Nassau County  »  11548  »  Dupont CT  »  5 Dupont CT

5 Dupont Court, Greenvale, NY 11548 - Property report

Also known as: 5 Dupont CT

Property image for 5 Dupont Court, Greenvale, NY 11548
static Mapbox map

Property type

Estates - Luxurious Residence (250.01)

Year built

2011

Acreage

5.433

Sale price

$8,300,000

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
5 Dupont Court
ZIP code
11548
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Brookville
Parcel ID
19-A-585

Owner

Find out who owns 5 Dupont Court, Greenvale, NY 11548. Uncover corporate and individual owners with a free account.

Sales
Sale date
06/30/2022
Sale price
$8,300,000
Arm's length
Tax
Tax year
2026
Current property tax
$125,496
Tax class
Building
Property type
Estates - Luxurious Residence (250.01)
Building sq. ft.
11,494
Buildings on lot
1
Stories
2
Year built
2011
Rooms
17
Bathrooms
12
Half bathrooms
4
Exterior wall
Brick
Building style
Mansion, Estate
Basement
Full
Attic
Unfinished
Fireplaces
5
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
5.433
Topography
Level
Land
Primary site

Area overview

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

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

Ownership

Ownership information for 5 Dupont Court, Greenvale, NY

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

Sales history for 5 Dupont Court, Greenvale, NY 11548

Sale date Sale price Buyer name Seller name
06/30/2022 $8,300,000 XXXXXX XXXXXX; XXXXXX XXXXXXXX XXXXXXX XXXX XXXXXX XXXXX; XXXXXXX XXXX XXX
05/02/2017 $8,300,000 XXXXXXX XXXX; XXXXX XXXXXX XX XXXXXXXXXX XXX
02/02/2005 $2,650,000 XXXX XXXXXX XXXXX XXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
07/14/2022 - R
06/30/2022 - D		 Deed XXXXXXX XXXX XXXXXX XXXXX XXXXXX XXXXXX
07/14/2022 - R
06/30/2022 - D		 Mortgage
(Adjustable Rate (Arm))		 XXXXXX XXXXXX XXXXXXXX XXXXX XXXX XX
05/04/2020 - R
03/11/2020 - D		 Deed XXXXXX XXXXX XXXXXXX XXXX XXXXXX XXXXX
05/26/2017 - R
05/02/2017 - D		 Deed XX XXXXXXXXXX XXX XXXXXXX XXXX
07/28/2005 - R
06/28/2005 - D		 Deed XXXX XXXXXX
02/16/2005 - R
02/02/2005 - D		 Deed XXXXX XXXXX XXXX XXXXXX
09/16/2003 - R
07/25/2003 - D		 Deed XXXXXX XXXXXXX XXX XXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 5 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
Property tax
$125,496
Current school tax
Recent tax assessments
Market value
$5,526,000
Assessed value
$5,526
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 $5,526,000 $5,526 2271.008 $125,496 -13.47%
2025 $6,541,000 $6,541 2217.344 $145,036 -17.84%
2024 $9,210,563 $7,480 2360.144 $176,539 -19.51%
2023 $9,211,000 $9,211 2381.292 $219,341 -10.11%
2022 $9,211,000 $9,211 2649.022 $244,001 -11.62%
2021 $9,229,000 $9,229 2991.401 $276,076 +125.01%
2020 $3,844,800 $9,612 1276.498 $122,697 +5.43%
2019 $3,844,800 $9,612 1210.74 $116,376 +5.68%
2018 $3,844,800 $9,612 1145.614 $110,116 +4.52%
2017 $3,844,800 $9,612 1096.099 $105,357 -19.53%
Permits

Permit information for 5 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 5 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 0.74
Glen Head Elementary School 10 Public K-5 371 1.63
Glenwood Landing Elementary School 9 Public K-5 427 1.70
The Green Vale School NR Private PK-8 417 1.87
The Green Vale School NR Private PK-8 417 1.87
North Shore Middle School 9 Public K-8 646 2.09
Holy Child Academy NR Private PK-8 147 2.14
Holy Child Academy NR Private PK-8 147 2.14
East Hills Elementary School 8 Public K, 2-5 565 2.17
North Shore Senior High School 9 Public K-5, 9-12 764 2.18
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
The Green Vale School NR Private PK-8 417 1.87
North Shore Middle School 9 Public K-8 646 2.09
Holy Child Academy NR Private PK-8 147 2.14
Roslyn Middle School 8 Public 6-8 766 2.30
Willets Road School 8 Public 5-7 404 2.86
Whispering Pines School NR Private PK-10 131 3.15
Henry Viscardi School NR Private K-12 0 3.16
Long Island Lutheran Middle & High School NR Private 6-12 439 3.26
Wheatley School 10 Public 8-12 666 3.33
Westbury Middle School 4 Public 6-8 1,053 3.61
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Roslyn High School 9 Public 9-12 1,035 1.92
North Shore Senior High School 9 Public K-5, 9-12 764 2.18
Whispering Pines School NR Private PK-10 131 3.15
Henry Viscardi School NR Private K-12 0 3.16
Westbury High School 5 Public 9-12 1,541 3.16
Long Island Lutheran Middle & High School NR Private 6-12 439 3.26
Wheatley School 10 Public 8-12 666 3.33
Red Robin Country Day School NR Private 0 3.48
Searingtown School 9 Public K-5, 11 585 3.48
Vincent Smith School NR Private 2-12 46 3.60

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

Neighbors for 5 Dupont Court, Greenvale, NY

2 Horse Hill Rd, Glen Head 8 Rolling Dr, Glen Head 9 Dupont CT, Greenvale 7 Dupont CT, Greenvale 1554 Old Cedar Swamp Rd, Glen Head 183 Wheatley Rd, Glen Head 15 Dupont CT, Greenvale 11 Dupont CT, Roslyn 1 Dupont CT, Greenvale 1552 Old Cedar Swamp Rd, Glen Head 181 Wheatley Rd, Glen Head 1574 Old Cedar Swamp Rd, Glen Head 1580 Cedar Swamp Rd, Glen Head 21 Old Wheatley Rd, Glen Head

Nearby ZIP codes for 5 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 5 Dupont Court, Greenvale, NY 11548?

The development at 5 Dupont Court, Greenvale, NY 11548 was built in 2011.

What is the total square footage of 5 Dupont Court, Greenvale, NY 11548?

5 Dupont Court, Greenvale, NY 11548 has a total of 11,494 square feet.

When was 5 Dupont Court, Greenvale, NY 11548 last sold and what was the sale price?

5 Dupont Court, Greenvale, NY 11548 was last sold on 06/30/2022 for $8,300,000.

What is the assessed value of 5 Dupont Court, Greenvale, NY 11548?

5 Dupont Court, Greenvale, NY 11548 is currently assessed at $5,526.

What are the property taxes for 5 Dupont Court, Greenvale, NY 11548?

The property taxes for 5 Dupont Court, Greenvale, NY 11548 total $125,495.

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