Off market mar 2026 for $4.3M

$4,790,098

Est. refi paymentEst. refi $23,384/mo

•

8,048

sq ft

21 Whippoorwill Rd, Armonk, NY 10504

About this home

Ready for occupancy early 2026. New construction underway by respected local builder on prestigious Whippoorwill Road wth a breathtaking bucolic vista from the moment you enter the home. Sited on over 2 level, usable acres, with winter reservoir views, this luxurious 5-bedroom home offers an elegant open-plan design with 10' ceilings, soaring vaulted Kitchen with premier appliances, Wine Room and Bar on first level. Four bedrooms ensuite plus bonus room upstairs include a luxe primary suite with two dressing rooms and a large primary bath with soaking tub and shower. The Library on the first floor offers opportunity for a first floor guest room. The 5th bedroom, a guest/au pair room is on the lower level. A private laundry is located on the second floor and a finished walk out lower level complete this offering. Flooring is rift and quartered white oak. Meticulous attention to detail. Located near schools, highways and the downtown Armonk and short drive to North White Plains Metro North. Preliminary pool site. Municipal water. Generator protected and elevator ready.

Single-familyProperty Type

2025Year Built

2.07 acresLot Size

$595Est. Price/Sq.Ft.

3 car garageParking

Listing by Harriet Libov • Houlihan Lawrence Inc.

Contact: 914-273-9505

Bought with Julie Leder • Compass Greater NY, LLC

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #856571

Redfin Estimate

$4,790,098

$445K since sold in March 2026$228K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 48.2% higher than the average sale price ($3.23M) of 6 comparable homes.

SOLD SEP 14, 2026
$2,875,000
A
4 beds6.5 baths7,500 sq ft
10 Hidden Oak Rd, Armonk, NY 10504
Listing by Howard Hanna Rand Realty
SOLD OCT 12, 2026
$5,100,000
B
5 beds6.5 baths10,114 sq ft
16 Wrights Mill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD AUG 17, 2026
$2,032,500
C
5 beds5.5 baths6,108 sq ft
16 Carolyn Pl, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD AUG 31, 2026
$3,600,000
D
5 beds8.5 baths7,663 sq ft
8 Ridgeview Cir, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD AUG 4, 2026
$2,486,000
E
4 beds4.5 baths6,640 sq ft
17 Byram Meadows Rd, Chappaqua, NY 10514
Listing by Compass Greater NY, LLC
SOLD OCT 9, 2026
$3,300,000
F
5 beds5.5 baths7,388 sq ft
15 Heritage Dr, Pleasantville, NY 10570
Listing by Serhant LLC

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Sell

$1,073,062

Est. take-home

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Refinance

Est. cash available

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Rent

$4,574/mo

Redfin rental estimate

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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

107.0%

+1.0% MoM

Median sale price

$2.1M

$209K MoM

Avg. days on market

23d

2 days MoM

Recently sold homes

6 MoM

New listings for sale

OPEN SUN, 11:30AM TO 1:30PM
$2,495,000
3 beds4 baths4,120 sq ft
1 Fox Ridge Ct, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
$1,375,000
4 beds2.5 baths3,164 sq ft
32 Sarles St, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
$1,585,000
3 beds2.5 baths3,094 sq ft
10 Skyview Dr, Armonk, NY 10504
Listing by Julia B Fee Sothebys Int. Rlty
$895,000
4 beds2 baths3,059 sq ft
22 Elizabeth Pl, Armonk, NY 10504
Listing by Owner Entry.com
See all

Provided by Redfin

Sale history for 21 Whippoorwill Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #856571

Mar 19, 2026

Sold

$4,345,000

$540/sq ft

Nov 18, 2025

Pending

—

Jul 19, 2025

Listed

$4,495,000

$559/sq ft

HGMLS #3310478

Mar 14, 2014

Price Changed

$5,200,000

$646/sq ft

Feb 13, 2014

Sold

$5,200,000

$646/sq ft

Feb 10, 2014

Delisted

—

Jun 27, 2013

Contingent

—

Jun 27, 2013

Price Changed

$5,350,000

$665/sq ft

Apr 10, 2013

Listed

$5,350,000

$665/sq ft

Magnificent Six Bedroom 1929 English Stone Manor House on six acres with never-ending views. 45 minutes to NYC! Tastefully renovated & decorated to exude warmth & a gracious lifestyle for entertaining or stay-at-home comfort. The property offers a beautiful competition size pool and pool house with summer kitchen offering reservoir views. Taxes and assessment will be reduced after the execution of final property sub-division. Also avail w/ 12.75AC; Guest Cottage; 4 Stable Barn & 2nd Barn.

