Suffolk County  »  11742  »  Union Ave  »  644 Union Ave

644 Union Avenue, Holtsville, NY 11742 Property Information

644 Union Avenue, Holtsville, NY 11742 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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644 Union Avenue, Holtsville, NY 11742
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Address

Primary address 644 Union Avenue, Holtsville
Zip code 11742
County Suffolk
Municipality Brookhaven
Parcel ID 8003090

Sales & Tax Overview for 644 Union Avenue, Holtsville

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

Sale date 06/23/2011
Sale price $685,800
Arm's length
Property tax $19,425

Lot & Building Information for 644 Union Avenue, Holtsville

Building sqft 8,500
Building class Manufacturing and Processing (710)
Acreage 0.42
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Sachem

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Other Property Data for 644 Union Avenue, Holtsville

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About 644 Union Avenue, Holtsville

How many sq. ft. does 644 Union Avenue, Holtsville, NY 11742 have & what is the price per sq. ft?

This Manufacturing and Processing (710) located at 644 Union Avenue, Holtsville, NY 11742 has a total of 8,500 square feet and a current price per square foot of $80.

What is the market value of 644 Union Avenue, Holtsville, NY 11742?

The current market value is $1,037,735.

Ownership Information

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Past Sales & Property History for 644 Union Avenue, Holtsville

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Purchase date Purchase price Buyer name Seller name
06/23/2011 $685,800

Title Documents for 644 Union Avenue, Holtsville

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Date Type Amount Party 1 Party 2 Doc image
06/23/2011 - D
07/05/2011 - R
Deed
(Bargain & sale deed)
08/07/1998 - D
02/10/1999 - R
Deed
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 644 Union Avenue, Holtsville

Access detailed property tax data for 644 Union Avenue, Holtsville, NY 11742. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $19,425
Market value $1,037,735
Assessed value $5,500

Assessment History for 644 Union Avenue, Holtsville

Here's the assessment & property tax history for 644 Union Avenue, Holtsville, 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 $1,037,735 $5,500 338.342 $18,609 -17.92%
2023-2024 $1,018,519 $5,500 412.188 $22,670 +27.16%
2022-2023 $887,097 $5,500 324.157 $17,829 +3.72%
2021-2022 $743,244 $5,500 312.54 $17,190 +2.63%
2020-2021 $714,286 $5,500 304.524 $16,749 +1.29%

Permits for 644 Union Avenue, Holtsville

The complete history of permits filed for 644 Union Avenue, Holtsville, 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.

Demographics by Zip Code

Total population 13,202
Median age 39.3
Average household income $157,038
Family households 75.0%
Occupied housing units 4,651
Owner occupied units 83.6%
Average number of people per household 2.82
Median year structure built 1977
Median value for units with a mortgage $534,400
Median value for units without a mortgage $476,600

Risk

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

Transportation

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Neighbors for 644 Union Avenue, Holtsville

Here are the neighbors for 644 Union Avenue, Holtsville.

Address Square feet Purchase date Purchase price
885 Waverly Ave, Holtsville 51,555 06/06/2024 $9,000,000
71 Barretts Ave, Holtsville 1,604
30 Vautrin Ave, Holtsville 2,048 04/27/2021 $460,000
875 Waverly Ave, Holtsville 5,100
651 Union Ave, Holtsville 1,680 09/25/2025
60 Barretts Ave, Holtsville 1,752
304 Long Island Ave, Holtsville 07/24/2015
1085 Portion Rd, Farmingville 48,543 12/19/2002
6 Pine St, Holtsville 2,200 11/07/2018 $255,000
7 Palmer Ave, Holtsville 1,452 10/28/2020 $505,000
4 Duke CT, Farmingville 3,412 08/29/1997
1214 Waverly Ave, Holtsville 2,392 02/28/2020 $410,000
61 Barretts Ave, Holtsville 1,626 04/27/2004 $338,990
647 Union Ave, Holtsville 1,904 12/09/2025 $580,000
1208 Waverly Ave, Holtsville 2,056 02/06/2020 $450,000
865 Waverly Ave, Holtsville 25,952 02/23/2016 $2,817,500
62 Barretts Ave, Holtsville 2,898 04/23/2024
1 Revlon CT, Holtsville 10/28/2025 $725,000
12 Long Island Ave, Holtsville 16,531 08/08/2008 $1,675,000
1212 Waverly Ave, Holtsville 1,948 07/21/2000 $157,000

Nearby ZIP Codes for 644 Union Avenue, Holtsville

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