Nassau County  »  1 Dupont St

1 Dupont Street, Plainview, NY 11803 - Property report

Also known as: 1 Dupont St

Property image for 1 Dupont Street, Plainview, NY 11803
static Mapbox map

Property type

Office Building (464.14)

Year built

1964

Acreage

1.901

Sale price

$3,350,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
1 Dupont Street
ZIP code
11803
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
13-117-31

Owner

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Building
Property type
Office Building (464.14)
Building sq. ft.
40,440
Buildings on lot
1
Stories
1
Year built
1964
AC
Central
Sales
Sale date
12/19/2008
Sale price
$3,350,000
Arm's length
Tax
Tax year
2026
Current property tax
$233,820
Tax class
Zoning & Use
Zoning
Capitalization rate
Area type
Commercial/Industrial park
Lot
Acreage
1.901
Topography
Level
Land
Primary site

Area overview

Walk score
32 /100.  Car-Dependent
Transit score
14 /100.  Minimal Transit
Bike score
48 /100.  Somewhat Bikeable
School district
3019
Street
Paved
Traffic
Medium

View more such as transportation, nearby schools and risk designations.

Commercial Buildings

Sq. ft. Structure Grade Year built Stories
40,440 Office 20001-50k sf C+ 1964 1
Floor distribution
Floors Sq. ft. Use Construction Condition Exterior wall Heating Air conditioning Plumbing
B1-B1 19,100 Offices 20,001 - 50K sf Central
B1-B1 900 Offices 20,001 - 50K sf Central
B1-B1 440 Support area Central
01-01 20,440 Offices 20,001 - 50K sf Central
Ownership

Ownership information for 1 Dupont Street, Plainview, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 1 Dupont Street, Plainview, NY 11803

Sale date Sale price Buyer name Seller name
12/19/2008 $3,350,000 XXXXXX XXXXXXXXX XXXXXX XXX XXXXXX XXXXXX XXXXXX XXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
05/06/2026 - R
04/14/2026 - D		 Mortgage
(Mtg-mortgage)		 XXXXXX XXXXXX XXXXXXXXX XXX XXXXXXX XXXXXXXXX XXXX
07/07/2023 - R Other
(Mortgage agreement)		 XXXXXXXXXX XX XXXXXX XXXXXX XXXXXXXXX XXX
07/07/2023 - R Other
(Mortgage agreement)		 XXXX XXXX XXXXXXX XXX XXXXXXXXXX XX
07/07/2023 - R Other
(Mortgage agreement)		 XXXXXX XXXXXX XXXXXXXXX XXX XXXXXXXXXX XX
07/07/2023 - R
06/01/2023 - D		 Mortgage
(First mortgage, consolidation, extension, modification and security agreement)		 XXXXXX XXXXXX XXXXXXXXX XXX XXXXXXXXXX XX
03/04/2011 - R
07/15/2010 - D		 Deed XXXXXX XXXXXX XXXXXX XXX
12/30/2008 - R
12/19/2008 - D		 Deed XXXXXX XXXXXX XXXXXX XXX XXXXXX XXXXXXXXX XXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 1 Dupont Street, Plainview, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Tax class
Property tax
$233,820
Recent tax assessments
Market value
$2,890,800
Assessed value
$28,908
Transitional assessed value

More about Nassau County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2026 $2,890,800 $28,908 808.842 $233,820 -26.32%
2025 $4,206,100 $42,061 799.258 $317,361 +10.86%
2024 $4,206,040 $36,539 783.483 $286,277 -9.58%
2023 $4,206,100 $42,061 836.891 $316,604 -16.36%
2022 $4,206,100 $42,061 899.986 $378,543 -16.79%
2021 $4,715,800 $47,158 964.668 $454,918 +80.54%
2020 $2,384,100 $23,841 1056.9 $251,976 +4.02%
2019 $2,384,100 $23,841 1016.053 $242,237 -2.96%
2018 $2,384,100 $23,841 1047.064 $249,631 -2.00%
2017 $2,593,300 $25,933 982.246 $254,726 +2.52%
Permits

Permit information for 1 Dupont Street, Plainview, NY

No recently recorded permits for this property.

Neighborhood

Demographics by ZIP code

Total population
29,713
Median age
46.6
Average household income
$221,964
Family households
82.0%
People per household (average)
2.86
Occupied housing units
10,237
Owner-occupied units
93.6%
Median year structure built
1958
Median value mortgaged units
$822,300
Median value unmortgaged units
$762,300

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 1 Dupont Street, Plainview, NY 11803 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 1 Dupont Street, Plainview, NY

50 Fairchild CT, Plainview 132 Dupont St, Plainview 10-40 Dupont St, Plainview 135 Dupont St, Plainview 101 Fairchild Ave, Plainview 130 Fairchild Ave, Plainview 182 Fairchild Ave, Plainview 2 Bayview Dr, Plainview 151 Fairchild Ave, Plainview 151-163 Dupont St, Plainview 28 Fairchild Ave, Plainview 100 Fairchild Ave, Plainview 101 Dupont St, Plainview 225 Dupont St, Plainview 4 Bayview Dr, Plainview 80 Dupont St, Plainview 17 Dupont Ave, Plainview 121 Dupont St, Plainview 303 Sunnyside Blvd, Plainview 100 Dupont St, Plainview

Nearby ZIP codes for 1 Dupont Street, Plainview, NY

11554, Nassau County, NY 11568, Nassau County, NY 11590, Nassau County, NY 11714, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11735, Nassau County, NY 11735, Suffolk County, NY 11743, Suffolk County, NY 11746, Suffolk County, NY 11747, Suffolk County, NY 11753, Nassau County, NY 11756, Nassau County, NY 11762, Nassau County, NY 11783, Nassau County, NY 11791, Nassau County, NY 11797, Nassau County, NY 11798, Suffolk County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 1 Dupont Street, Plainview, NY 11803?

The development at 1 Dupont Street, Plainview, NY 11803 was built in 1964.

What is the market value of 1 Dupont Street, Plainview, NY 11803?

The current market value of 1 Dupont Street, Plainview, NY 11803 is $2,890,800.

What is the total square footage of 1 Dupont Street, Plainview, NY 11803?

1 Dupont Street, Plainview, NY 11803 has a total of 40,440 square feet.

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