Nassau County  »  11548  »  Dupont CT  »  15 Dupont CT

15 Dupont Court, Greenvale, NY 11548 - Property report

Also known as: 15 Dupont CT

Property image for 15 Dupont Court, Greenvale, NY 11548
static Mapbox map

Property type

Estates - Luxurious Residence (250.01)

Year built

2009

Acreage

6.072

Sale price

$14,600,000

General information

Unlock this property report with a free account

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
15 Dupont Court
ZIP code
11548
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Brookville
Parcel ID
19-A-588

Owner

Find out who owns 15 Dupont Court, Greenvale, NY 11548. Uncover corporate and individual owners with a free account.

Sales
Sale date
05/24/2024
Sale price
$14,600,000
Arm's length
Tax
Tax year
2026
Current property tax
$116,425
Tax class
Building
Property type
Estates - Luxurious Residence (250.01)
Building sq. ft.
16,248
Buildings on lot
1
Stories
2
Year built
2009
Rooms
12
Bathrooms
9
Half bathrooms
4
Exterior wall
Mas & frame
Building style
Mansion, Estate
Basement
Full
Attic
None
Fireplaces
4
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
6.072
Topography
Level
Land
Primary site

Area overview

Walk score
28 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
26 /100.  Somewhat Bikeable
School district
3015

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

Ownership

Ownership information for 15 Dupont Court, Greenvale, NY

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

Sales history for 15 Dupont Court, Greenvale, NY 11548

Sale date Sale price Buyer name Seller name
05/24/2024 $14,600,000 XX XXXXXX XXX XXXX XX XXXXXX XXX
05/25/2017 $10,500,000 XXXX XX XXXXXX XXX XXXXXX XX XXX
02/28/2006 $1,750,000 XXXXXXX XXXXXXX XXX XXXXX XXXXXX XXXX.

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
06/10/2024 - R Other
(Mortgage Satisfaction)		 XXXX XX XXXXXX XXX XXXX XXXX XXX
05/31/2024 - R
05/24/2024 - D		 Deed XXXX XX XXXXXX XXX XX XXXXXX XXX
06/24/2020 - R Other
(Mortgage Agreement)		 XXXX XX XXXXXX XXX XXXX XXXX XXX
08/19/2019 - R
07/30/2019 - D		 Mortgage
(Fixed Rate)		 XXXX XX XXXXXX XXX XXXX XXXX XXX
08/19/2019 - R Other
(Mortgage Agreement)		 XXXX XX XXXXXX XXX XXXX XXXX XXX XX
06/14/2018 - R Other
(Mortgage Agreement)		 XXXX XX XXXXXX XXX XXXX XXXX XXX
06/01/2017 - R
05/25/2017 - D		 Deed XXXXXX XX XXX XXXX XX XXXXXX XXX
03/26/2013 - R
03/22/2013 - D		 Deed XXXXXXX XXXXXXX XXXXXX XX XXX
03/28/2006 - R
02/28/2006 - D		 Deed XXX XXXXX XXXXXX XXXX. XXXXXXX XXXXXXX
03/12/2004 - R
10/03/2003 - D		 Deed XXXXX XXXXX XXX XXX XXXXX XXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 15 Dupont Court, Greenvale, NY

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

Current property tax
Tax year
2026
Current property tax
$116,425
Base tax
$116,753
Current school tax
Recent tax assessments
Market value
$5,141,000
Assessed value
$5,141
Transitional assessed value
Exemptions

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 $5,141,000 $5,141 2271.008 $116,753 -2.42%
2025 $5,396,000 $5,396 2217.344 $119,648 -17.85%
2024 $7,353,000 $6,171 2360.144 $145,644 -21.53%
2023 $7,794,000 $7,794 2381.292 $185,598 -21.20%
2022 $8,891,000 $8,891 2649.022 $235,525 -6.14%
2021 $8,388,000 $8,388 2991.401 $250,919 +32.46%
2020 $5,936,000 $14,840 1276.498 $189,432 -2.74%
2019 $6,434,800 $16,087 1210.74 $194,772 -15.98%
2018 $8,093,600 $20,234 1145.614 $231,804 +34.83%
2017 $6,274,000 $15,685 1096.099 $171,923 +7.30%
Permits

