| Primary address | 21 White Oak Tree Road, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Laurel Hollow |
| Parcel ID | 25-C01-256 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 3,733 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 2.071 |
| Buildings on lot | 1 |
| Year built | 1964 |
| Stories | 2 |
| Style | Colonial |
| Rooms | 11 |
| Bathrooms | 3 |
| Half bathrooms | 1 |
| Attic | None |
| Basement | Full |
| Exterior wall | Mas & frame |
| Heating type | Central/AC |
| Heating system | Central w ac |
| Fireplace | 2 |
| School district | Cold Spring Harbor CSD |
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:
21 White Oak Tree Road, Syosset, NY 11791 was built in 1964 and has a total of 3,733 square feet.
What is the assessed value of 21 White Oak Tree Road, Syosset, NY 11791 and the property tax paid?Assessed at $1,188, the tax amount paid for 21 White Oak Tree Road, Syosset, NY 11791 is $23,102.
When was 21 White Oak Tree Road, Syosset, NY 11791 last sold and what was the last sale price?21 White Oak Tree Road, Syosset, NY 11791 was last sold in 09/21/2015 for $1,325,000.
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 21 White Oak Tree Road, Syosset, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 21 White Oak Tree Road, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $23,103 |
| Tax class | Register |
| Market value | $1,188,000 |
| Assessed value | $1,188 |
Here's the assessment & property tax history for 21 White Oak Tree Road, Syosset, 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 | $1,260,000 | $1,260 | 1937.942 | $24,418 | -11.39% |
| 2024 | $1,389,000 | $1,273 | 2164.669 | $27,556 | -14.75% |
| 2023 | $1,389,000 | $1,389 | 2327.09 | $32,323 | -11.00% |
| 2022 | $1,389,000 | $1,389 | 2614.623 | $36,317 | -9.06% |
| 2021 | $1,411,000 | $1,411 | 2830.435 | $39,937 | +53.25% |
The complete history of permits filed for 21 White Oak Tree Road, Syosset, 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 White Oak Tree Road, Syosset, 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 White Oak Tree Road, Syosset 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) |
|---|---|---|---|---|---|
| The Center For Developmental Disabilities | NR | Private | 105 | 0.59 | |
| Berry Hill Elementary School | 8 | Public | K-5 | 450 | 0.70 |
| West Side School | 8 | Public | 2-6 | 233 | 1.04 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.30 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.30 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| The Center For Developmental Disabilities | NR | Private | 105 | 0.59 | |
| South Woods Middle School | 8 | Public | 6-8 | 746 | 0.65 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.30 |
| East Woods School | NR | Private | PK, K-8 | 226 | 1.36 |
| St Edward Confessor School | NR | Private | PK-8 | 265 | 1.73 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| The Center For Developmental Disabilities | NR | Private | 105 | 0.59 | |
| Syosset Senior High School | 10 | Public | 9-12 | 2,266 | 0.76 |
| Our Lady Of Mercy Academy | NR | Private | 9-12 | 359 | 1.21 |
| P.S. 256 | NR | Public | PK, K-12 | 500 | 1.30 |
| Fusion Academy Woodbury Ny | NR | Private | 6-12 | 75 | 2.24 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 White Oak Tree Road, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 7 White Oak Tree Rd, Syosset | 1,840 | 12/03/2021 | $985,000 |
| 17 White Oak Tree Rd, Syosset | 6,444 | 11/09/2018 | |
| 75 Cedarfield Rd, Syosset | 7,532 | ||
| 31 White Oak Tree Rd, Syosset | 5,575 | 05/15/2020 | $900,000 |
| 95 Cedar Field Rd, Syosset | 5,237 | 09/08/2012 | $2,700,000 |
| 35 White Oak Tree Rd, Syosset | 3,868 | 07/18/2016 | $1,611,000 |
| 391 Cold Spring Rd, Syosset | 5,066 | 11/17/2017 | $1,752,000 |
| 47 Stillwell Ln, Woodbury | 2,925 | ||
| 49 White Oak Tree Rd, Syosset | 2,744 | 10/02/2020 | $1,299,000 |
| 371 Cold Spring Rd, Syosset | 3,399 | ||
| 85 Cedarfield Rd, Syosset | 5,036 | 07/09/2007 | $2,500,000 |
| 11 White Oak Tree Rd, Syosset | 2,399 | ||
| 399 Cold Spring Rd, Syosset | 5,864 | ||
| 50 Cedarfield Rd, Syosset | 3,728 | 10/24/2017 | $1,260,000 |
| 530 Cold Spring Rd, Syosset | 7,195 | 02/09/2010 | $2,850,000 |
| 45 White Oak Tree Rd, Syosset | 2,611 | 11/13/1998 | $781,250 |
| 39 White Oak Tree Rd, Syosset | 2,800 | 06/26/2013 | $925,000 |
| 51 Stillwell Rd, Syosset | 3,476 | 10/21/2020 | |
| 566 Cold Spring Rd, Syosset | 3,342 | ||
| 27 White Oak Tree Rd, Syosset | 3,807 |