Off market oct 2020 for $975K

$1,553,449

Est. refi paymentEst. refi $4,429/mo

•

2,700

sq ft

23 Thornewood Rd, Armonk, NY 10504

About this home

Adirondack style in the fabulous community of Windmill Farm with complete privacy. Lives like a 4 bedroom home and updated to perfection since 2017. Barn wood beams and hemlock planks on the vaulted ceiling create the rustic decor in this stunning, light filled, move in ready country home. The inviting exterior boasts a screened porch, new flagstone patio and Trex and Brazilian teak deck. Landscaped with specimen plants and trees and a two tier river rock wall with a perennial garden. Anderson windows, new appliances, 20 kw full house generator. Conveniently located near Rt 684, White Plains airport, Metro North commute from N. White Plains and less than 40 miles from midtown NYC. Eligible for MEC to Windmill Club in the neighborhood for swimming, boating and tennis. Additional Information: ParkingFeatures:2 Car Detached,

Single-familyProperty Type

1959Year Built

1.52 acresLot Size

$575Est. Price/Sq.Ft.

2 spacesParking

Listing by Harriet Libov • Houlihan Lawrence Inc.

Listing by Angela Kessel • Houlihan Lawrence Inc.

Bought with Dana Bieff • Houlihan Lawrence Inc.

Redfin checked: a minute ago

•Source:OneKey® MLS as Distributed by MLS Grid #H6062040

Redfin Estimate

$1,553,449

$578K since sold in October 2020$23K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.4% lower than the average sale price ($1.75M) of 6 comparable homes.

SOLD AUG 25, 2026
$1,750,000
A
4 beds2.5 baths2,839 sq ft
40 Windmill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 10, 2026
$1,900,000
B
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
C
4 beds4 baths3,353 sq ft
1 Fox Ridge Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD AUG 5, 2026
$1,452,725
D
4 beds3.5 baths3,117 sq ft
35 Woodcrest Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 11, 2026
$2,062,125
E
4 beds3.5 baths3,014 sq ft
17 Byram Lake Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD FEB 11, 2026
$1,550,000
F
3 beds3 baths3,049 sq ft
39 Banksville Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC

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Earn from this home

Sell

$775,196

Est. take-home

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Refinance

Est. cash available

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Rent

$4,281/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

COMING SOON
$2,495,000
3 beds4 baths4,120 sq ft
1 Fox Ridge Ct, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
COMING SOON
$1,585,000
3 beds2.5 baths3,094 sq ft
10 Skyview Dr, Armonk, NY 10504
Listing by Julia B Fee Sothebys Int. Rlty
$2,495,000
4 beds4.5 baths5,072 sq ft
13 Sniffen Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
$2,250,000
5 beds4 baths4,620 sq ft
4 Stone Hollow Way, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
See all

Provided by Redfin

Sale history for 23 Thornewood Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #H6062040

Oct 19, 2020

Sold

$975,000

$361/sq ft

Aug 13, 2020

Listed

$995,000

$369/sq ft

HGMLS #4531652

Jan 20, 2016

Sold

$650,000

$241/sq ft

Jan 20, 2016

Price Changed

$650,000

$241/sq ft

Nov 22, 2015

Contingent

—

Nov 21, 2015

Price Changed

$675,000

$250/sq ft

Sep 21, 2015

Price Changed

$675,000

$250/sq ft

Aug 10, 2015

Price Changed

$695,000

$257/sq ft

Jul 7, 2015

Listed

$749,000

$277/sq ft

OneKey® MLS as Distributed by MLS Grid #H4531652

Jan 20, 2016

Sold

$650,000

$241/sq ft

Jul 7, 2015

Listed

$675,000

$250/sq ft

Public Records

Jul 24, 1984

Sold

$215,000

$80/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$20,939 (+1.9%)

$3,500 + $14,000

$17,500

2025

$20,554 (−1.5%)

$3,500 + $14,000

$17,500

2024

$20,866 (+4.1%)

$3,500 + $14,000

$17,500

2023

$20,045 (+0.3%)

$3,500 + $14,000

$17,500

2022

$19,987 (+3.5%)

$3,500 + $14,000

$17,500

2021

$19,316 (+6.7%)