Permit information for 15 Dupont Court, Greenvale, NY

No recently recorded permits for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 15 Dupont Court, Greenvale, NY 11548 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Harbor Hill School 7 Public K-5 584 0.73
Glen Head Elementary School 10 Public K-5 371 1.47
Glenwood Landing Elementary School 9 Public K-5 427 1.54
The Green Vale School NR Private PK-8 417 1.83
The Green Vale School NR Private PK-8 417 1.83
North Shore Middle School 9 Public K-8 646 1.93
North Shore Senior High School 9 Public K-5, 9-12 764 2.02
East Hills Elementary School 8 Public K, 2-5 565 2.24
Holy Child Academy NR Private PK-8 147 2.29
Holy Child Academy NR Private PK-8 147 2.29
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
The Green Vale School NR Private PK-8 417 1.83
North Shore Middle School 9 Public K-8 646 1.93
Holy Child Academy NR Private PK-8 147 2.29
Roslyn Middle School 8 Public 6-8 766 2.37
Willets Road School 8 Public 5-7 404 2.97
Henry Viscardi School NR Private K-12 0 3.24
Whispering Pines School NR Private PK-10 131 3.31
Long Island Lutheran Middle & High School NR Private 6-12 439 3.34
Wheatley School 10 Public 8-12 666 3.47
Carrie Palmer Weber Middle School 7 Public 6-8 1,216 3.61
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roslyn High School 9 Public 9-12 1,035 1.95
North Shore Senior High School 9 Public K-5, 9-12 764 2.02
Henry Viscardi School NR Private K-12 0 3.24
Whispering Pines School NR Private PK-10 131 3.31
Westbury High School 5 Public 9-12 1,541 3.32
Long Island Lutheran Middle & High School NR Private 6-12 439 3.34
Wheatley School 10 Public 8-12 666 3.47
Vincent Smith School NR Private 2-12 46 3.51
Searingtown School 9 Public K-5, 11 585 3.54
Red Robin Country Day School NR Private 0 3.63

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 15 Dupont Court, Greenvale, NY

2 Horse Hill Rd, Glen Head 8 Rolling Dr, Glen Head 7 Dupont CT, Greenvale 9 Dupont CT, Greenvale 1554 Old Cedar Swamp Rd, Glen Head 183 Wheatley Rd, Glen Head 5 Dupont CT, Greenvale 11 Dupont CT, Roslyn 1 Dupont CT, Greenvale 1552 Old Cedar Swamp Rd, Glen Head 21 Old Wheatley Rd, Glen Head

Nearby ZIP codes for 15 Dupont Court, Greenvale, NY

11030, Nassau County, NY 11501, Nassau County, NY 11507, Nassau County, NY 11514, Nassau County, NY 11530, Nassau County, NY 11542, Nassau County, NY 11545, Nassau County, NY 11547, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11576, Nassau County, NY 11577, Nassau County, NY 11579, Nassau County, NY 11590, Nassau County, NY 11596, Nassau County, NY 11732, Nassau County, NY 11753, Nassau County, NY 11765, Nassau County, NY 11801, Nassau County, NY

Frequently asked questions

What is the year built for 15 Dupont Court, Greenvale, NY 11548?

The development at 15 Dupont Court, Greenvale, NY 11548 was built in 2009.

What is the total square footage of 15 Dupont Court, Greenvale, NY 11548?

15 Dupont Court, Greenvale, NY 11548 has a total of 16,248 square feet.

When was 15 Dupont Court, Greenvale, NY 11548 last sold and what was the sale price?

15 Dupont Court, Greenvale, NY 11548 was last sold on 05/24/2024 for $14,600,000.

What is the assessed value of 15 Dupont Court, Greenvale, NY 11548?

15 Dupont Court, Greenvale, NY 11548 is currently assessed at $5,141.

What are the property taxes for 15 Dupont Court, Greenvale, NY 11548?

The property taxes for 15 Dupont Court, Greenvale, NY 11548 total $116,752.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account