| Primary address | 1 Helen Street, Greenvale |
| Zip code | 11548 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | None (unincorporated town) |
| Parcel ID | 20-76-21 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 3,160 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.282 |
| Buildings on lot | 1 |
| Year built | 2004 |
| Stories | 2 |
| Style | Colonial |
| Rooms | 8 |
| Bathrooms | 2 |
| Half bathrooms | 1 |
| Attic | None |
| Basement | Full |
| Exterior wall | Frame |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Zoning district | Register (See more on map) |
| School district | Glen Head |
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:
1 Helen Street, Greenvale, NY 11548 was built in 2004 and has a total of 3,160 square feet.
What is the assessed value of 1 Helen Street, Greenvale, NY 11548 and the property tax paid?Assessed at $752, the tax amount paid for 1 Helen Street, Greenvale, NY 11548 is $18,437.
When was 1 Helen Street, Greenvale, NY 11548 last sold and what was the last sale price?1 Helen Street, Greenvale, NY 11548 was last sold in 02/23/2004 for $450,000.
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 1 Helen Street, 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 1 Helen Street, Greenvale, NY 11548. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $18,438 |
| Tax class | Register |
| Market value | $752,000 |
| Assessed value | $752 |
Here's the assessment & property tax history for 1 Helen Street, 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 |
|---|---|---|---|---|---|
| 2025 | $784,000 | $784 | 2365.91 | $18,549 | -1.55% |
| 2024 | $818,000 | $740 | 2546.045 | $18,841 | -12.88% |
| 2023 | $818,000 | $818 | 2643.825 | $21,626 | -6.27% |
| 2022 | $818,000 | $818 | 2820.813 | $23,074 | -11.84% |
| 2021 | $848,000 | $848 | 3086.326 | $26,172 | +59.79% |
The complete history of permits filed for 1 Helen Street, 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 1 Helen Street, 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 1 Helen Street, 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 | 0.58 |
| Glenwood Landing Elementary School | 9 | Public | K-5 | 427 | 1.01 |
| Glen Head Elementary School | 10 | Public | K-5 | 371 | 1.21 |
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.51 |
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.66 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Middle School | 9 | Public | K-8 | 646 | 1.51 |
| The Green Vale School | NR | Private | PK-8 | 417 | 2.25 |
| Roslyn Middle School | 8 | Public | 6-8 | 766 | 2.29 |
| Holy Child Academy | NR | Private | PK-8 | 147 | 2.67 |
| Vincent Smith School | NR | Private | 2-12 | 46 | 2.86 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| North Shore Senior High School | 9 | Public | K-5, 9-12 | 764 | 1.66 |
| Roslyn High School | 9 | Public | 9-12 | 1,035 | 1.71 |
| Vincent Smith School | NR | Private | 2-12 | 46 | 2.86 |
| Paul D Schreiber Senior High School | 9 | Public | 9-12 | 1,613 | 2.97 |
| Henry Viscardi School | NR | Private | K-12 | 0 | 3.16 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 1 Helen Street, Greenvale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 3 Helen St, Greenvale | 2,641 | 09/29/2020 | |
| 1 A Rose St, Glen Head | 2,048 | 02/12/2021 | |
| 6 Helen St, Greenvale | 1,924 | 05/06/2022 | $1,175,000 |
| 7 Cedar St, Greenvale | 2,966 | 12/11/2001 | $210,000 |
| 33 Marion St, Greenvale | 2,320 | 10/11/2013 | $692,000 |
| 7 Helen St, Greenvale | 2,654 | 08/18/2016 | $850,000 |
| 1 Rose St, Glen Head | 1,620 | 09/10/2001 | $475,000 |
| 1 Harbor Ln, Glen Head | 1,801 | 10/29/2019 | |
| 20 Osborne Ln, Greenvale | 2,583 | 12/10/1999 | $425,000 |
| 8 Helen St, Greenvale | 2,080 | 08/17/2020 | $735,000 |
| 31 Marion St, Greenvale | 1,780 | 05/26/2021 | $780,000 |
| 22 Osborne Ln, Greenvale | 2,411 | 10/17/2022 | |
| 10 Helen St, Greenvale | 2,107 | 10/31/2000 | $535,000 |
| 5 Cedar St, Greenvale | 2,529 | 06/05/2017 | |
| 3 Harbor Ln, Glen Head | 3,148 | 08/20/1992 | $265,000 |
| 100 Glen Cove Rd, Greenvale | 3,544 | 08/27/2025 | $1,400,000 |
| 18 Osborne Ln, Greenvale | 2,411 | 10/16/2019 | |
| 5 Helen St, Greenvale | 2,231 | 09/11/2014 | $645,000 |
| 23 Marion St, Greenvale | 2,257 | 04/07/2006 | $715,000 |
| 29 Marion St, Greenvale | 1,516 | 11/18/2015 | $560,000 |