Nassau County  »  121 Dupont St

121 Dupont Street, Plainview, NY 11803 - Property report

Also known as: 121 Dupont St

Property image for 121 Dupont Street, Plainview, NY 11803
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Property type

Other Storage, Warehouse and Distribution Facilities (449.04)

Year built

1965

Acreage

1.44

Sale price

$7,500,000

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
121 Dupont Street
ZIP code
11803
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
13-117-34

Owner

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Building
Property type
Other Storage, Warehouse and Distribution Facilities (449.04)
Building sq. ft.
28,800
Buildings on lot
1
Stories
1
Year built
1965
Sales
Sale date
02/25/2026
Sale price
$7,500,000
Arm's length
Tax
Tax year
2026
Current property tax
$113,836
Tax class
Zoning & Use
Zoning
Capitalization rate
Area type
Commercial/Industrial park
Lot
Acreage
1.44
Topography
Level
Land
Primary site

Area overview

Walk score
31 /100.  Car-Dependent
Transit score
13 /100.  Minimal Transit
Bike score
52 /100.  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
28,800 Warehouse 20001-45k C 1965 1
Floor distribution
Floors Sq. ft. Use Construction Condition Exterior wall Heating Air conditioning Plumbing
B1-B1 2,880 Support area
01-01 28,800 Whse 20,001 - 45,000 sf
Ownership

Ownership information for 121 Dupont Street, Plainview, NY

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

Sales history for 121 Dupont Street, Plainview, NY 11803

Sale date Sale price Buyer name Seller name
02/25/2026 $7,500,000 XXX-XXX XXXXXX XXXXXXXX XXXXX XXX XXX XXXXXX XXX; XXX XXXXXX XXX
05/14/2004 $444,048 XXXXXXX XXXXXXX
12/19/2003 $888,096 XXX XXXXXXXXXX XXX XXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
03/06/2026 - R Other
(Mortgage agreement)		 XXX-XXX XXXXXX XXXXXXXX XXXXX XXX XXXXXXXXXX XXXX XX
03/04/2026 - R
02/25/2026 - D		 Deed
(Deed commercial/vacant land)		 XXX XXXXXX XXX XXX-XXX XXXXXX XXXXXXXX XXXXX XXX
03/06/2026 - R
02/25/2026 - D		 Mortgage
(Mtg-mortgage)		 XXX-XXX XXXXXX XXXXXXXX XXXXX XXX XXXXXXXXXX XXXX XX
10/23/2007 - R
10/05/2007 - D		 Deed XXXXXXXX-XXXXXXXX XXXXX
09/30/2004 - R
05/14/2004 - D		 Deed XXXXXXX XXXXXXX
05/14/2004 - R
12/19/2003 - D		 Deed XXX XXXXXXXXXX XXX XXX
01/20/2004 - R
10/16/2003 - D		 Deed XXXXXXXX XXXXX
01/20/2004 - R
10/16/2003 - D		 Deed XXXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 121 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
$113,836
Recent tax assessments
Market value
$1,407,400
Assessed value
$14,074
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 $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%
2021 $1,481,800 $14,818 964.668 $142,945 +41.03%
2020 $959,000 $9,590 1056.9 $101,357 +4.02%
2019 $959,000 $9,590 1016.053 $97,439 -2.96%
2018 $959,000 $9,590 1047.064 $100,413 -0.99%
2017 $1,032,500 $10,325 982.246 $101,417 +6.06%
Permits

Permit information for 121 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 121 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 121 Dupont Street, Plainview, NY

50 Fairchild CT, Plainview 10-40 Dupont St, Plainview 135 Dupont St, Plainview 101 Fairchild Ave, Plainview 8 Bayview Dr, Plainview 130 Fairchild Ave, Plainview 182 Fairchild Ave, Plainview 2 Bayview Dr, Plainview 6 Bayview Dr, Plainview 151 Fairchild Ave, Plainview 10 Bayview Dr, Plainview 151-163 Dupont St, Plainview 28 Fairchild Ave, Plainview 100 Fairchild Ave, Plainview 225 Dupont St, Plainview 4 Bayview Dr, Plainview 101 Dupont St, Plainview 17 Dupont Ave, Plainview 1 Dupont St, Plainview 303 Sunnyside Blvd, Plainview

Nearby ZIP codes for 121 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 121 Dupont Street, Plainview, NY 11803?

The development at 121 Dupont Street, Plainview, NY 11803 was built in 1965.

What is the market value of 121 Dupont Street, Plainview, NY 11803?

The current market value of 121 Dupont Street, Plainview, NY 11803 is $1,407,400.

What is the total square footage of 121 Dupont Street, Plainview, NY 11803?

121 Dupont Street, Plainview, NY 11803 has a total of 28,800 square feet.

What is the price per square foot for this property?

$260 per square foot is the price for 121 Dupont Street, Plainview, NY 11803.

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