Google street view image for 39 Middle Patent Rd, Armonk, NY 10504

Off market sep 2020 for $850K

$1,526,630

Est. refi paymentEst. refi $6,555/mo

—

•

2 ba

•

2,638

sq ft

39 Middle Patent Rd, Armonk, NY 10504

About this home

39 Middle Patent Rd is a 2,638 square foot house on a 1.61 acre lot with 2 bathrooms. - it last sold on September 25, 2020 for $850,000. Based on Redfin's Armonk data, we estimate the home's value is $1,526,630.

Single-familyProperty Type

1961Year Built

1.61 acresLot Size

$579Est. Price/Sq.Ft.

2 spacesParking

Source:Public Records

Redfin Estimate

$1,526,630

$677K since sold in September 2020$9,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.3% lower than the average sale price ($1.72M) 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 4, 2026
$1,600,000
B
4 beds2.5 baths2,865 sq ft
6 Birch Grove Dr, Armonk, NY 10504
Listing by William Raveis-New York, LLC
SOLD SEP 10, 2026
$1,900,000
C
4 beds3 baths3,594 sq ft
53 Windmill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUN 30, 2026
$2,025,000
D
4 beds3 baths3,185 sq ft
6 Spruce Holw, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUL 14, 2026
$1,250,000
E
4 beds2.5 baths2,496 sq ft
72 Brett Ln, Bedford, NY 10506
Listing by Compass Greater NY, LLC
SOLD JUN 26, 2026
$1,800,000
F
4 beds4 baths3,353 sq ft
1 Fox Ridge Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.

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Earn from this home

Sell

$837,917

Est. take-home

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Est. cash available

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Rent

$3,559/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

105.9%

+0.1% MoM

Median sale price

$1.9M

$153K MoM

Avg. days on market

21d

4 days MoM

Recently sold homes

4 MoM

New listings for sale

$2,495,000
4 beds4.5 baths5,072 sq ft
13 Sniffen Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
OPEN SUN, 1PM TO 4PM
$2,250,000
5 beds4 baths4,620 sq ft
4 Stone Hollow Way, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
$3,895,000
6 beds6.5 baths4,653 sq ft
9 Cole Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
$2,400,000
4 beds5.5 baths5,139 sq ft
10 Cider Mill Cir, Armonk, NY 10504
Listing by William Raveis Real Estate
VIDEO TOUR
$2,995,000
5 beds6.5 baths7,141 sq ft
37 Sarles St, Armonk, NY 10504
Listing by Serhant LLC
OPEN TODAY, 11AM TO 12:30PM
$1,499,000
3 beds2.5 baths3,544 sq ft
115 Whippoorwill 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
See all

Provided by Redfin

Sale history for 39 Middle Patent Rd

Year

Property tax

Land + Additions

Assessment*

2026

$22,171 (+1.9%)

$3,700 + $14,900

$18,600

2025

$21,762 (−1.5%)

$3,700 + $14,900

$18,600

2024

$22,093 (+4.1%)

$3,700 + $14,900

$18,600

2023

$21,220 (+0.4%)

$3,700 + $14,900

$18,600

2022

$21,134 (+6.2%)

$3,700 + $14,900

$18,600

2021

$19,892 (+6.5%)

$3,700 + $14,900

$18,600

2020

$18,682 (+0.2%)

$3,700 + $13,900

$17,600

2019

$18,651

$3,700 + $13,900

$17,600

2018

$3,700 + $13,900

$17,600

2017

$3,700 + $13,900

$17,600

2016

$3,700 + $13,900

$17,600

2014

$3,700 + $13,900

$17,600

2013

$3,700 + $13,900

$17,600

2012

$3,700 + $13,900

$17,600

2011

$3,700 + $13,900

$17,600

2010

$3,700 + $13,900

$17,600

2009

$3,700 + $13,900

$17,600

2008

$3,700 + $13,900

$17,600

Tax history for 39 Middle Patent Rd

Year

Property tax

Land + Additions

Assessment*

2026

$22,171 (+1.9%)

$3,700 + $14,900

$18,600

2025

$21,762 (−1.5%)

$3,700 + $14,900

$18,600

2024

$22,093 (+4.1%)

$3,700 + $14,900

$18,600

2023

$21,220 (+0.4%)

$3,700 + $14,900

$18,600

2022

$21,134 (+6.2%)

$3,700 + $14,900

$18,600

2021

$19,892 (+6.5%)

$3,700 + $14,900

$18,600

2020

$18,682 (+0.2%)

$3,700 + $13,900

$17,600

2019

$18,651

$3,700 + $13,900

$17,600

2018

$3,700 + $13,900

$17,600

2017

$3,700 + $13,900

$17,600

2016

$3,700 + $13,900

$17,600

2014

$3,700 + $13,900

$17,600

2013

$3,700 + $13,900

$17,600

2012

$3,700 + $13,900

$17,600

2011

$3,700 + $13,900

$17,600

2010

$3,700 + $13,900

$17,600

2009

$3,700 + $13,900

$17,600

2008

$3,700 + $13,900

$17,600

*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: 2

Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Oil

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Exterior Wall: Wood Siding

Property Information
Subdivision Name: SECTION 10201
Living Sq. Ft: 2,638
Ground Floor Sq. Ft: 2,638
Building Sq. Ft: 3,138
Legal Description: M6G

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

Lot Information
# of Buildings: 1
Land Sq. Ft: 70,078
Legal Lot Number: 15
Legal Block Number: 1
School Tax District: BYRAM HILLS
Municipality Name: NORTH CASTLE
Acres: 1.6088
Zoning Code: 02
State Use Description: SINGLE FAMILY RESID

Utility Information
Sewer Type: Private
Water Service Type: Commercial

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: 2.0
Sq. Ft.: 2,638
Stories: —
Lot Size: 1.61 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: —
County: Westchester County
APN: 553800A10200100010150000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Coman Hill School

Public K-2 • Assigned • 1.2mi

H C Crittenden Middle School

Public 6-8 • Assigned • 2.8mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 1.8mi

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

$1.45M – $1.76M

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Nearby similar homes

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$2,495,000

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13 Sniffen Rd, Armonk, NY 10504

Listing by William Raveis Real Estate

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4 beds5.5 baths5,139 sq ft

10 Cider Mill Cir, Armonk, NY 10504

Listing by William Raveis Real Estate

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$2,995,000

5 beds6.5 baths7,141 sq ft

37 Sarles St, Armonk, NY 10504

Listing by Serhant LLC

OPEN TODAY, 11AM TO 12:30PM

$1,499,000

3 beds2.5 baths3,544 sq ft

115 Whippoorwill 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

Home values near 39 Middle Patent Rd

Data from public records.

Address	Redfin Estimate
41 Middle Patent Rd, Armonk, NY - Beds \| 3 Baths \| 2760 Sq. Ft.	$1,426,021
15 Windmill Pl, Armonk, NY - Beds \| 2 Baths \| 3283 Sq. Ft.	$1,431,226

Address	Redfin Estimate
34 Middle Patent Rd, Armonk, NY - Beds \| 3 Baths \| 2728 Sq. Ft.	$1,586,258
19 Thornewood Rd, Armonk, NY - Beds \| 4 Baths \| 4789 Sq. Ft.	$1,421,676

Address	Redfin Estimate
15 Middle Patent Rd, Armonk, NY 7 Beds \| 5.5 Baths \| 7138 Sq. Ft.	$6,958,133
20 Windmill Pl, Armonk, NY 5 Beds \| 4.5 Baths \| 5248 Sq. Ft.	$3,411,946

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