Google street view image for 340 Armonk Rd, Mount Kisco, NY 10549

Off market aug 2003 for $2M

$3,094,751

Est. refi paymentEst. refi $11,640/mo

•

6 ba

•

6,200

sq ft

340 Armonk Rd, Mount Kisco, NY 10549

About this home

340 Armonk Rd is a 6,200 square foot house on a 17.49 acre lot with 8 bedrooms and 6 bathrooms. - it last sold on August 12, 2003 for $2,035,000. Based on Redfin's Mount Kisco data, we estimate the home's value is $3,094,751.

Single-familyProperty Type

1936Year Built

17.49 acresLot Size

$499Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,094,751

$1.1M since sold in August 2003$408K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 25% higher than the average sale price ($2.48M) of 6 comparable homes.

SOLD AUG 17, 2026
$2,032,500
A
5 beds5.5 baths6,108 sq ft
16 Carolyn Pl, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD OCT 29, 2025
$2,000,000
B
6 beds5 baths5,234 sq ft
50 Overlook Dr, Chappaqua, NY 10514
Listing by Houlihan Lawrence Inc.
SOLD JUL 14, 2026
$2,500,000
C
4 beds4.5 baths5,012 sq ft
15 Haights Cross Rd, Chappaqua, NY 10514
Listing by Julia B Fee Sothebys Int. Rlty
SOLD SEP 2, 2026
$4,600,000
D
5 beds6 baths6,928 sq ft
18 Oregon Rd, Bedford Corners, NY 10549
Listing by Houlihan Lawrence Inc.
SOLD SEP 23, 2026
$1,188,000
E
4 beds2.5 baths3,953 sq ft
11 Kitchel Rd, Mount Kisco, NY 10549
Listing by William Raveis-New York, LLC
SOLD AUG 3, 2026
$2,530,000
F
6 beds5 baths5,811 sq ft
17 Wampus Lake Dr, Armonk, NY 10504
Listing by Compass Greater NY, LLC

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Earn from this home

Sell

$2,358,028

Est. take-home

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Est. cash available

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Rent

$5,359/mo

Redfin rental estimate

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Market trends in 10549, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.3%

0.2% MoM

Median sale price

$780K

$337 MoM

Avg. days on market

23d

2 days MoM

Recently sold homes

9 MoM

New listings for sale

COMING SOON
$1,799,000
4 beds3.5 baths4,404 sq ft
38 Sands St, Mount Kisco, NY 10549
Listing by William Raveis-New York LLC
$959,000
3 beds2 baths1,581 sq ft
10 Horseshoe Rd, Mount Kisco, NY 10549
Listing by Houlihan Lawrence Inc.
$4,900,000
5 beds6.5 baths7,213 sq ft
496 Haines Rd, Bedford Corners, NY 10549
Listing by Compass Greater NY, LLC
$1,249,000
3 beds3.5 baths3,552 sq ft
34 Old Town Xing, Mount Kisco, NY 10549
Listing by William Raveis-New York LLC
$599,000
2 beds2.5 baths1,268 sq ft
50 Park Dr, Mount Kisco, NY 10549
Listing by Coldwell Banker Realty
$495,000
2 beds2 baths1,107 sq ft
311 Sutton Dr #311, Mount Kisco, NY 10549
Listing by Blue Crescent Realty LLC
$529,000
2 beds2 baths1,115 sq ft
300 Woodcrest Ln #329, Mount Kisco, NY 10549
Listing by William Raveis-New York, LLC
$159,999
1 bed1 bath750 sq ft
60 Barker St #614, Mount Kisco, NY 10549
Listing by Berkshire Hathaway HS NY Prop
$899,000
3 beds2.5 baths2,580 sq ft
116 Stanwood Rd, Bedford Corners, NY 10549
Listing by Compass Greater NY, LLC
3D WALKTHROUGH
$950,000
3 beds1.5 baths1,952 sq ft
109 Pines Bridge Rd, Bedford Corners, NY 10549
Listing by McGrath Realty Inc
See all

Provided by Redfin

Sale history for 340 Armonk Rd

Year

Property tax

Land + Additions

Assessment*

2026

$59,644 (+0.2%)

$93,500 + $266,500

$360,000

2025

$59,519 (+1.9%)

$93,500 + $266,500

$360,000

2024

$58,416 (+2.4%)

$93,500 + $266,500

$360,000

2023

$57,030 (+2.3%)

$93,500 + $266,500

$360,000

2022

$55,774 (+1.0%)

$93,500 + $266,500

$360,000

2021

$55,241 (+1.6%)

$93,500 + $266,500

$360,000

2020

$54,374 (+1.4%)

$93,500 + $266,500

$360,000

2019

$53,642

$93,500 + $266,500

$360,000

2018

$93,500 + $266,500

$360,000

2017

$93,500 + $266,500

$360,000

2016

$93,500 + $266,500

$360,000

2014

$93,500 + $266,500

$360,000

2013

$93,500 + $266,500

$360,000

2012

$93,500 + $266,500

$360,000

2011

$93,500 + $266,500

$360,000

2010

$93,500 + $266,500

$360,000

2009

$93,500 + $266,500

$360,000

2008

$93,500 + $266,500

$360,000

Tax history for 340 Armonk Rd

Year

Property tax

Land + Additions

Assessment*

2026

$59,644 (+0.2%)

