Westchester County  »  10504  »  Half Mile Rd  »  21 Half Mile Rd

21 Half Mile Road, Armonk, NY 10504 - Property report

Also known as: 21 Half Mile Rd

Property image for 21 Half Mile Road, Armonk, NY 10504
static Mapbox map

Property type

Residential Vacant Land (311)

Acreage

4.12

Sale price

$1,800,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
21 Half Mile Road
ZIP code
10504
County
Westchester
SWIS code
Town of North Castle
Parcel ID
107.4-1-24

Owner

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Sales
Sale date
08/27/2007
Sale price
$1,800,000
Arm's length
Tax
Tax year
2025
Current property tax
$4,726
Zoning & Use
Zoning
R-2A
Building
Property type
Residential Vacant Land (311)
AC
Yes
Condition
Normal
Exterior wall
Wood
Kitchen
1
Basement
F
Fireplaces
2
Fuel
Oil
Second story sq. ft.
Lot
Acreage
4.12

Area overview

Walk score
0 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
1 /100.  Somewhat Bikeable
School district
553801

View more such as transportation, nearby schools and risk designations.

Ownership information for 21 Half Mile Road, Armonk, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 21 Half Mile Road, Armonk, NY 10504

Sale date Sale price Buyer name Seller name
08/27/2007 $1,800,000 XXXXXX XXXX XXXXX XXXXX

*Most recent sale on record for this property.

More about Westchester County property records.

Title documents

Date Type Amount Party 1 Party 2
12/09/2008 - D
12/09/2008 - R
Deed XXXXXX XXXX XXXXXX XXXXX
08/27/2007 - D
08/27/2007 - R
Deed XXXXX XXXXX XXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 21 Half Mile Road, Armonk, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025
Property tax
$4,726
Recent tax assessments
Market value
$271,605
Land value
$271,605
Assessed value
$4,400

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025 $271,605 $4,400 1074.0027 $4,726 -1.63%
2024 $244,444 $4,400 1091.7922 $4,804 +4.42%
2023 $266,667 $4,400 1045.5625 $4,600 +2.43%
2022 $226,804 $4,400 1020.7834 $4,491 +1.46%
2021 $196,429 $4,400 1006.0446 $4,427 -0.32%
2020 $184,874 $4,400 1009.25871 $4,441 -0.13%
2019 $191,304 $4,400 1010.603605 $4,447 +0.72%
2018 $194,690 $4,400 1003.3799 $4,415 +1.87%
2017 $200,913 $4,400 984.92314 $4,334 -0.67%
2016 $188,034 $4,400 991.5505 $4,363 -0.40%

Permit information for 21 Half Mile Road, Armonk, NY

No recently recorded permits for this property.

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map

Access the detailed traffic volume map for 21 Half Mile Road, Armonk, NY 10504 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Montessori Childrens Room NR Private PK-1 126 0.75
Montessori Childrens Room NR Private PK-1 126 0.75
Wampus School 8 Public 3-5 494 1.49
Columbus Elementary School 6 Public 3-5 482 2.25
Mount Pleasant Cottage School NR Public K-12 129 2.44
Kensico School 5 Public 3-5 308 2.69
Cedar Knolls Academy NR Public 1-10 59 2.88
Douglas G Grafflin School 8 Public K-4 438 3.01
Pleasantville Middle School 8 Public 5-8 468 3.05
Coman Hill School NR Public K-2 563 3.19
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
H C Crittenden Middle School 10 Public 6-8 532 1.55
Westlake Middle School 6 Public 6-8 429 1.76
The Westfield Day School NR Private 7-12 18 1.93
Edenwald School NR Public 6-12 85 2.44
Mount Pleasant Cottage School NR Public K-12 129 2.44
Valhalla Middle School 7 Public 6-8 301 2.86
Cedar Knolls Academy NR Public 1-10 59 2.88
Linden Hill School NR Public 8-12 64 2.88
Pleasantville Middle School 8 Public 5-8 468 3.05
Robert E Bell School 8 Public 5-8 594 3.53
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Westlake High School 9 Public 9-12 547 1.76
The Westfield Day School NR Private 7-12 18 1.93
EF Academy International Boarding School NR Private 9-12 669 1.94
EF Academy New York NR Private 9-12 374 2.01
Edenwald School NR Public 6-12 85 2.44
Mount Pleasant Cottage School NR Public K-12 129 2.44
Byram Hills High School 10 Public 9-12 710 2.55
Valhalla High School 8 Public 9-12 429 2.86
Cedar Knolls Academy NR Public 1-10 59 2.88
Linden Hill School NR Public 8-12 64 2.88

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the market value of 21 Half Mile Road, Armonk, NY 10504?

The current market value of 21 Half Mile Road, Armonk, NY 10504 is $271,605.

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