Google street view image for 20 Limestone Rd, Armonk, NY 10504

Off market apr 1993 for $269K

$1,322,020

Est. refi paymentEst. refi $2,106/mo

—

•

3 ba

•

2,659

sq ft

20 Limestone Rd, Armonk, NY 10504

About this home

20 Limestone Rd is a 2,659 square foot house on a 0.96 acre lot with 3 bathrooms. - it last sold on April 15, 1993 for $269,000. Based on Redfin's Armonk data, we estimate the home's value is $1,322,020.

Single-familyProperty Type

1948Year Built

0.96 acresLot Size

$497Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,322,020

$1.1M since sold in April 1993$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% lower than the average sale price ($1.41M) of 6 comparable homes.

SOLD JUL 24, 2026
$1,200,000
A
3 beds3 baths2,430 sq ft
4 Half Mile Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD JUN 29, 2026
$1,220,000
B
4 beds3 baths2,298 sq ft
29 Glendale Ave, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD OCT 6, 2026
$965,000
C
3 beds2.5 baths1,557 sq ft
15 Maryland Ave, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD FEB 19, 2026
$1,268,000
D
3 beds2 baths2,484 sq ft
3 Byram Brook Pl, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD AUG 25, 2026
$1,750,000
E
4 beds2.5 baths2,839 sq ft
40 Windmill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 11, 2026
$2,062,125
F
4 beds3.5 baths3,014 sq ft
17 Byram Lake Rd, Armonk, NY 10504
Listing by William Raveis Real Estate

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Earn from this home

Sell

$1,244,051

Est. take-home

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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

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 THU, 11AM TO 4PM
$895,000
4 beds2 baths3,059 sq ft
22 Elizabeth Pl, Armonk, NY 10504
Listing by Owner Entry.com
COMING SOON
$1,375,000
4 beds2.5 baths3,164 sq ft
32 Sarles St, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
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
OPEN SAT, 12PM TO 1:30PM
$2,495,000
4 beds4.5 baths5,072 sq ft
13 Sniffen Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
See all

Provided by Redfin

Sale history for 20 Limestone Rd

Year

Property tax

Land + Additions

Assessment*

2026

$20,630 (+2.0%)

$2,700 + $15,670

$18,370

2025

$20,226 (−1.6%)

$2,700 + $15,670

$18,370

2024

$20,545 (+4.5%)

$2,700 + $15,670

$18,370

2023

$19,670 (+2.4%)

$2,700 + $15,670

$18,370

2022

$19,202 (+1.5%)

$2,700 + $15,670

$18,370

2021

$18,915 (−0.3%)

$2,700 + $15,670

$18,370

2020

$18,969

$2,700 + $15,670

$18,370

2019

$18,972

$2,700 + $15,670

$18,370

2018

$2,700 + $15,670

$18,370

2017

$2,700 + $15,670

$18,370

2016

$2,700 + $15,670

$18,370

2014

$2,700 + $16,600

$19,300

2013

$2,700 + $16,600

$19,300

2012

$2,700 + $16,600

$19,300

2011

$2,700 + $16,600

$19,300

2010

$2,700 + $16,600

$19,300

2009

$2,700 + $16,600

$19,300

2008

$2,700 + $16,600

$19,300

Tax history for 20 Limestone Rd

Year

Property tax

Land + Additions

Assessment*

2026

$20,630 (+2.0%)

$2,700 + $15,670

$18,370

2025

$20,226 (−1.6%)

$2,700 + $15,670

$18,370

2024

$20,545 (+4.5%)

$2,700 + $15,670

$18,370

2023

$19,670 (+2.4%)

$2,700 + $15,670

$18,370

2022

$19,202 (+1.5%)

$2,700 + $15,670

$18,370

2021

$18,915 (−0.3%)

$2,700 + $15,670

$18,370

2020

$18,969

$2,700 + $15,670

$18,370

2019

$18,972

$2,700 + $15,670

$18,370

2018

$2,700 + $15,670

$18,370

2017

$2,700 + $15,670

$18,370

2016

$2,700 + $15,670

$18,370

2014

$2,700 + $16,600

$19,300

2013

$2,700 + $16,600

$19,300

2012

$2,700 + $16,600

$19,300

2011

$2,700 + $16,600

$19,300

2010

$2,700 + $16,600

$19,300

2009

$2,700 + $16,600

$19,300

2008

$2,700 + $16,600

$19,300

*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: 3

Heating & Cooling
Air Conditioning Type: Central

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average

Property Information
Subdivision Name: SECTION 108 03
Living Sq. Ft: 2,659
Ground Floor Sq. Ft: 2,659
Building Sq. Ft: 3,159
Legal Description: M9

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 500
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 41,644
Legal Lot Number: 48
Legal Block Number: 2
School Tax District: BYRAM HILLS
Municipality Name: NORTH CASTLE
Acres: 0.956
State Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Private

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 2,659
Stories: —
Lot Size: 0.96 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: —
County: Westchester County
APN: 553800A10800300020480000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 0.8mi

10/10

H C Crittenden Middle School

Public 6-8 • Assigned • 0.6mi

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

0.31% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° 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

$1.26M – $1.52M

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Nearby similar homes

OPEN THU, 11AM TO 4PM

$895,000

4 beds2 baths3,059 sq ft

22 Elizabeth Pl, Armonk, NY 10504

Listing by Owner Entry.com

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1 bed2 baths— sq ft

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Listing by Coldwell Banker Realty

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4 Cowdray Park Dr, Armonk, NY 10504

OPEN SAT, 12PM TO 1:30PM

$2,495,000

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13 Sniffen 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

$6,790,000

7 beds8 baths14,066 sq ft

4 Cowdray Park Dr, Armonk, NY 10504

Listing by Sotheby's International Realty

New listings for sale in 10504

OPEN THU, 11AM TO 4PM

$895,000

4 beds2 baths3,059 sq ft

22 Elizabeth Pl, Armonk, NY 10504

Listing by Owner Entry.com

COMING SOON

$1,375,000

4 beds2.5 baths3,164 sq ft

32 Sarles St, Armonk, NY 10504

Listing by Houlihan Lawrence Inc.

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

OPEN SAT, 12PM TO 1:30PM

$2,495,000

4 beds4.5 baths5,072 sq ft

13 Sniffen Rd, Armonk, NY 10504

Listing by William Raveis Real Estate

Home values near 20 Limestone Rd

Data from public records.

Address	Redfin Estimate
22 Limestone Road, Armonk, NY - Beds \| 1 Baths \| 1695 Sq. Ft.	$984,278
26 Limestone Road, Armonk, NY - Beds \| 2 Baths \| 2110 Sq. Ft.	$1,228,679

Address	Redfin Estimate
16 Limestone Road, Armonk, NY 3 Beds \| 2 Baths \| 1755 Sq. Ft.	$947,383
29 Limestone Road, Armonk, NY - Beds \| 3 Baths \| 2573 Sq. Ft.	$967,874

Address	Redfin Estimate
13 Limestone Road, Armonk, NY - Beds \| 1 Baths \| 1410 Sq. Ft.	$744,463
19 Limestone Road, Armonk, NY 3 Beds \| 2 Baths \| 1524 Sq. Ft.	$802,721

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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 Limestone Rd

Tax history for 20 Limestone Rd

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 Limestone Rd

More real estate resources