000 + $34,300

$37,300

2013

$3,000 + $34,300

$37,300

2012

$3,000 + $34,300

$37,300

2011

$3,000 + $34,300

$37,300

2010

$3,000 + $34,300

$37,300

2009

$3,000 + $34,300

$37,300

2008

$3,000 + $34,300

$37,300

Tax history for 11 Hadley Rd

Year

Property tax

Land + Additions

Assessment*

2026

$41,779 (+2.0%)

$3,000 + $34,300

$37,300

2025

$40,960 (+50.9%)

$3,000 + $34,300

$37,300

2024

$27,150 (−29.6%)

$3,000 + $34,300

$37,300

2023

$38,564 (+2.5%)

$3,000 + $34,300

$37,300

2022

$37,614 (+1.6%)

$3,000 + $34,300

$37,300

2021

$37,033 (−0.3%)

$3,000 + $34,300

$37,300

2020

$37,140

$3,000 + $34,300

$37,300

2019

$37,128

$3,000 + $34,300

$37,300

2018

$3,000 + $34,300

$37,300

2017

$3,000 + $34,300

$37,300

2016

$3,000 + $34,300

$37,300

2014

$3,000 + $34,300

$37,300

2013

$3,000 + $34,300

$37,300

2012

$3,000 + $34,300

$37,300

2011

$3,000 + $34,300

$37,300

2010

$3,000 + $34,300

$37,300

2009

$3,000 + $34,300

$37,300

2008

$3,000 + $34,300

$37,300

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

Property details

Interior

Bathroom Information
# of Full Baths: 5

Heating & Cooling
Air Conditioning Type: Central

Fireplace Information
# of Fireplaces: 4
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Exterior Wall: Frame Wood

Pool Information
Pool Type: Concrete
Has Pool

Property Information
Subdivision Name: NORTH CASTLE
Living Sq. Ft: 5,902
Ground Floor Sq. Ft: 5,902
Building Sq. Ft: 5,902
Legal Description: M9

Lot Information
# of Buildings: 1
Land Sq. Ft: 97,407
Legal Lot Number: 26
Legal Block Number: 2
School Tax District: BYRAM HILLS
Municipality Name: NORTH CASTLE
Acres: 2.2362
State Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Private

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: 5.0
Sq. Ft.: 5,902
Stories: —
Lot Size: 2.24 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: —
County: Westchester County
APN: 553800A10800400020260000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 1.5mi

10/10

H C Crittenden Middle School

Public 6-8 • Assigned • 1.3mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 1.0mi

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 98° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Armonk, NY • 10504

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 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.32M – $2.81M

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Nearby similar homes

NEW 3 HRS AGO

$3,895,000

6 beds6.5 baths4,653 sq ft

9 Cole Dr, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

$2,400,000

4 beds5.5 baths5,139 sq ft

10 Cider Mill Cir, Armonk, NY 10504

Listing by William Raveis Real Estate

$1,499,000

3 beds2.5 baths3,544 sq ft

115 Whippoorwill Rd, Armonk, NY 10504

Listing by William Raveis Real Estate

$1,575,000

3 beds3 baths2,360 sq ft

5 Byram Brook Pl, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

$5,400,000

7 beds8.5 baths11,521 sq ft

2 Hollow Ridge Rd, Armonk, NY 10504

Listing by Compass Greater NY, LLC

$2,790,000

6 beds5.5 baths7,978 sq ft

20 Bessel Ln, Chappaqua, NY 10514

Listing by Houlihan Lawrence Inc.

New listings for sale in 10504

NEW 3 HRS AGO

$3,895,000

6 beds6.5 baths4,653 sq ft

9 Cole Dr, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

$2,400,000

4 beds5.5 baths5,139 sq ft

10 Cider Mill Cir, Armonk, NY 10504

Listing by William Raveis Real Estate

VIDEO TOUR

$2,995,000

5 beds6.5 baths7,141 sq ft

37 Sarles St, Armonk, NY 10504

Listing by Serhant LLC

$1,499,000

3 beds2.5 baths3,544 sq ft

115 Whippoorwill Rd, Armonk, NY 10504

Listing by William Raveis Real Estate

$5,400,000

7 beds8.5 baths11,521 sq ft

2 Hollow Ridge Rd, Armonk, NY 10504

Listing by Compass Greater NY, LLC

$1,800,000

4 beds3.5 baths2,900 sq ft

8 Rosehill Dr, Armonk, NY 10504

Listing by William Raveis Real Estate

Home values near 11 Hadley Rd

Data from public records.

Address	Redfin Estimate
10 Hadley Rd, Armonk, NY - Beds \| 2 Baths \| 4288 Sq. Ft.	$1,686,709
2 Hadley Rd, Armonk, NY 5 Beds \| 3.5 Baths \| 6548 Sq. Ft.	$2,773,662

Address	Redfin Estimate
9 Hadley Rd, Armonk, NY 4 Beds \| 6 Baths \| 6028 Sq. Ft.	$3,651,899
17 Hadley Rd, Armonk, NY - Beds \| 3 Baths \| 3175 Sq. Ft.	$1,565,136

Address	Redfin Estimate
1 Hadley Rd, Armonk, NY - Beds \| 2 Baths \| 2350 Sq. Ft.	$2,073,301
3 Hadley Rd, Armonk, NY 5 Beds \| 3.5 Baths \| 3029 Sq. Ft.	$1,877,692

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