Nassau County  »  121 Dupont St

121 Dupont Street, Plainview, NY 11803 Property Information

121 Dupont Street, Plainview, NY 11803 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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121 Dupont Street, Plainview, NY 11803
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Address

Primary address 121 Dupont Street, Plainview
Zip code 11803
County Nassau
Town/City Oyster Bay
Village (swiss code) None (unincorporated town)
Parcel ID 13-117-34

Sales & Tax Overview for 121 Dupont Street, Plainview

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

Sale date 02/25/2026
Sale price $7,500,000
Arm's length
Current property tax $113,836

Lot & Building Information for 121 Dupont Street, Plainview

Building sqft 28,800
Building class Other Storage, Warehouse and Distribution Facilities (449.04)
Land Primary site
Topography Level
Acreage 1.44
Buildings on lot 1
Year built 1965
Stories 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district (See more on map)
Capitalization rate
Street Paved
Traffic Medium
Area type Commercial/Industrial park
School district Plainview

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Commercial Buildings

Square footage Structure Grade Year built Stories
28,800 Warehouse 20001-45k C 1965 1

Floor Distribution

Floors Square footage Use Construction Condition Exterior wall Heating Plumbing
B1-B1 2,880 Support area
01-01 28,800 Whse 20,001 - 45,000 sf

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Income and Expenses

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Other Property Data for 121 Dupont Street, Plainview

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  • • Improvements for 121 Dupont Street, Plainview , 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 121 Dupont Street, Plainview

How many sq. ft. does 121 Dupont Street, Plainview, NY 11803 have & what is the price per sq. ft?

This Other Storage, Warehouse and Distribution Facilities (449.04) located at 121 Dupont Street, Plainview, NY 11803 has a total of 28,800 square feet and a current price per square foot of $260.

What is the year built & the current market value of 121 Dupont Street, Plainview, NY 11803?

121 Dupont Street, Plainview, NY 11803 was built in 1965 and has a current tax assessor's market value of $1,407,400.

Ownership Information

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Past Sales & Property History for 121 Dupont Street, Plainview

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Purchase date Purchase price Buyer name Seller name
02/25/2026 $7,500,000
05/14/2004 $444,048
12/19/2003 $888,096
       
       
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*Here are the three most recent sales for this property.


Title Documents for 121 Dupont Street, Plainview

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2
03/06/2026 - R Other
(Mortgage agreement)
02/25/2026 - D
03/04/2026 - R
Deed
(Deed commercial/vacant land)
02/25/2026 - D
03/06/2026 - R
Mortgage
(Mtg-mortgage)
10/05/2007 - D
10/23/2007 - R
Deed
05/14/2004 - D
09/30/2004 - R
Deed
12/19/2003 - D
05/14/2004 - R
Deed
10/16/2003 - D
01/20/2004 - R
Deed
10/16/2003 - D
01/20/2004 - R
Deed
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R: Recorded date
D: Document date

Property Taxes for 121 Dupont Street, Plainview

Access detailed property tax data for 121 Dupont Street, Plainview, NY 11803. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Property tax $113,836
Tax class
Market value $1,407,400
Assessed value $14,074
Transitional assessed value

Assessment History for 121 Dupont Street, Plainview

Here's the assessment & property tax history for 121 Dupont Street, Plainview, 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 $1,407,400 $14,074 808.842 $113,836 +9.18%
2025 $1,304,500 $13,045 799.258 $104,263 -5.03%
2024 $1,521,800 $14,299 783.483 $109,782 +1.80%
2023 $1,521,800 $15,218 836.891 $107,842 -21.26%
2022 $1,521,800 $15,218 899.986 $136,960 -4.19%

Permits for 121 Dupont Street, Plainview

The complete history of permits filed for 121 Dupont Street, Plainview, 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 29,713
Median age 46.6
Average household income $221,964
Family households 82.0%
Occupied housing units 10,237
Owner occupied units 93.6%
Average number of people per household 2.86
Median year structure built 1958
Median value for units with a mortgage $822,300
Median value for units without a mortgage $762,300

Risk

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

Transportation

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Neighbors for 121 Dupont Street, Plainview

Here are the neighbors for 121 Dupont Street, Plainview.

Address Square feet Purchase date Purchase price
50 Fairchild CT, Plainview 8,550 11/24/2006
10-40 Dupont St, Plainview 25,024 04/01/2008
135 Dupont St, Plainview 27,165 01/02/2002
101 Fairchild Ave, Plainview 30,636 05/22/2024 $5,994,948
8 Bayview Dr, Plainview 2,917 10/09/2010
130 Fairchild Ave, Plainview 17,854 09/16/1999 $690,956
182 Fairchild Ave, Plainview 3,624 08/18/2005 $875,000
2 Bayview Dr, Plainview 2,189 05/20/2008 $690,000
6 Bayview Dr, Plainview 2,189 07/30/2025
151 Fairchild Ave, Plainview 18,998 08/11/2025 $3,612,000
10 Bayview Dr, Plainview 3,461 02/21/2017 $995,000
151-163 Dupont St, Plainview 33,205 07/02/2002
28 Fairchild Ave, Plainview 117,837 05/02/2008
100 Fairchild Ave, Plainview 20,670 09/16/1999 $787,200
225 Dupont St, Plainview 22,932 08/01/2014 $2,100,000
4 Bayview Dr, Plainview 1,989 03/28/2002 $548,200
101 Dupont St, Plainview 31,809 02/25/2026 $7,500,000
17 Dupont Ave, Plainview 19,874 06/14/1996
1 Dupont St, Plainview 40,440 07/15/2010
303 Sunnyside Blvd, Plainview 76,752 12/20/2024 $12,050,000

Nearby ZIP Codes for 121 Dupont Street, Plainview

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