Nassau County  »  501 Uniondale Ave

501 Uniondale Avenue, Uniondale, NY 11553 Property Information

501 Uniondale Avenue, Uniondale, NY 11553 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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501 Uniondale Avenue, Uniondale, NY 11553
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Address

Primary address 501 Uniondale Avenue, Uniondale
Zip code 11553
County Nassau
Town/City Hempstead
Village (swiss code) None (unincorporated town)
Parcel ID 50-121-151

Sales & Tax Overview for 501 Uniondale Avenue, Uniondale

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

Tax class

Lot & Building Information for 501 Uniondale Avenue, Uniondale

Building sqft 9,256
Building class Police and Fire Protection, Electrical Signal Equipment and Other Facilities for Fire, Police, Civil Defense, Etc. (662.04)
Acreage 0.523
Buildings on lot 1
Year built 1949
Stories 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Capitalization rate
Street Paved
Traffic Medium
Area type Secondary strip
School district Uniondale UFSD

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

Commercial Buildings

Square footage Structure Grade Year built Stories
9,256 Police/fire stations C 1949 1

Floor Distribution

Floors Square footage Use Construction Condition Exterior wall Heating Air conditioning Plumbing
B1-B1 1,053 Support area
01-01 3,496 Auto parts/service Central
01-01 496 Multi-use office Central
01-01 1,768 Multi-use office Central
02-02 3,496 Multi-use office Central

Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.

Income and Expenses

Check out a breakdown by type of rentable square feet and the rent charged for each, including detailed info on expenses, gross/net income, income and expense rate.

Other Property Data for 501 Uniondale Avenue, Uniondale

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  • • Improvements for 501 Uniondale Avenue, Uniondale , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 501 Uniondale Avenue, Uniondale

What is the year built & the total sq. ft. for 501 Uniondale Avenue, Uniondale, NY 11553?

501 Uniondale Avenue, Uniondale, NY 11553 was built in 1949 and has a total of 9,256 square feet.

What is the assessed value of 501 Uniondale Avenue, Uniondale, NY 11553?

The assessed market value for the current tax year is $17,695.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

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 501 Uniondale Avenue, Uniondale

Create a free account to view the complete sales history for 501 Uniondale Avenue, Uniondale, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 501 Uniondale Avenue, Uniondale

Data not available for this property.

Property Taxes for 501 Uniondale Avenue, Uniondale

Access detailed property tax data for 501 Uniondale Avenue, Uniondale, NY 11553. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Property tax $0
Market value $1,769,500
Assessed value $17,695
School current tax bill
Property tax exemptions
Transitional assessed value

Assessment History for 501 Uniondale Avenue, Uniondale

Here's the assessment & property tax history for 501 Uniondale Avenue, Uniondale, 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
2026 $1,769,500 $17,695 n/a
2025 $1,769,500 $17,695 n/a
2024 $1,769,459 $17,695 627.445 $107,852 n/a
2023 $1,769,500 $17,695 n/a
2022 $1,769,500 $17,695 n/a

Permits for 501 Uniondale Avenue, Uniondale

The complete history of permits filed for 501 Uniondale Avenue, Uniondale, 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.

Hempstead residential market stats

Median Sale Price
$745,000
6.4% YoY
Median Price/Sqft
$485
4.8% YoY
Nassau County Median Sale Price
$805,000
6.6% YoY

Access a detailed real estate market overview of Hempstead so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Hempstead and compare it to other neighborhoods in Nassau County.

Check out recently sold homes in Hempstead and see how their prices compare.

Risk

Create a free account to unlock extended information for 501 Uniondale Avenue, Uniondale, 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 501 Uniondale Avenue, Uniondale 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)
St Martin De Porres Marianist School NR Private PK, K-8 427 0.24
St Martin De Porres Marianist School NR Private PK, K-8 427 0.24
Success Express Learning Ct. NR Private PK, K-6 0 0.38
Success Express Learning Ct. NR Private PK, K-6 0 0.38
California Avenue Elementary School 4 Public PK, K-5 663 0.64

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
St Martin De Porres Marianist School NR Private PK, K-8 427 0.24
Turtle Hook Middle School 4 Public 6-8 669 0.69
Kellenberg Memorial High School NR Private 6-12 2,549 1.05
Lawrence Road Middle School 3 Public 6-8 682 1.24
Hanc - Middle & High School NR Private 7-12 390 1.32

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Uniondale High School 4 Public 9-12 2,080 0.60
Kellenberg Memorial High School NR Private 6-12 2,549 1.05
Roosevelt High School 3 Public 9-12 1,075 1.26
Hanc - Middle & High School NR Private 7-12 390 1.32
Community Academic Prep NR Private K-10 16 1.56

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

Neighbors for 501 Uniondale Avenue, Uniondale

Here are the neighbors for 501 Uniondale Avenue, Uniondale.

Address Square feet Purchase date Purchase price
661 Hempstead Blvd, Uniondale 1,008 08/22/2003 $243,000
681 Hempstead Blvd, Uniondale 1,656 10/22/2024
709 Hempstead Blvd, Uniondale 1,384 10/18/2021 $545,000
678 Lafayette Ave, Uniondale 1,008 11/05/2021 $515,000
682 Lafayette Ave, Uniondale 1,344 09/30/2009 $229,916
697 Hempstead Blvd, Uniondale 1,342 09/08/2009 $230,000
688 Lafayette Ave, Uniondale 2,386 09/30/2006
667 Hempstead Blvd, Uniondale 1,788 12/12/2001
725 Hempstead Blvd, Uniondale 1,238 06/11/2013
674 Lafayette Ave, Uniondale 1,231 11/30/2009
704 Lafayette Ave, Uniondale 1,512
710 Lafayette Ave, Uniondale 1,246
671 Hempstead Blvd, Uniondale 1,144
668 Goodrich St, Uniondale 1,649 08/10/2015 $368,000
662 Lafayette Ave, Uniondale 1,140
666 Lafayette Ave, Uniondale 1,165 08/08/2005
700 Lafayette Ave, Uniondale 1,231 06/20/2019 $418,000
696 Lafayette Ave, Uniondale 1,125 06/23/2006
703 Hempstead Blvd, Uniondale 1,563
719 Hempstead Blvd, Uniondale 1,231 02/18/2021 $475,000

Nearby ZIP Codes for 501 Uniondale Avenue, Uniondale

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