Off market feb 2022 for $1.4M

$2,071,791

Est. refi paymentEst. refi $11,058/mo

•

3,110

sq ft

9 Thornewood Rd, Armonk, NY 10504

About this home

Beautifully Renovated and Expanded Split Level 3 Bedroom 3.5 Bath in the Windmill Lake Association neighborhood. MEC Certificate on file, which allows for membership in the Windmill Association Clubhouse and Lake Rights. This Modern Expanded Split lives like a 4 Bedroom, with 3 Full Beautifully Renovated Marble Baths and Renovated Lower level Powder Room. The Massive Stone Fireplace and soaring ceilings in the Living Room and Open Floor Plan Chef's Kitchen and Vaulted Dining Room make Family life and Gatherings Serene and Swanky at the same time! Chef's Kitchen includes 2 Ovens, 2 Dishwashers and a huge Sub Zero Refrigerator, and Viking Cooktop with Exhaust Hood Round out this perfectly designed Kitchen. Private Yard on 2 Acres afford Wooded Vistas with a stone patio perfect for outdoor entertaining. Star $1,293 not reflected in taxes. Byram Hills Schools! Additional Information: ParkingFeatures:2 Car Attached,

Single-familyProperty Type

1959Year Built

2.19 acresLot Size

$666Est. Price/Sq.Ft.

2 spacesParking

Listing by April Gasparino • Compass Greater NY, LLC

Bought with Donna Gordon • Compass Greater NY, LLC

Bought with Cord Stahl • Compass Greater NY, LLC

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #H6153486

Redfin Estimate

$2,071,791

$623K since sold in February 2022$11K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.5% higher than the average sale price ($1.89M) of 6 comparable homes.

SOLD SEP 10, 2026
$1,900,000
A
4 beds3 baths3,594 sq ft
53 Windmill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUN 26, 2026
$1,800,000
B
4 beds4 baths3,353 sq ft
1 Fox Ridge Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD JUN 30, 2026
$2,025,000
C
4 beds3 baths3,185 sq ft
6 Spruce Holw, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD APR 17, 2026
$2,250,000
D
3 beds3.5 baths4,012 sq ft
67 Banksville Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 2, 2026
$1,625,000
E
4 beds3.5 baths3,230 sq ft
10 Woodland Ct S, Bedford, NY 10506
Listing by Houlihan Lawrence Inc.
SOLD AUG 25, 2026
$1,750,000
F
4 beds2.5 baths2,839 sq ft
40 Windmill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.

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Earn from this home

Sell

$895,785

Est. take-home

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Refinance

Est. cash available

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Rent

$4,330/mo

Redfin rental estimate

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Market trends in 10504, NY

Last updated October 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 TODAY, 12PM TO 3PM
$2,995,000
5 beds4.5 baths3,300 sq ft
12 Wampus Close, Armonk, NY 10504
Listing by William Raveis Real Estate
See all

Provided by Redfin

Sale history for 9 Thornewood Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #H6153486

Feb 15, 2022

Sold

$1,449,000

$466/sq ft

Dec 14, 2021

Pending

—

Nov 12, 2021

Listed

$1,449,000

$466/sq ft

Nov 9, 2021

Coming Soon

$1,449,000

$466/sq ft

HGMLS #4603514

Jul 11, 2016

Sold

$727,500

$234/sq ft

Jul 11, 2016

Price Changed

$727,500

$234/sq ft

May 6, 2016

Contingent

—

May 6, 2016

Price Changed

$749,000

$241/sq ft

Mar 23, 2016

Listed

$749,000

$241/sq ft

Be part of the fabulous Windmill Farm community with all its amenities. .. Spend summers swimming in the pristine Windmill Lake, playing tennis on the club courts or dining on the clubhouse terrace. This beautifully renovated home in Windmill Farm offers a lifestyle that is unmatched in Westchester. Designer Kitchen with granite and top of the line appliances, renovated Master bath with steam shower and renovated hall bath with jacuzzi. Freshly painted exterior, newly landscaped property and central air conditioning make this the perfect home to move right in and start enjoying the summer. MEC certificate included.

