| Primary address | 7 Dupont Court, Greenvale |
| Zip code | 11548 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Brookville |
| Parcel ID | 19-A-587 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 13,489 |
| Building class | Estates - Luxurious Residence (250.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 5.616 |
| Buildings on lot | 1 |
| Year built | 2007 |
| Stories | 2 |
| Style | Mansion, Estate |
| Rooms | 19 |
| Bathrooms | 8 |
| Half bathrooms | 4 |
| Attic | Unfinished |
| Basement | Full |
| Exterior wall | Masonry |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Fireplace | 5 |
| School district | Jericho UFSD |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
7 Dupont Court, Greenvale, NY 11548 was built in 2007 and has a total of 13,489 square feet.
What is the assessed value of 7 Dupont Court, Greenvale, NY 11548 and the property tax paid?Assessed at $4,391, the tax amount paid for 7 Dupont Court, Greenvale, NY 11548 is $99,719.
When was 7 Dupont Court, Greenvale, NY 11548 last sold and what was the last sale price?7 Dupont Court, Greenvale, NY 11548 was last sold in 02/12/2004 for $2,350,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 7 Dupont Court, Greenvale, including title documents, transfer conditions, mortgages and liens.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 7 Dupont Court, Greenvale, NY 11548. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $99,720 |
| Tax class | Register |
| Market value | $4,391,000 |
| Assessed value | $4,391 |
Here's the assessment & property tax history for 7 Dupont Court, Greenvale, 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 | $4,391,000 | $4,391 | 2271.008 | $99,720 | +4.10% |
| 2025 | $4,320,000 | $4,320 | 2217.344 | $95,789 | -11.00% |
| 2024 | $4,800,000 | $4,560 | 2360.144 | $107,623 | -5.84% |
| 2023 | $4,800,000 | $4,800 | 2381.292 | $114,302 | -23.54% |
| 2022 | $5,643,000 | $5,643 | 2649.022 | $149,484 | -6.14% |
The complete history of permits filed for 7 Dupont Court, Greenvale, 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.
Create a free account to unlock extended information for 7 Dupont Court, Greenvale, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 7 Dupont Court, Greenvale to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Harbor Hill School | 7 | Public | K-5 | 584 | 0.79 |
| Glen Head Elementary School | 10 | Public | K-5 | 371 | 1.57 |
| Glenwood Landing Elementary School | 9 | Public | K-5 | 427 | 1.66 |
| The Green Vale School | NR | Private | PK-8 | 417 | 1.80 |
| The Green Vale School | NR | Private | PK-8 | 417 | 1.80 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| The Green Vale School | NR | Private | PK-8 | 417 | 1.80 |
| North Shore Middle School | 9 | Public | K-8 | 646 | 2.04 |
| Holy Child Academy | NR | Private | PK-8 | 147 | 2.21 |
| Roslyn Middle School | 8 | Public | 6-8 | 766 | 2.38 |
| Willets Road School | 8 | Public | 5-7 | 404 | 2.94 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Roslyn High School | 9 | Public | 9-12 | 1,035 | 1.99 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 2.13 |
| Whispering Pines School | NR | Private | PK-10 | 131 | 3.22 |
| Westbury High School | 5 | Public | 9-12 | 1,541 | 3.22 |
| Long Island Lutheran Middle & High School | NR | Private | 6-12 | 439 | 3.23 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 7 Dupont Court, Greenvale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 2 Horse Hill Rd, Glen Head | 4,716 | 03/21/2019 | $1,834,000 |
| 8 Rolling Dr, Glen Head | 3,530 | 11/24/2025 | $2,350,000 |
| 9 Dupont CT, Greenvale | 10,597 | 07/16/2003 | $1,150,000 |
| 1554 Old Cedar Swamp Rd, Glen Head | 5,592 | 05/01/1998 | $920,000 |
| 183 Wheatley Rd, Glen Head | 2,100 | 04/28/1993 | $415,000 |
| 5 Dupont CT, Greenvale | 11,494 | 06/30/2022 | $8,300,000 |
| 15 Dupont CT, Greenvale | 16,248 | 05/24/2024 | $14,600,000 |
| 11 Dupont CT, Roslyn | 10,853 | 09/25/2003 | $1,200,000 |
| 1 Dupont CT, Greenvale | 23,155 | ||
| 1552 Old Cedar Swamp Rd, Glen Head | 3,005 | 05/22/2025 | $110,000 |
| 181 Wheatley Rd, Glen Head | 1,575 | ||
| 21 Old Wheatley Rd, Glen Head | 6,484 | 07/28/2025 | $5,425,000 |