| Primary address | 21 Dianas Trl, Roslyn |
| Zip code | 11576 |
| County | Nassau |
| Town/City | North Hempstead |
| Village (swiss code) | Roslyn Estates |
| Parcel ID | 7-188-15 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Building sqft | 1,280 |
| Building class | Water Supply (822.04) |
| Acreage | 0.518 |
| Buildings on lot | 2 |
| Year built | 1950 |
| Stories | 1 |
| Capitalization rate | Register |
| Street | Paved |
| Traffic | Light |
| Area type | Neighborhood or spot |
| School district | Roslyn UFSD |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
| Square footage | Structure | Grade | Year built | Stories |
|---|---|---|---|---|
| 1,280 | Warehouse 1-10000 sf | D | 1950 | 1 |
| 704 | Warehouse 1-10000 sf | D | 1980 | 1 |
| Floors | Square footage | Use | Construction | Condition | Exterior wall | Plumbing |
|---|---|---|---|---|---|---|
| B1-B1 | 640 | Whse 0 - 10,000 sf | Register | Register | Register | Register |
| 01-01 | 704 | Whse 0 - 10,000 sf | Register | Register | Register | Register |
| 01-01 | 640 | Whse 0 - 10,000 sf | Register | Register | Register | Register |
Find the size and usage for each floor in the building, plus corresponding details on construction type, physical condition, heating, and plumbing.
Check out a breakdown by type of rentable square feet and the rent charged for each, including detailed info on expenses, gross/net income, income and expense rate.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
21 Dianas Trl, Roslyn, NY 11576 was built in 1950 and has a total of 1,280 square feet.
What is the assessed value of 21 Dianas Trl, Roslyn, NY 11576?The assessed market value for the current tax year is $7,733.
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 21 Dianas Trl, Roslyn, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 21 Dianas Trl, Roslyn, NY 11576. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $0 |
| Market value | $773,300 |
| Assessed value | $7,733 |
Here's the assessment & property tax history for 21 Dianas Trl, Roslyn, 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 | $773,300 | $7,733 | n/a | ||
| 2025 | $773,300 | $7,733 | n/a | ||
| 2024 | $773,321 | $7,733 | 455.488 | $34,298 | n/a |
| 2023 | $773,300 | $7,733 | n/a | ||
| 2022 | $773,300 | $7,733 | n/a |
The complete history of permits filed for 21 Dianas Trl, Roslyn, 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 21 Dianas Trl, Roslyn, 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 21 Dianas Trl, Roslyn 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) |
|---|---|---|---|---|---|
| Our Lady Of Grace Montessori School | NR | Private | PK-3 | 94 | 0.85 |
| Our Lady Of Grace Montessori School | NR | Private | PK-3 | 94 | 0.85 |
| Roslyn Heights Elementary School | NR | Public | PK, K-1 | 345 | 0.92 |
| Roslyn Heights Elementary School | NR | Public | PK, K-1 | 345 | 0.92 |
| Shelter Rock Elementary School | 8 | Public | K-6 | 651 | 0.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Herricks Middle School | 9 | Public | 6-8 | 1,079 | 1.27 |
| Roslyn Middle School | 8 | Public | 6-8 | 766 | 1.52 |
| Buckley Country Day School | NR | Private | PK, K-8 | 310 | 1.71 |
| Henry Viscardi School | NR | Private | K-12 | 0 | 1.72 |
| St Mary's Elementary School | NR | Private | PK-8 | 234 | 1.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Roslyn High School | 9 | Public | 9-12 | 1,035 | 1.25 |
| Searingtown School | 9 | Public | K-5, 11 | 585 | 1.32 |
| Herricks High School | 10 | Public | 9-12 | 1,433 | 1.71 |
| Henry Viscardi School | NR | Private | K-12 | 0 | 1.72 |
| St Mary's College Prepartory High School | NR | Private | 9-12 | 679 | 1.86 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Dianas Trl, Roslyn.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 25 Dianas Trl, Roslyn | 3,724 | 10/09/2013 | $668,500 |
| 1 South Br, Roslyn | 3,131 | 09/19/1996 | $505,000 |
| 44 The Hemlocks, Roslyn | 2,922 | 10/20/1999 | $560,000 |
| 1 Dianas Trl, Roslyn | 2,595 | ||
| 42 The Hemlocks, Roslyn | 1,841 | 08/31/2021 | |
| 60 The Hemlocks, Roslyn | 3,785 | 11/15/2012 | |
| 40 The Hemlocks, Roslyn | 2,588 | 06/30/2023 | $1,380,000 |
| 38 The Hemlocks, Roslyn | 2,771 | 07/10/2017 | $968,000 |
| 64 The Hemlocks, Roslyn | 2,391 | 08/20/2025 | |
| 11 Dianas Trl, Roslyn | 4,915 | 12/15/2005 | |
| 9 Dianas Trl, Roslyn | 3,020 | 09/24/2015 | |
| 31 Dianas Trl, Roslyn | 2,734 | 07/08/2011 | $1,165,000 |
| 50 The Hemlocks, Roslyn | 3,017 | 05/16/2025 | $1,795,000 |
| 29 Dianas Trl, Roslyn | 3,542 | ||
| 5 South Br, Roslyn | 2,663 | 08/02/2021 | $1,510,421 |
| 52 The Hemlocks, Roslyn | 2,796 | 12/20/2019 | $1,400,000 |
| 58 The Hemlocks, Roslyn | 2,677 | 12/07/2000 | $660,000 |
| 5 Dianas Trl, Roslyn | 2,667 | 08/02/2021 | |
| 35 Dianas Trl, Roslyn | 3,344 | 10/12/2017 | $1,470,000 |
| 66 The Hemlocks, Roslyn | 3,770 | 05/10/2022 | $1,450,000 |