Google street view image for 18 Chappaqua Mountain Rd, Chappaqua, NY 10514

Off market jan 2004 for $1.2M

$2,071,954

Est. refi paymentEst. refi $6,514/mo

•

4,500

sq ft

18 Chappaqua Mountain Rd, Chappaqua, NY 10514

About this home

18 Chappaqua Mountain Rd is a 4,500 square foot house on a 1.17 acre lot with 4 bedrooms and 4.5 bathrooms. - it last sold on January 26, 2004 for $1,275,000. Based on Redfin's Chappaqua data, we estimate the home's value is $2,071,954.

Single-familyProperty Type

1956Year Built

1.17 acresLot Size

$460Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,071,954

$797K since sold in January 2004$65K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.5% higher than the average sale price ($1.88M) of 6 comparable homes.

SOLD OCT 14, 2026
$1,820,000
A
3 beds4 baths3,140 sq ft
22 Garey Dr, Chappaqua, NY 10514
Listing by William Raveis-New York, LLC
SOLD JUL 31, 2026
$1,350,000
B
3 beds3 baths3,155 sq ft
10 North Ln, Chappaqua, NY 10514
Listing by Keller Williams Realty Partner
SOLD JUN 12, 2026
$2,375,000
C
3 beds3.5 baths3,960 sq ft
24 North Way, Chappaqua, NY 10514
Listing by Douglas Elliman Real Estate
SOLD MAR 4, 2026
$2,250,000
D
3 beds4.5 baths3,880 sq ft
19 Stony Holw, Chappaqua, NY 10514
Listing by William Raveis-New York, LLC
SOLD AUG 7, 2026
$1,950,000
E
4 beds3 baths2,953 sq ft
105 Cross Rdg, Chappaqua, NY 10514
Listing by William Raveis-New York, LLC
SOLD AUG 18, 2026
$1,510,000
F
3 beds2.5 baths2,010 sq ft
100 Devoe Rd, Chappaqua, NY 10514
Listing by William Raveis-New York, LLC

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Earn from this home

Sell

$1,587,939

Est. take-home

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Refinance

Est. cash available

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Rent

$5,516/mo

Redfin rental estimate

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Market trends in 10514, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

111.3%

2.1% MoM

Median sale price

$1.6M

$140K MoM

Avg. days on market

17d

0 days MoM

Recently sold homes

6 MoM

New listings for sale

OPEN SUN, 12PM TO 2PM
$799,000
2 beds2.5 baths1,244 sq ft
13 Deer Run, Chappaqua, NY 10514
Listing by Compass Greater NY, LLC
See all

Provided by Redfin

Sale history for 18 Chappaqua Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,344 (+0.3%)

$110,000 + $65,500

$175,500

2025

$30,241 (+2.1%)

$110,000 + $65,500

$175,500

2024

$29,618 (+2.7%)

$110,000 + $65,500

$175,500

2023

$28,850 (+2.8%)

$110,000 + $65,500

$175,500

2022

$28,069 (+1.2%)

$110,000 + $65,500

$175,500

2021

$27,741 (+1.4%)

$110,000 + $65,500

$175,500

2020

$27,365 (+1.3%)

$110,000 + $65,500

$175,500

2019

$27,023

$110,000 + $65,500

$175,500

2018

$110,000 + $65,500

$175,500

2017

$110,000 + $65,500

$175,500

2016

$110,000 + $76,030

$186,030

2014

$110,000 + $76,030

$186,030

2013

$110,000 + $76,030

$186,030

2012

$110,000 + $76,030

$186,030

2011

$110,000 + $85,285

$195,285

2010

$110,000 + $85,285

$195,285

2009

$110,000 + $115,000

$225,000

2008

$110,000 + $115,000

$225,000

Tax history for 18 Chappaqua Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2026

$30,344 (+0.3%)

$110,000 + $65,500

$175,500

2025

$30,241 (+2.1%)

$110,000 + $65,500

$175,500

2024

$29,618 (+2.7%)

$110,000 + $65,500

$175,500

2023

$28,850 (+2.8%)

$110,000 + $65,500

$175,500

2022

$28,069 (+1.2%)

$110,000 + $65,500

$175,500

2021

$27,741 (+1.4%)

$110,000 + $65,500

$175,500

2020

$27,365 (+1.3%)

$110,000 + $65,500

$175,500

2019

$27,023

$110,000 + $65,500

$175,500

2018

$110,000 + $65,500

$175,500

2017

$110,000 + $65,500

$175,500

2016

$110,000 + $76,030

$186,030

2014

$110,000 + $76,030

$186,030

2013

$110,000 + $76,030

$186,030

2012

$110,000 + $76,030

$186,030

2011

$110,000 + $85,285

$195,285

2010

$110,000 + $85,285

$195,285

2009

$110,000 + $115,000

$225,000

2008

$110,000 + $115,000

$225,000

*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 Sq. Ft: 535
Basement Type: Full

