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21 Glendale Avenue, Armonk, NY 10504 Property Information

21 Glendale Avenue, Armonk, NY 10504 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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21 Glendale Avenue, Armonk, NY 10504
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Address

Primary address 21 Glendale Avenue, Armonk
Zip code 10504
County Westchester
Municipality North Castle
Parcel ID 108.1-5-50

Sales & Tax Overview for 21 Glendale Avenue, Armonk

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Property tax $12,566

Lot & Building Information for 21 Glendale Avenue, Armonk

Building sqft 1,484
Building class One Family Year-Round Residence (210)
Acreage 0.2
Year built 1929
Bathrooms 1
Kitchen 1
Style
Condition 3
Basement U
Exterior wall
Heating type
Heating fuel Oil
Central air conditioning Yes
Fireplace 2
Second story sqft
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Byram Hills

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Other Property Data for 21 Glendale Avenue, Armonk

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About 21 Glendale Avenue, Armonk

What is the year built & the total sq. ft. for 21 Glendale Avenue, Armonk, NY 10504?

21 Glendale Avenue, Armonk, NY 10504 was built in 1929 and has a total of 1,484 square feet.

What is the assessed value of 21 Glendale Avenue, Armonk, NY 10504 and the property tax paid?

Assessed at $11,700, the tax amount paid for 21 Glendale Avenue, Armonk, NY 10504 is $12,565.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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Past Sales & Property History for 21 Glendale Avenue, Armonk

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No recorded sales for this property.

Title Documents for 21 Glendale Avenue, Armonk

Data not available for this property.

Property Taxes for 21 Glendale Avenue, Armonk

Access detailed property tax data for 21 Glendale Avenue, Armonk, NY 10504. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025
Property tax $12,566
Market value $722,222
Assessed value $11,700

Assessment History for 21 Glendale Avenue, Armonk

Here's the assessment & property tax history for 21 Glendale Avenue, Armonk, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025 $722,222 $11,700 1074.0027 $12,566 +3.69%
2024 $616,667 $11,100 1091.7922 $12,119 +4.42%
2023 $672,727 $11,100 1045.5625 $11,606 +17.21%
2022 $500,000 $9,700 1020.7834 $9,902 +1.47%
2021 $433,036 $9,700 1006.0446 $9,759 -0.32%

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

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

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Wampus School 8 Public 3-5 494 0.19
Montessori Childrens Room NR Private PK-1 126 0.92
Montessori Childrens Room NR Private PK-1 126 0.92
Coman Hill School NR Public K-2 563 1.57
Douglas G Grafflin School 8 Public K-4 438 2.99

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
H C Crittenden Middle School 10 Public 6-8 532 0.35
The Westfield Day School NR Private 7-12 18 0.77
Whitby School NR Private PK-8 292 3.12
Westlake Middle School 6 Public 6-8 429 3.24
Edenwald School NR Public 6-12 85 3.38

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
The Westfield Day School NR Private 7-12 18 0.77
Byram Hills High School 10 Public 9-12 710 1.02
Westlake High School 9 Public 9-12 547 3.24
Edenwald School NR Public 6-12 85 3.38
Mount Pleasant Cottage School NR Public K-12 129 3.38

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 21 Glendale Avenue, Armonk

Here are the neighbors for 21 Glendale Avenue, Armonk.

Address Square feet Purchase date Purchase price
9 Glendale Ave, Armonk 2,477 05/15/1996 $365,000
5 Glendale Ave, Armonk 2,603 08/11/2015 $775,000
7 Wampus Ave, Armonk 1,825 11/29/2006 $755,000
31 Glendale Ave, Armonk 2,484
3 Wampus Ave, Armonk 2,052 07/28/2021 $995,000
27 School St, Armonk 1,609 04/04/2006
29 Glendale Ave, Armonk 1,884 01/11/2024 $848,000
11 Glendale Ave, Armonk 1,419
33 Glendale Ave, Armonk 825 08/29/2024
35 Glendale Ave, Armonk 2,484
39 Glendale Ave, Armonk 2,437 01/04/2021 $1,049,000
1 Glendale Ave, Armonk 2,571 07/13/2021 $989,000
25 Glendale Ave, Armonk 864 05/08/2024 $790,000
37 Glendale Ave, Armonk 1,680 03/22/2024 $10
15 Glendale Ave, Armonk 2,475 10/01/2013 $562,500
7 Glendale Ave, Armonk 1,840
5 Wampus Ave, Armonk 2,300 09/07/2017
27 Glendale Ave, Armonk 2,162
13 Glendale Ave, Armonk 1,024 03/16/1998 $170,000
23 Glendale Ave, Armonk 1,600 07/01/2014 $510,000

Nearby ZIP Codes for 21 Glendale Avenue, Armonk

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