Google street view image for 20 Whippoorwill Rd E, Armonk, NY 10504

Off market dec 2001 for $134K

$510,583

Est. refi paymentEst. refi $1,009/mo

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— ba

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741

sq ft

20 Whippoorwill Rd E, Armonk, NY 10504

About this home

20 Whippoorwill Rd E is a 741 square foot house on a 2.28 acre lot. - it last sold on December 21, 2001 for $134,500. Based on Redfin's Armonk data, we estimate the home's value is $510,583.

Single-familyProperty Type

2.28 acresLot Size

$689Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$510,583

$376K since sold in December 2001$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 67.6% lower than the average sale price ($1.58M) of 6 comparable homes.

SOLD SEP 4, 2026
$1,895,000
A
3 beds3 baths2,406 sq ft
12 Tallwoods Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD JUL 23, 2026
$1,410,000
B
3 beds2 baths1,546 sq ft
24 Half Mile Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 4, 2026
$1,600,000
C
4 beds2.5 baths2,865 sq ft
6 Birch Grove Dr, Armonk, NY 10504
Listing by William Raveis-New York, LLC
SOLD SEP 11, 2026
$2,062,125
D
4 beds3.5 baths3,014 sq ft
17 Byram Lake Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUN 25, 2026
$1,295,000
E
2 beds2.5 baths1,930 sq ft
585 Main St Unit 2F, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUL 24, 2026
$1,200,000
F
3 beds3 baths2,430 sq ft
4 Half Mile Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC

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Earn from this home

Sell

$450,191

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

$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
$5,895,000
6 beds6.5 baths4,653 sq ft
9 Cole Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
See all

Provided by Redfin

Sale history for 20 Whippoorwill Rd E

Year

Property tax

Land + Additions

Assessment*

2026

$2,270 (+3.2%)

$100 + $2,475

$2,575

2025

$2,201 (+4.4%)

$100 + $2,475

$2,575

2024

$2,108 (+11.7%)

$100 + $2,475

$2,575

2023

$1,887 (+7.8%)

$100 + $2,475

$2,575

2022

$1,751

$100 + $2,475

$2,575

2021

$1,753 (−2.8%)

$100 + $2,475

$2,575

2020

$1,803 (+29.8%)

$100 + $2,475

$2,575

2019

$1,389

$100 + $2,475

$2,575

2018

$100 + $2,475

$2,575

2017

$100 + $2,475

$2,575

2016

$100 + $2,475

$2,575

2014

$100 + $2,800

$2,900

2013

$100 + $2,800

$2,900

2012

$100 + $2,800

$2,900

2011

$100 + $2,800

$2,900

2010

$100 + $2,800

$2,900

2009

$100 + $2,800

$2,900

2008

$100 + $2,800

$2,900

Tax history for 20 Whippoorwill Rd E

Year

Property tax

Land + Additions

Assessment*

2026

$2,270 (+3.2%)

$100 + $2,475

$2,575

2025

$2,201 (+4.4%)

$100 + $2,475

$2,575

2024

$2,108 (+11.7%)

$100 + $2,475

$2,575

2023

$1,887 (+7.8%)

$100 + $2,475

$2,575

2022

$1,751

$100 + $2,475

$2,575

2021

$1,753 (−2.8%)

$100 + $2,475

$2,575

2020

$1,803 (+29.8%)

$100 + $2,475

$2,575

2019

$1,389

$100 + $2,475

$2,575

2018

$100 + $2,475

$2,575

2017

$100 + $2,475

$2,575

2016

$100 + $2,475

$2,575

2014

$100 + $2,800

$2,900

2013

$100 + $2,800

$2,900

2012

$100 + $2,800

$2,900

2011

$100 + $2,800

$2,900

2010

$100 + $2,800

$2,900

2009

$100 + $2,800

$2,900

2008

$100 + $2,800

$2,900

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

Property details

Exterior

Property Information
Living Sq. Ft: 741
Ground Floor Sq. Ft: 741
Building Sq. Ft: 741
Legal Description: UNIT 2H M5-1

Lot Information
# of Buildings: 1
Land Sq. Ft: 99,324
Legal Lot Number: 55
Legal Block Number: 6
School Tax District: BYRAM HILLS
Municipality Name: NORTH CASTLE
Acres: 2.2802
State Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Commercial

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 741
Stories: —
Lot Size: 2.28 acres
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Westchester County
APN: 553800A10800100060550000207

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 0.3mi

10/10

H C Crittenden Middle School

Public 6-8 • Assigned • 0.5mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 1.4mi

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

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

$486,000 – $588,000

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Nearby similar homes

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

$2,790,000

6 beds5.5 baths7,978 sq ft

20 Bessel Ln, Chappaqua, NY 10514

Listing by Houlihan Lawrence Inc.

$1,575,000

3 beds3 baths2,360 sq ft

5 Byram Brook Pl, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

$1,780,000

4 beds3.5 baths2,913 sq ft

406 Bedford Rd, Chappaqua, NY 10514

Listing by Howard Hanna Rand Realty

$5,400,000

7 beds8.5 baths11,521 sq ft

2 Hollow Ridge Rd, Armonk, NY 10504

Listing by Compass Greater NY, LLC

New listings for sale in 10504

$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

$5,895,000

6 beds6.5 baths4,653 sq ft

9 Cole Dr, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

Home values near 20 Whippoorwill Rd E

Data from public records.

Address	Redfin Estimate
27 Whippoorwill Rd E, Armonk, NY 3 Beds \| 3 Baths \| 2180 Sq. Ft.	$1,324,624
20 Whippoorwill Rd E, Armonk, NY 1 Beds \| 1.5 Baths \| 1483 Sq. Ft.	$626,187

Address	Redfin Estimate
25 Whippoorwill Rd E, Armonk, NY - Beds \| 1 Baths \| 2610 Sq. Ft.	$1,207,830
20 Whippoorwill Rd E Apartment 1C, Armonk, NY 2 Beds \| 2 Baths \| 1614 Sq. Ft.	$831,056

Address	Redfin Estimate
24 Whippoorwill Rd E, Armonk, NY 4 Beds \| 3 Baths \| 2660 Sq. Ft.	$1,360,166
20 Whippoorwill Rd E Apartment 2 K, Armonk, NY 2 Beds \| 1 Baths \| 796 Sq. Ft.	$530,838

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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 10504, NY

Sale history for 20 Whippoorwill Rd E

Tax history for 20 Whippoorwill Rd E

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 10504

Home values near 20 Whippoorwill Rd E

More real estate resources