Bathroom Information
# of Full Baths: 3

Heating & Cooling
Heating Type: Hot Water Steam

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Split Level
Exterior Wall: Frame Wood

Property Information
Subdivision Name: TOWN/NEW CASTLE
Living Sq. Ft: 3,240
Ground Floor Sq. Ft: 2,705
Building Sq. Ft: 3,740

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,172
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 50,303
Legal Lot Number: 8
Legal Block Number: 1
School Tax District: CHAPPAQUA
Municipality Name: NEW CASTLE
Acres: 1.1548
Zoning Code: R1
State Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Commercial

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 4.5
Sq. Ft.: 4,500
Stories: —
Parking Spaces: —
Basement: Yes
Accessible: No
Lot Size: 1.17 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: 2004
County: Westchester County
APN: 553600A09201900010080000000
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Apr 4, 2026

Around this home

Schools

K - 12
Preschool & daycare

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

Roaring Brook School

Public K-4 • 0.8mi

10/10

Robert E Bell School

Public 5-8 • 1.0mi

9/10

Horace Greeley High School

Public 9-12 • 0.9mi

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

5/10 Heat Factor

7 days above 99° expected this year, 14 days in 30 years

5/10 Wind Factor

26% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Chappaqua, NY • 10514

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

$1.97M – $2.38M

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Home values near 18 Chappaqua Mountain Rd

Data from public records.

Address	Redfin Estimate
26 Chappaqua Mountain Road, Chappaqua, NY 4 Beds \| 2 Baths \| 3053 Sq. Ft.	$1,317,769
22 Chappaqua Mountain Road, Chappaqua, NY 3 Beds \| 3 Baths \| 4713 Sq. Ft.	$2,383,563
35 Chappaqua Mountain Road, Chappaqua, NY 4 Beds \| 3 Baths \| 1895 Sq. Ft.	$1,274,458
5 Mountain Peak Road, Chappaqua, NY 4 Beds \| 2.5 Baths \| 2869 Sq. Ft.	$1,592,803
77 Commodore Road, Chappaqua, NY 3 Beds \| 3 Baths \| 3467 Sq. Ft.	$2,186,191
56 Commodore Road, Chappaqua, NY 6 Beds \| 3 Baths \| 4301 Sq. Ft.	$1,707,146
361 Quaker Road, Chappaqua, NY 4 Beds \| 3 Baths \| 2533 Sq. Ft.	$1,478,642

Address	Redfin Estimate
2 Chappaqua Mountain Road, Chappaqua, NY 3 Beds \| 3 Baths \| 2945 Sq. Ft.	$1,584,502
14 Chappaqua Mountain Road, Chappaqua, NY 3 Beds \| 3 Baths \| 2426 Sq. Ft.	$1,375,108
9 Chappaqua Mountain Road, Chappaqua, NY 5 Beds \| 4.5 Baths \| 4114 Sq. Ft.	$1,873,109
6 Mountain Peak Road, Chappaqua, NY 4 Beds \| 2.5 Baths \| 2690 Sq. Ft.	$1,504,707
57 Commodore Road, Chappaqua, NY 4 Beds \| 3.5 Baths \| 4246 Sq. Ft.	$1,971,174
71 Commodore Road, Chappaqua, NY 3 Beds \| 2 Baths \| 1957 Sq. Ft.	$1,556,022
359 Quaker Road, Chappaqua, NY 4 Beds \| 3.5 Baths \| 2778 Sq. Ft.	$1,666,492

Address	Redfin Estimate
19 Chappaqua Mountain Road, Chappaqua, NY 4 Beds \| 3 Baths \| 2153 Sq. Ft.	$1,392,019
30 Chappaqua Mountain Road, Chappaqua, NY 4 Beds \| 2.5 Baths \| 2505 Sq. Ft.	$1,427,978
21 Chappaqua Mountain Road, Chappaqua, NY 4 Beds \| 2.5 Baths \| 2353 Sq. Ft.	$1,592,608
49 Commodore Road, Chappaqua, NY 3 Beds \| 3 Baths \| 2591 Sq. Ft.	$1,248,887
45 Commodore Road, Chappaqua, NY 6 Beds \| 4 Baths \| 3359 Sq. Ft.	$2,500,963
105 Cross Ridge Road, Chappaqua, NY 4 Beds \| 3 Baths \| 2953 Sq. Ft.	$1,852,428
60 Commodore Road, Chappaqua, NY 4 Beds \| 3 Baths \| 3368 Sq. Ft.	$1,662,508

This data may not show owner updates. Learn more.

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