Off Market Jan 2020 for $920K

$1,610,700

Est. refi paymentEst. refi $6,925/mo

•

4,067

sq ft

21 Limestone Rd, Armonk, NY 10504

About this home

A complete stylish renovation with terrific design choices was achieved at this spacious Armonk home with a welcoming covered front porch and circular driveway. Open concept White modern kitchen with Quartzite countertops and center island. Professional Series appliances. Hard wood floors throughout. Two sided fireplace with industrial chic reclaimed wood focus wall. House lives like a 4+ bedroom. Brand new, beautifully designed bathrooms with Kohler fixtures, Quartzite countertops. First Floor Master Bedroom and Bath. Square footage includes 1792sf finished lower level, which blends seamlessly with the first floor, complete with wood burning fireplace. Plenty of space for large gatherings and overnight guests. Full bath and powder room are also on the lower level. Walk out to stone patio. Private level yard, and plenty of parking. Move right in. Buyer pays NYS transfer tax. Additional Information: Amenities:Storage,HeatingFuel:Oil Above Ground,ParkingFeatures:2 Car Detached,

Single-familyProperty Type

1955Year Built

1.19 acresLot Size

$396Est. Price/Sq.Ft.

2 spacesParking

Listing by Grace LoBello • William Raveis Real Estate

Bought with Non Non Member-MLS • Buyer Representation Office

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #H5002428

Redfin Estimate

$1,610,700

$691K since sold in January 2020$3,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.1% lower than the average sale price ($1.75M) 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 OCT 1, 2025
$1,400,000
B
3 beds3.5 baths3,868 sq ft
36 Nichols Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD JUN 11, 2026
$1,700,000
C
3 beds3 baths4,019 sq ft
11 Skyview Dr, Armonk, NY 10504
Listing by Iconic Pros
SOLD JUL 31, 2026
$1,500,000
D
3 beds4 baths4,380 sq ft
57 Virginia Ln, Thornwood, NY 10594
Listing by Promise Realty LLC
SOLD JUL 27, 2026
$3,450,000
E
4 beds4 baths5,237 sq ft
8 N Lake Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD FEB 19, 2026
$1,268,000
F
3 beds2 baths2,484 sq ft
3 Byram Brook Pl, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.

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Earn from this home

Sell

$877,161

Est. take-home

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Refinance

Est. cash available

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Rent

$4,436/mo

Redfin rental estimate

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Market trends in 10504, NY

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.7%

+0.7% MoM

Median sale price

$1.7M

$50K MoM

Avg. days on market

17d

4 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN TODAY, 1PM TO 3PM
$999,000
3 beds2.5 baths2,500 sq ft
31 Byram Hill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
See all

Provided by Redfin

Redfin agents who toured

This ranch has been completely renovated and has a maintenance free vinyl shake and stone exterior. There is spacious open floor plan with hardwood throughout. The lot is very deep and level.
8 years ago• May not reflect the current state of the home
Steven Weiss
Redfin Premier agent

Sale history for 21 Limestone Rd

Date

Event

Price

Public Records

Jan 28, 2020

Sold

$923,680

$227/sq ft

OneKey® MLS as Distributed by MLS Grid #H5002428

Jan 23, 2020

Sold

$920,000

$226/sq ft

Nov 26, 2019

Pending

—

Sep 6, 2019

Price Changed

$945,000

$232/sq ft

Jul 24, 2019

Listed

$979,000

$241/sq ft

OneKey® MLS as Distributed by MLS Grid #H4901849

Jul 24, 2019

Listing Removed

—

May 31, 2019

Price Changed

$995,000

$245/sq ft

Mar 7, 2019

Price Changed

$999,000

$246/sq ft

Feb 5, 2019

Price Changed

$1,029,000

$253/sq ft

Jan 16, 2019

Listed

$1,059,000

$260/sq ft

OneKey® MLS as Distributed by MLS Grid #H4841414

Dec 26, 2018

Listing Removed

—

Dec 5, 2018

Price Changed

$1,059,000

$260/sq ft

Oct 8, 2018

Price Changed

$1,090,000

$268/sq ft

Sep 17, 2018

Listed

$1,175,000

$289/sq ft

Public Records

Jul 3, 1991

Sold

$304,500

$75/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$24,690 (+2.0%)

$2,700 + $19,285

$21,985

2025

$24,206 (−1.6%)

$2,700 + $19,285

$21,985

2024

$24,588 (+4.5%)

$2,700 + $19,285

$21,985

2023

$23,540 (+2.4%)

$2,700 + $19,285

$21,985

2022

$22,981 (+1.5%)

$2,700 + $19,285

$21,985

2021

$22,638 (−3.4%)

$2,700 + $19,285

$21,985

2020

$23,440 (+14.1%)