OneKey® MLS as Distributed by MLS Grid #H4603514

Jul 11, 2016

Sold

$727,500

$234/sq ft

Mar 23, 2016

Listed

$749,000

$241/sq ft

Be part of the fabulous Windmill Farm community with all its amenities...Spend summers swimming in the pristine Windmill Lake, playing tennis on the club courts or dining on the clubhouse terrace. This beautifully renovated home in Windmill Farm offers a lifestyle that is unmatched in Westchester. Designer Kitchen with granite and top of the line appliances, renovated Master bath with steam shower and renovated hall bath with jacuzzi. Freshly painted exterior, newly landscaped property and central air conditioning make this the perfect home to move right in and start enjoying the summer. MEC certificate included. Additional Information: ParkingFeatures:2 Car Attached,

OneKey® MLS as Distributed by MLS Grid #H4518124

Nov 11, 2015

Listing Removed

—

May 11, 2015

Listed

$799,000

$257/sq ft

Public Records

Apr 4, 1989

Sold

$375,000

$121/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$32,924 (+1.9%)

$4,100 + $24,100

$28,200

2025

$32,304 (+10.5%)

$4,100 + $24,100

$28,200

2024

$29,232 (+4.2%)

$4,100 + $24,100

$28,200

2023

$28,055 (+0.9%)

$4,100 + $20,900

$25,000

2022

$27,806 (−0.3%)

$4,100 + $20,900

$25,000

2021

$27,882 (+1.1%)

$4,100 + $20,900

$25,000

2020

$27,575 (+34.7%)

$4,100 + $20,900

$25,000

2019

$20,470

$4,100 + $20,900

$25,000

2018

$4,100 + $14,000

$18,100

2017

$4,100 + $15,000

$19,100

2016

$4,100 + $14,000

$18,100

2014

$4,100 + $11,000

$15,100

2013

$4,100 + $11,000

$15,100

Tax history for 9 Thornewood Rd

Year

Property tax

Land + Additions

Assessment*

2026

$32,924 (+1.9%)

$4,100 + $24,100

$28,200

2025

$32,304 (+10.5%)

$4,100 + $24,100

$28,200

2024

$29,232 (+4.2%)

$4,100 + $24,100

$28,200

2023

$28,055 (+0.9%)

$4,100 + $20,900

$25,000

2022

$27,806 (−0.3%)

$4,100 + $20,900

$25,000

2021

$27,882 (+1.1%)

$4,100 + $20,900

$25,000

2020

$27,575 (+34.7%)

$4,100 + $20,900

$25,000

2019

$20,470

$4,100 + $20,900

$25,000

2018

$4,100 + $14,000

$18,100

2017

$4,100 + $15,000

$19,100

2016

$4,100 + $14,000

$18,100

2014

$4,100 + $11,000

$15,100

2013

$4,100 + $11,000

$15,100

*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

2.36 Acres

Year renovated

—

Sq. Ft.

3,004

Year built

1960

Style

Single Family Residential

County

Westchester County

APN

553800A10100200040210000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 25, 2026.

Property details

Parking

Parking Information
Parking Total: 2
Parking Features: Attached, Driveway, Garage Door Opener

Interior

Heating & Cooling
Cooling: Central Air
Heating: Forced Air, Natural Gas

Interior Features
Interior Features: Cathedral Ceiling(s),Chandelier,Eat-in Kitchen,Formal Dining,Primary Bathroom,Walk-In Closet(s)
Window Features: ENERGY STAR Qualified Windows, Skylight(s)
Appliances: Convection Oven, Dishwasher, Dryer, Microwave, Refrigerator, Washer, Gas Water Heater
Flooring: Hardwood
Levels: Multi/Split, Three Or More

Room Information
Basement YN: Yes
Attic: See Remarks
Rooms Total: 12
Basement: Full, Partially Finished

Bathroom Information
Bathrooms Full: 3
Bathrooms Half: 1

Exterior

Exterior Features
Exterior Features: Balcony, Mailbox
Construction Materials: Blown-In Insulation, Frame, HardiPlank Type
Waterfront YN: Yes

Lot Information
Additional Parcels YN: No
Lot Features: Near Public Transit, Near School, Part Wooded, Sprinklers In Front, Sprinklers In Rear

Property Information
Stories: 4
Living Area Source: Other
Property Sub Type: Single Family Residence
Property Condition: Actual