OneKey® MLS as Distributed by MLS Grid #H3310478

Feb 13, 2014

Sold

$5,200,000

$646/sq ft

Apr 10, 2013

Listed

$5,350,000

$665/sq ft

OneKey® MLS as Distributed by MLS Grid #H3234298

Apr 8, 2013

Listing Removed

—

Dec 10, 2012

Listed

$5,750,000

$714/sq ft

OneKey® MLS as Distributed by MLS Grid #H3225074

Dec 10, 2012

Listing Removed

—

Sep 7, 2012

Listed

$7,750,000

$963/sq ft

Public Records

Jun 26, 2000

Sold

$2,900,000

$360/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$72,097 (−30.5%)

$5,400 + $87,600

$93,000

2024

$103,742 (+4.4%)

$5,400 + $87,600

$93,000

2023

$99,324 (+2.4%)

$5,400 + $87,600

$93,000

2022

$96,956 (+1.2%)

$5,400 + $87,600

$93,000

2021

$95,778 (−0.3%)

$5,400 + $87,600

$93,000

2020

$96,058

$5,400 + $87,600

$93,000

2019

$96,097

$5,400 + $87,600

$93,000

2018

$5,400 + $87,600

$93,000

2017

$5,400 + $87,600

$93,000

2016

$5,400 + $87,600

$93,000

2014

$8,800 + $90,900

$99,700

2013

$8,800 + $90,900

$99,700

Tax history for 21 Whippoorwill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$72,097 (−30.5%)

$5,400 + $87,600

$93,000

2024

$103,742 (+4.4%)

$5,400 + $87,600

$93,000

2023

$99,324 (+2.4%)

$5,400 + $87,600

$93,000

2022

$96,956 (+1.2%)

$5,400 + $87,600

$93,000

2021

$95,778 (−0.3%)

$5,400 + $87,600

$93,000

2020

$96,058

$5,400 + $87,600

$93,000

2019

$96,097

$5,400 + $87,600

$93,000

2018

$5,400 + $87,600

$93,000

2017

$5,400 + $87,600

$93,000

2016

$5,400 + $87,600

$93,000

2014

$8,800 + $90,900

$99,700

2013

$8,800 + $90,900

$99,700

*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

Stories

—

Lot width

—

Lot depth

—

Lot size

6.08 Acres

Year renovated

—

Sq. Ft.

8,942

Year built

1929

Style

Single Family Residential

County

Westchester County

APN

553800D10700400010110000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 25, 2026.

Property details

Parking

Parking Information
Carport YN: No
Parking Features: Driveway

Garage Information
Garage Spaces: 3
Has Garage

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 2

Heating & Cooling
Cooling: Central Air
Heating: Propane, Other

Interior Features
Interior Features: Beamed Ceilings,Built-in Features,Cathedral Ceiling(s),Ceiling Fan(s),Chefs Kitchen,Crown Molding,Double Vanity,Eat-in Kitchen,Formal Dining,High Ceilings,His and Hers Closets,Natural Woodwork,Open Floorplan,Other,Pantry,Primary Bathroom,Recessed Lighting,Soaking Tub,Storage,Tray Ceiling(s),Walk-In Closet(s),Wet Bar
Window Features: ENERGY STAR Qualified Windows
Laundry Features: Laundry Room
Accessibility Features: Adaptable For Elevator
Appliances: Exhaust Fan
Flooring: Hardwood
Levels: Two

Room Information
Basement YN: Yes
Attic: Walkup
Rooms Total: 14
Basement: Finished, Full, Walk-Out Access

Bathroom Information
Bathrooms Full: 6
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Advanced Framing Technique
Waterfront YN: No

Pool Information
Pool Features: Other

Lot Information
Lot Features: Level, See Remarks

Property Information
Living Area Source: Plans
Living Area (Sq. Ft.): 8048.00
Building Area Total (Sq. Ft.): 8048.00
Building Area Source: Plans
Property Sub Type: Single Family Residence
Property Condition: New Construction

Financial

Tax Information
Tax Year: 1
Tax Source: Municipality
Tax Annual Amount: $1,104.08

Financial Information
Buyer Financing: Conventional

Utilities

Utility Information
Electric Company: Con-Edison
Sewer: Septic Tank
Utilities: Propane

Location

School Information
Elementary School: Coman Hill
Elementary School District: Byram Hills
Middle Or Junior School: H C Crittenden Middle School
Middle Or Junior School District: Byram Hills
High School: Byram Hills High School
High School District: Byram Hills

Location Information
County Or Parish: Westchester County

Public facts

Beds: —
Baths: 4.0
Sq. Ft.: 8,942
Stories: —
Lot Size: 6.08 acres
Style: Single Family Residential
Year Built: 1929
Year Renovated: —
County: Westchester County
APN: 553800D10700400010110000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 1.4mi

10/10

H C Crittenden Middle School

Public 6-8 • Assigned • 1.5mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 2.5mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

$4.55M – $5.51M

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New listings for sale in 10504

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Listing by Houlihan Lawrence Inc.

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Home values near 21 Whippoorwill Rd

Data from public records.

Address	Redfin Estimate
15 Whippoorwill Road, Armonk, NY - Beds \| 3 Baths \| 3322 Sq. Ft.	$1,704,051
4 Whippoorwill Lane, Armonk, NY - Beds \| 3 Baths \| 3697 Sq. Ft.	$1,492,663

Address	Redfin Estimate
19 Whippoorwill Road, Armonk, NY - Beds \| 2 Baths \| 1918 Sq. Ft.	$1,123,501
16 Whippoorwill Road, Armonk, NY 3 Beds \| 2.5 Baths \| 3030 Sq. Ft.	$2,573,837

Address	Redfin Estimate
6 Whippoorwill Lane, Armonk, NY 4 Beds \| 3 Baths \| 3718 Sq. Ft.	$1,622,873
7 Whippoorwill Lane, Armonk, NY - Beds \| 3 Baths \| 4258 Sq. Ft.	$2,554,406

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2025. This data may not match . Learn more.

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