$2,700 + $20,000

$22,700

2019

$20,552

$2,700 + $20,000

$22,700

2018

$2,700 + $17,200

$19,900

2017

$2,700 + $17,200

$19,900

2016

$2,700 + $17,200

$19,900

2014

$2,700 + $17,200

$19,900

2013

$2,700 + $17,200

$19,900

2012

$2,700 + $17,200

$19,900

2011

$2,700 + $17,200

$19,900

2010

$2,700 + $17,200

$19,900

2009

$2,700 + $17,200

$19,900

2008

$2,700 + $17,200

$19,900

Tax history for 21 Limestone Rd

Year

Property tax

Land + Additions

Assessment*

2026

$24,690 (+2.0%)

$2,700 + $19,285

$21,985

2025

$24,206 (−1.6%)

$2,700 + $19,285

$21,985

2024

$24,588 (+4.5%)

$2,700 + $19,285

$21,985

2023

$23,540 (+2.4%)

$2,700 + $19,285

$21,985

2022

$22,981 (+1.5%)

$2,700 + $19,285

$21,985

2021

$22,638 (−3.4%)

$2,700 + $19,285

$21,985

2020

$23,440 (+14.1%)

$2,700 + $20,000

$22,700

2019

$20,552

$2,700 + $20,000

$22,700

2018

$2,700 + $17,200

$19,900

2017

$2,700 + $17,200

$19,900

2016

$2,700 + $17,200

$19,900

2014

$2,700 + $17,200

$19,900

2013

$2,700 + $17,200

$19,900

2012

$2,700 + $17,200

$19,900

2011

$2,700 + $17,200

$19,900

2010

$2,700 + $17,200

$19,900

2009

$2,700 + $17,200

$19,900

2008

$2,700 + $17,200

$19,900

*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

1.19 Acres

Year renovated

—

Sq. Ft.

4,067

Year built

1955

Style

Single Family Residential

County

Westchester County

APN

553800A10800300020660000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 30, 2026.

Property details

Parking

Parking Information
Parking Total: 2
Parking Features: Detached, Tandem

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 2

Heating & Cooling
Cooling: Central Air
Heating: Forced Air, Oil

Interior Features
Interior Features: Cathedral Ceiling(s),Eat-in Kitchen,First Floor Bedroom,Granite Counters,Master Downstairs,Primary Bathroom
Appliances: Dishwasher, Refrigerator, Tankless Water Heater
Flooring: Hardwood
Levels: Two
Patio And Porch Features: Deck, Patio, Porch

Room Information
Basement YN: Yes
Attic: Partially Finished,Pull Stairs
Rooms Total: 11
Basement: Finished, Full, Walk-Out Access

Bathroom Information
Bathrooms Full: 3
Bathrooms Half: 2

Exterior

Exterior Features
Construction Materials: Frame
Waterfront YN: No

Lot Information
Additional Parcels YN: No
Lot Features: Near School, Near Shops

Property Information
Stories: 2
Living Area Source: Public Records
Property Sub Type: Single Family Residence
Property Condition: Actual

Financial

Tax Information
Tax Year: 2019
Tax Source: Municipality
Tax Annual Amount: $20,552

Financial Information
Buyer Financing: Cash

Utilities

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

Location

HOA Information
Association Amenities: 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
Directions: Traveling north on Route 22, turn right on Greenwich Rd (433). Turn right on Barnard. Turn left on Nichols, follow road around to Limestone. House on left #21.
County Or Parish: Westchester County

Community Information
Community Features: Park

Public facts

Beds: —
Baths: 3.0
Sq. Ft.: 4,067
Stories: —
Lot Size: 1.19 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: —
County: Westchester County
APN: 553800A10800300020660000000

Home facts updated by county records on Jul 30, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 0.7mi

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

$1.53M – $1.85M

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Home values near 21 Limestone Rd

Data from public records.

Address	Redfin Estimate
22 Limestone Rd, Armonk, NY - Beds \| 1 Baths \| 1695 Sq. Ft.	$934,223
26 Limestone Rd, Armonk, NY - Beds \| 2 Baths \| 2110 Sq. Ft.	$1,247,007

Address	Redfin Estimate
16 Limestone Rd, Armonk, NY 3 Beds \| 2 Baths \| 1755 Sq. Ft.	$935,210
29 Limestone Rd, Armonk, NY - Beds \| 3 Baths \| 2573 Sq. Ft.	$1,010,615

Address	Redfin Estimate
13 Limestone Rd, Armonk, NY - Beds \| 1 Baths \| 1410 Sq. Ft.	$757,314
19 Limestone Rd, Armonk, NY 3 Beds \| 2 Baths \| 1524 Sq. Ft.	$791,169

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2019. 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

Redfin agents who toured

Sale history for 21 Limestone Rd

Tax history for 21 Limestone 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 21 Limestone Rd

More real estate resources