$93,500 + $266,500

$360,000

2025

$59,519 (+1.9%)

$93,500 + $266,500

$360,000

2024

$58,416 (+2.4%)

$93,500 + $266,500

$360,000

2023

$57,030 (+2.3%)

$93,500 + $266,500

$360,000

2022

$55,774 (+1.0%)

$93,500 + $266,500

$360,000

2021

$55,241 (+1.6%)

$93,500 + $266,500

$360,000

2020

$54,374 (+1.4%)

$93,500 + $266,500

$360,000

2019

$53,642

$93,500 + $266,500

$360,000

2018

$93,500 + $266,500

$360,000

2017

$93,500 + $266,500

$360,000

2016

$93,500 + $266,500

$360,000

2014

$93,500 + $266,500

$360,000

2013

$93,500 + $266,500

$360,000

2012

$93,500 + $266,500

$360,000

2011

$93,500 + $266,500

$360,000

2010

$93,500 + $266,500

$360,000

2009

$93,500 + $266,500

$360,000

2008

$93,500 + $266,500

$360,000

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Type: Partial

Bathroom Information
# of Full Baths: 6

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Hot Air

Fireplace Information
# of Fireplaces: 6
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Mansion
Exterior Wall: Stucco

Property Information
Subdivision Name: SECTION 9319
Living Sq. Ft: 6,200
Ground Floor Sq. Ft: 2,921
Building Sq. Ft: 6,700

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,010
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 762,057
Legal Lot Number: 1
Legal Block Number: 1
School Tax District: CHAPPAQUA
Municipality Name: NEW CASTLE
Acres: 17.4944
Zoning Code: R-2A
State Use Description: ESTATE

Utility Information
Water Service Type: Private

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 8
Baths: 6.0
Sq. Ft.: 6,200
Stories: —
Lot Size: 17.49 acres
Style: Single Family Residential
Year Built: 1936
Year Renovated: —
County: Westchester County
APN: 553600A09301900010010000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Some nearby schools may not be within this home's attendance zone. Please check the Chappaqua Central School District website to verify.

Douglas G Grafflin School

Public PreK-4 • 1.7mi

10/10

Robert E Bell School

Public 5-8 • 2.2mi

9/10

Horace Greeley High School

Public 9-12 • 1.3mi

10/10

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 98° expected this year, 14 days in 30 years

5/10 Wind Factor

24% 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

Mount Kisco, NY • 10549

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 4.2 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.94M – $3.56M

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Nearby similar homes

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4 beds2 baths1,200 sq ft

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Listing by Compass Greater NY, LLC

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Land— sq ft

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New listings for sale in 10549

COMING SOON

$1,799,000

4 beds3.5 baths4,404 sq ft

38 Sands St, Mount Kisco, NY 10549

Listing by William Raveis-New York LLC

$959,000

3 beds2 baths1,581 sq ft

10 Horseshoe Rd, Mount Kisco, NY 10549

Listing by Houlihan Lawrence Inc.

$4,900,000

5 beds6.5 baths7,213 sq ft

496 Haines Rd, Bedford Corners, NY 10549

Listing by Compass Greater NY, LLC

$1,249,000

3 beds3.5 baths3,552 sq ft

34 Old Town Xing, Mount Kisco, NY 10549

Listing by William Raveis-New York LLC

$599,000

2 beds2.5 baths1,268 sq ft

50 Park Dr, Mount Kisco, NY 10549

Listing by Coldwell Banker Realty

$495,000

2 beds2 baths1,107 sq ft

311 Sutton Dr #311, Mount Kisco, NY 10549

Listing by Blue Crescent Realty LLC

$529,000

2 beds2 baths1,115 sq ft

300 Woodcrest Ln #329, Mount Kisco, NY 10549

Listing by William Raveis-New York, LLC

$159,999

1 bed1 bath750 sq ft

60 Barker St #614, Mount Kisco, NY 10549

Listing by Berkshire Hathaway HS NY Prop

$899,000

3 beds2.5 baths2,580 sq ft

116 Stanwood Rd, Bedford Corners, NY 10549

Listing by Compass Greater NY, LLC

Home values near 340 Armonk Rd

Data from public records.

Address	Redfin Estimate
743 Armonk Rd, Mount Kisco, NY 3 Beds \| 1 Baths \| 1540 Sq. Ft.	$941,181
741 Armonk Rd, Mount Kisco, NY 1 Beds \| 1 Baths \| 2220 Sq. Ft.	$781,729

Address	Redfin Estimate
330 Armonk Rd, Mount Kisco, NY 3 Beds \| 3 Baths \| 3064 Sq. Ft.	$1,045,068
442 Armonk Rd, Mt Kisco, NY 3 Beds \| 3.5 Baths \| 2590 Sq. Ft.	$1,924,148

Address	Redfin Estimate
230 Armonk Rd, Mount Kisco, NY 4 Beds \| 2 Baths \| 4062 Sq. Ft.	$1,406,340
336 Armonk Rd, Mount Kisco, NY 2 Beds \| 1 Baths \| 682 Sq. Ft.	$522,915

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