Financial

Tax Information
Tax Year: 2021
Tax Source: Municipality
Tax Annual Amount: $27,490

Financial Information
Buyer Financing: Conventional

Utilities

Utility Information
Electric Company: Con-Edison
Sewer: Septic Tank
Utilities: Trash Collection Public

Location

HOA Information
Association Amenities: Clubhouse, Park

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

Location Information
Hamlet: Armonk
County Or Parish: Westchester County

Community Information
Community Features: Clubhouse, Park, Tennis Court(s)

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 3,004
Stories: —
Lot Size: 2.36 acres
Style: Single Family Residential
Year Built: 1960
Year Renovated: —
County: Westchester County
APN: 553800A10100200040210000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

K - 12
Preschool & daycare

Coman Hill School

Public K-2 • Assigned • 0.7mi

H C Crittenden Middle School

Public 6-8 • Assigned • 2.4mi

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

3/10 Fire Factor

0.15% chance of being in a wildfire in next 30 years

4/10 Heat Factor

6 days above 98° expected this year, 13 days in 30 years

6/10 Wind Factor

27% 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

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

$1.97M – $2.38M

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Home values near 9 Thornewood Rd

Data from public records.

Address	Redfin Estimate
16 Thornewood Road, Armonk, NY - Beds \| 3 Baths \| 2263 Sq. Ft.	$1,365,791
6 Thornewood Road, Armonk, NY 4 Beds \| 4.5 Baths \| 5153 Sq. Ft.	$2,647,595
3 Thornewood Road, Armonk, NY - Beds \| 3 Baths \| 3784 Sq. Ft.	$1,879,183
5 Thornewood Road, Armonk, NY - Beds \| 3 Baths \| 5053 Sq. Ft.	$2,235,365
8 Thornewood Road, Armonk, NY 5 Beds \| 3 Baths \| 3220 Sq. Ft.	$1,873,157
37 N Lake Road, Armonk, NY - Beds \| 3 Baths \| 3735 Sq. Ft.	$1,447,253
5 Fox Ridge Road, Armonk, NY - Beds \| 3 Baths \| 3475 Sq. Ft.	$1,807,180

Address	Redfin Estimate
10 Thornewood Road, Armonk, NY 3 Beds \| 3 Baths \| 2757 Sq. Ft.	$1,845,995
13 Thornewood Road, Armonk, NY 4 Beds \| 2.5 Baths \| 3591 Sq. Ft.	$1,852,061
14 Thornewood Road, Armonk, NY - Beds \| 2 Baths \| 3004 Sq. Ft.	$1,729,340
7 Thornewood Road, Armonk, NY 4 Beds \| 3 Baths \| 2607 Sq. Ft.	—
35 N Lake Road, Armonk, NY - Beds \| 2 Baths \| 3961 Sq. Ft.	$1,757,234
43 N Lake Road, Armonk, NY - Beds \| 3 Baths \| 3419 Sq. Ft.	$1,714,679
48 Windmill Road, Armonk, NY 4 Beds \| 4.5 Baths \| 4229 Sq. Ft.	$2,416,128

Address	Redfin Estimate
15 Thornewood Road, Armonk, NY - Beds \| 4 Baths \| 5029 Sq. Ft.	$2,321,388
11 Thornewood Road, Armonk, NY 4 Beds \| 4.5 Baths \| 5903 Sq. Ft.	—
12 Thornewood Road, Armonk, NY 4 Beds \| 2.5 Baths \| 3024 Sq. Ft.	$1,642,348
7 Thornewood Road, Armonk, NY 5 Beds \| 6.5 Baths \| 7031 Sq. Ft.	$4,275,418
1 Fox Ridge Road, Armonk, NY 4 Beds \| 4 Baths \| 3353 Sq. Ft.	$1,989,610
42 Windmill Road, Armonk, NY - Beds \| 2 Baths \| 3371 Sq. Ft.	$1,515,507
39 N Lake Road, Armonk, NY - Beds \| 2 Baths \| 2935 Sq. Ft.	$1,497,202

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2021. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 10504, NY

Sale history for 9 Thornewood Rd

Tax history for 9 Thornewood Rd

Public record

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 9 Thornewood Rd

More real estate resources