| Primary address | 21 Sumter Avenue, Williston Park |
| Zip code | 11596 |
| County | Nassau |
| Town/City | North Hempstead |
| Village (swiss code) | East Williston |
| Parcel ID | 9-345-821 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Current property tax | $11,924 |
| Building sqft | 1,860 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.122 |
| Buildings on lot | 1 |
| Year built | 1971 |
| Stories | 2 |
| Style | Colonial |
| Rooms | 9 |
| Bathrooms | 2 |
| Half bathrooms | 1 |
| Attic | None |
| Basement | Full |
| Exterior wall | Frame |
| Heating type | Central |
| Heating system | Hot water |
| School district | East Williston 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:
21 Sumter Avenue, Williston Park, NY 11596 was built in 1971 and has a total of 1,860 square feet.
What is the assessed value of 21 Sumter Avenue, Williston Park, NY 11596 and the property tax paid?Assessed at $703, the tax amount paid for 21 Sumter Avenue, Williston Park, NY 11596 is $15,776.
When was 21 Sumter Avenue, Williston Park, NY 11596 last sold?21 Sumter Avenue, Williston Park, NY 11596 was last sold in 07/25/2019.
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 Sumter Avenue, Williston Park, 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 21 Sumter Avenue, Williston Park, NY 11596. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Base tax | $15,777 |
| Current property tax | $11,925 |
| Tax class | Register |
| Market value | $703,000 |
| Assessed value | $703 |
Here's the assessment & property tax history for 21 Sumter Avenue, Williston Park, 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 | $703,000 | $703 | 2244.184 | $15,777 | -0.14% |
| 2025 | $719,000 | $719 | 2197.389 | $15,799 | -6.03% |
| 2024 | $800,000 | $711 | 2364.632 | $16,813 | -7.84% |
| 2023 | $735,000 | $735 | 2481.995 | $18,243 | -16.48% |
| 2022 | $800,000 | $800 | 2730.206 | $21,842 | -9.22% |
The complete history of permits filed for 21 Sumter Avenue, Williston Park, 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 Sumter Avenue, Williston Park, 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 Sumter Avenue, Williston Park 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) |
|---|---|---|---|---|---|
| North Side School | 9 | Public | K-4 | 526 | 0.39 |
| St. Aidan Upper School | NR | Private | 4-8 | 0 | 0.46 |
| St Aidan School-East Campus | NR | Private | 3-8 | 209 | 0.47 |
| St Aidan School | NR | Private | PK-2 | 209 | 0.47 |
| St Aidan School | NR | Private | PK-2 | 209 | 0.47 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St. Aidan Upper School | NR | Private | 4-8 | 0 | 0.46 |
| St Aidan School-East Campus | NR | Private | 3-8 | 209 | 0.47 |
| St. Aidan School- East Campus | NR | Private | 4-8 | 0 | 0.47 |
| Henry Viscardi School | NR | Private | K-12 | 0 | 1.07 |
| Mineola Middle School | 5 | Public | 5-7 | 636 | 1.09 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Chaminade High School | NR | Private | 9-12 | 0 | 1.05 |
| Henry Viscardi School | NR | Private | K-12 | 0 | 1.07 |
| Wheatley School | 10 | Public | 8-12 | 666 | 1.19 |
| Searingtown School | 9 | Public | K-5, 11 | 585 | 1.41 |
| Mineola High School | 6 | Public | 8-12 | 1,078 | 1.47 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Sumter Avenue, Williston Park.