$3,500 + $14,000

$17,500

2020

$18,101

$3,500 + $13,400

$16,900

2019

$18,100

$3,500 + $12,300

$15,800

2018

$3,500 + $12,300

$15,800

2017

$3,500 + $12,300

$15,800

2016

$3,500 + $12,300

$15,800

2014

$3,500 + $12,300

$15,800

2013

$3,500 + $12,300

$15,800

2012

$3,500 + $12,300

$15,800

2011

$3,500 + $12,300

$15,800

2010

$3,500 + $12,300

$15,800

2009

$3,500 + $12,300

$15,800

2008

$3,500 + $12,300

$15,800

Tax history for 23 Thornewood Rd

Year

Property tax

Land + Additions

Assessment*

2026

$20,939 (+1.9%)

$3,500 + $14,000

$17,500

2025

$20,554 (−1.5%)

$3,500 + $14,000

$17,500

2024

$20,866 (+4.1%)

$3,500 + $14,000

$17,500

2023

$20,045 (+0.3%)

$3,500 + $14,000

$17,500

2022

$19,987 (+3.5%)

$3,500 + $14,000

$17,500

2021

$19,316 (+6.7%)

$3,500 + $14,000

$17,500

2020

$18,101

$3,500 + $13,400

$16,900

2019

$18,100

$3,500 + $12,300

$15,800

2018

$3,500 + $12,300

$15,800

2017

$3,500 + $12,300

$15,800

2016

$3,500 + $12,300

$15,800

2014

$3,500 + $12,300

$15,800

2013

$3,500 + $12,300

$15,800

2012

$3,500 + $12,300

$15,800

2011

$3,500 + $12,300

$15,800

2010

$3,500 + $12,300

$15,800

2009

$3,500 + $12,300

$15,800

2008

$3,500 + $12,300

$15,800

*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

1.57 Acres

Year renovated

—

Sq. Ft.

2,700

Year built

1959

Style

Single Family Residential

County

Westchester County

APN

553800A10200100010740000000

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: Detached

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 1

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

Interior Features
Interior Features: Cathedral Ceiling(s),Master Downstairs,Primary Bathroom,Walk-In Closet(s)
Laundry Features: Inside
Appliances: Electric Water Heater
Levels: Multi/Split, Three Or More
Patio And Porch Features: Deck, Patio, Porch

Room Information
Basement YN: Yes
Attic: Partial,Pull Stairs
Rooms Total: 8
Basement: Crawl Space

Bathroom Information
Bathrooms Full: 3
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Frame, Wood Siding
Waterfront YN: No

Lot Information
Lot Features: Part Wooded

Property Information
Stories: 3
Living Area Source: Public Records
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Year: 2019
Tax Source: Municipality
Tax Annual Amount: $17,061

Financial Information
Buyer Financing: Cash

Utilities

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

Location

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

Location Information
Hamlet: Armonk
Directions: Windmill Road to Thornewood Road, #23 on left side of street
County Or Parish: Westchester County

Public facts

Beds: —
Baths: 4.0
Sq. Ft.: 2,700
Stories: —
Lot Size: 1.57 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: —
County: Westchester County
APN: 553800A10200100010740000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Coman Hill School

Public K-2 • Assigned • 1.0mi

H C Crittenden Middle School

Public 6-8 • Assigned • 2.7mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 1.7mi

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

7 days above 98° expected this year, 14 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

$1.48M – $1.79M

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Home values near 23 Thornewood Rd

Data from public records.

Address	Redfin Estimate
19 Thornewood Road, Armonk, NY - Beds \| 4 Baths \| 4789 Sq. Ft.	$1,422,746
24 Thornewood Road, Armonk, NY - Beds \| 2 Baths \| 1999 Sq. Ft.	$1,129,979

Address	Redfin Estimate
29 Thornewood Road, Armonk, NY - Beds \| 2 Baths \| 1936 Sq. Ft.	$1,088,172
28 Thornewood Road, Armonk, NY - Beds \| 2 Baths \| 1768 Sq. Ft.	$1,117,637

Address	Redfin Estimate
18 Thornewood Road, Armonk, NY - Beds \| 2 Baths \| 2198 Sq. Ft.	$1,110,811
15 Thornewood Road, Armonk, NY - Beds \| 4 Baths \| 5029 Sq. Ft.	$2,312,566

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2020. This data may not match . Learn more.

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