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18 West 21st Street, Deer Park, NY 11729 Property Information

18 West 21st Street, Deer Park, NY 11729 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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18 West 21st Street, Deer Park, NY 11729
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Address

Primary address 18 West 21st Street, Deer Park
Zip code 11729
County Suffolk
Municipality Babylon
Parcel ID 60-2-69

Sales & Tax Overview for 18 West 21st Street, Deer Park

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

Sale date 04/20/2017
Sale price $295,000
Arm's length
Property tax $12,004

Lot & Building Information for 18 West 21st Street, Deer Park

Building sqft 1,809
Building class One Family Year-Round Residence (210)
Acreage 0.172
Year built 1959
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Deer Park

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 18 West 21st Street, Deer Park

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About 18 West 21st Street, Deer Park

What is the year built & the total sq. ft. for 18 West 21st Street, Deer Park, NY 11729?

18 West 21st Street, Deer Park, NY 11729 was built in 1959 and has a total of 1,809 square feet.

What is the assessed value of 18 West 21st Street, Deer Park, NY 11729 and the property tax paid?

Assessed at $3,590, the tax amount paid for 18 West 21st Street, Deer Park, NY 11729 is $12,004.

When was 18 West 21st Street, Deer Park, NY 11729 last sold and what was the last sale price?

18 West 21st Street, Deer Park, NY 11729 was last sold in 04/20/2017 for $295,000.

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.
Research 100M+ property records powered by:
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Past Sales & Property History for 18 West 21st Street, Deer Park

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Purchase date Purchase price Buyer name Seller name
04/20/2017 $295,000
11/22/2016 $193,400
05/06/2004 $367,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 18 West 21st Street, Deer Park

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Date Type Amount Party 1 Party 2 Doc image
04/20/2017 - D
05/11/2017 - R
Deed
(Bargain and sale)
11/22/2016 - D
12/13/2016 - R
Deed
(Foreclosure)
05/06/2004 - D
05/21/2004 - R
Deed
06/10/2003 - D
07/07/2003 - R
Deed
10/15/1998 - D
10/30/1998 - R
Deed
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R: Recorded date
D: Document date

Property Taxes for 18 West 21st Street, Deer Park

Access detailed property tax data for 18 West 21st Street, Deer Park, NY 11729. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $12,004
Market value $608,474
Assessed value $3,590

Assessment History for 18 West 21st Street, Deer Park

Here's the assessment & property tax history for 18 West 21st Street, Deer Park, 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
2024-2025 $535,821 $3,590 324.6553 $11,655 +3.62%
2023-2024 $543,940 $3,590 313.3151 $11,248 +2.41%
2022-2023 $460,257 $3,590 305.9299 $10,983 +0.84%
2021-2022 $412,644 $3,590 303.3814 $10,891 +1.59%
2020-2021 $394,505 $3,590 298.6364 $10,721 +2.64%

Permits for 18 West 21st Street, Deer Park

The complete history of permits filed for 18 West 21st Street, Deer Park, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 18 West 21st Street, Deer Park, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

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

Transportation

Access the detailed traffic volume map for 18 West 21st Street, Deer Park to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
May Moore Primary School NR Public PK, K-2 466 0.68
May Moore Primary School NR Public PK, K-2 466 0.68
John Quincy Adams Elementary School NR Public PK, K-2 484 0.78
John Quincy Adams Elementary School NR Public PK, K-2 484 0.78
ACADEMY CHARTER SCHOOL 2 NR Charter K-2 144 0.95

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Robert Frost Middle School 7 Public 6-8 903 0.64
St Cyril & Methodius Catholic School NR Private PK-8 190 1.08
Ss Cyril & Methodius School NR Private PK-8 195 1.08
Milton L Olive Middle School 5 Public 6-8 581 1.72
Upper Room Christian School NR Private K-12 149 1.97

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Deer Park High School 7 Public 9-12 1,314 0.88
Wyandanch Memorial High School 2 Public 9-12 843 1.63
Upper Room Christian School NR Private K-12 149 1.97
Ascent School for Individuals With Autism NR Private 4-12 24 2.08
North Babylon High School 6 Public 9-12 1,506 2.37

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

Neighbors for 18 West 21st Street, Deer Park

Here are the neighbors for 18 West 21st Street, Deer Park.

Address Square feet Purchase date Purchase price
14 W 21st St, Deer Park 2,187 01/10/2007 $385,000
11 W 21st St, Deer Park 1,131 02/23/2010 $40,000
341 Westchester Ave, West Babylon 2,194 08/06/2018 $395,000
26 W 21st St, Deer Park 2,187 04/13/2018 $375,950
7 W 21st St, Deer Park 1,918 01/27/2023 $529,000
63 Court St, West Babylon 2,138 11/17/2001
41 W 16th St, Deer Park 1,512 07/05/2005
49 Court St, West Babylon 1,666 04/29/2024
35 W 16th St, Deer Park 1,436 07/31/2015 $340,000
23 W 16th St, Deer Park 984 12/29/2003 $315,000
30 W 21st St, Deer Park 1,863 03/01/1999 $173,000
55 Court St, West Babylon 1,074 01/05/2024 $310,000
41 Court St, West Babylon 2,047
345 Westchester Ave, West Babylon 1,700 10/23/2002 $165,000
11 W 16th St, Deer Park 1,892 04/20/1993 $154,000
29 W 16th St, Deer Park 2,118 07/22/2021
22 W 21st St, Deer Park 1,923 06/15/2007 $422,000
47 W 16th St, Deer Park 1,108 12/18/2015 $210,000
6 W 20th St, Deer Park 1,698 01/12/2017
17 W 16th St, Deer Park 1,477 08/05/2024

Nearby ZIP Codes for 18 West 21st Street, Deer Park

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