| Primary address | 21 William Street, Wyandanch |
| Zip code | 11798 |
| County | Suffolk |
| Municipality | Babylon |
| Parcel ID | 57-3-96 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/28/2017 |
| Sale price | $190,000 |
| Arm's length | Register |
| Property tax | $8,460 |
| Building sqft | 982 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.275
|
| Bathrooms | 2 |
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:
This One Family Year-Round Residence (210) located at 21 William Street, Wyandanch, NY 11798 has a total of 982 square feet.
What is the assessed value of 21 William Street, Wyandanch, NY 11798 and the property tax paid?Assessed at $2,410, the tax amount paid for 21 William Street, Wyandanch, NY 11798 is $8,459.
When was 21 William Street, Wyandanch, NY 11798 last sold and what was the last sale price?21 William Street, Wyandanch, NY 11798 was last sold in 08/28/2017 for $190,000.
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 William Street, Wyandanch, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 08/28/2017 | $190,000 | Register | Register |
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 William Street, Wyandanch, NY 11798. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,460 |
| Market value | $408,475 |
| Assessed value | $2,410 |
Here's the assessment & property tax history for 21 William Street, Wyandanch, 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 |
|---|---|---|---|---|---|
| 2024-2025 | $359,702 | $2,410 | 344.33 | $8,298 | +1.70% |
| 2023-2024 | $365,152 | $2,410 | 338.5657 | $8,159 | +1.29% |
| 2022-2023 | $308,974 | $2,410 | 334.2681 | $8,056 | +0.21% |
| 2021-2022 | $277,011 | $2,410 | 333.5693 | $8,039 | +1.44% |
| 2020-2021 | $264,835 | $2,410 | 328.8335 | $7,925 | +4.29% |
The complete history of permits filed for 21 William Street, Wyandanch, 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 William Street, Wyandanch, 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 William Street, Wyandanch 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) |
|---|---|---|---|---|---|
| ACADEMY CHARTER SCHOOL 2 | NR | Charter | K-2 | 144 | 0.57 |
| Martin Luther King Elementary School | 3 | Public | 3-5 | 621 | 0.61 |
| La Francis Hardiman Elementary School | NR | Public | PK, K-2 | 624 | 0.61 |
| La Francis Hardiman Elementary School | NR | Public | PK, K-2 | 624 | 0.61 |
| May Moore Primary School | NR | Public | PK, K-2 | 466 | 0.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Robert Frost Middle School | 7 | Public | 6-8 | 903 | 0.98 |
| Milton L Olive Middle School | 5 | Public | 6-8 | 581 | 1.31 |
| St Cyril & Methodius Catholic School | NR | Private | PK-8 | 190 | 1.43 |
| Ss Cyril & Methodius School | NR | Private | PK-8 | 195 | 1.43 |
| Robert Moses Middle School | 4 | Public | 6-8 | 1,074 | 1.97 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Wyandanch Memorial High School | 2 | Public | 9-12 | 843 | 1.20 |
| Deer Park High School | 7 | Public | 9-12 | 1,314 | 1.32 |
| Upper Room Christian School | NR | Private | K-12 | 149 | 2.34 |
| North Babylon High School | 6 | Public | 9-12 | 1,506 | 2.36 |
| Ascent School for Individuals With Autism | NR | Private | 4-12 | 24 | 2.47 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 William Street, Wyandanch.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 76 W 2nd St, Deer Park | 1,920 | 05/16/2018 | |
| 72 W 2nd St, Deer Park | 1,628 | 08/04/2022 | $639,000 |
| 96 W 2nd St, Deer Park | 960 | 06/03/2022 | $360,000 |
| 130 Elk St, Wyandanch | 672 | 07/26/2022 | $385,000 |
| 169 Lake Dr, Wyandanch | 1,408 | 09/12/2013 | $67,574 |
| 173 Lake Dr, Wyandanch | 960 | 03/04/2022 | $320,000 |
| 167 Lake Dr, Wyandanch | 1,411 | 10/11/2022 | $435,000 |
| 15 William St, Wyandanch | 03/13/2002 | $35,000 | |
| 64 W 2nd St, Deer Park | 1,571 | 09/18/2020 | $375,000 |
| 73 Grand Blvd, Wyandanch | 1,462 | 12/29/2005 | $238,500 |
| 171 Lake Dr, Wyandanch | 720 | 11/14/2018 | $189,000 |
| 22 Elm St, Wyandanch | 01/11/2021 | $70,000 | |
| 122 Elk St, Wyandanch | 1,075 | 07/01/2013 | $10 |
| 114 Elk St, Wyandanch | 1,075 | 07/20/2016 | $250,000 |
| 134 Elk St, Wyandanch | 1,035 | 04/29/2005 | |
| 90 W 2nd St, Deer Park | 1,498 | 10/19/2006 | $260,000 |
| 120 Elk St, Wyandanch | 1,080 | 12/31/2024 | $450,000 |
| 86 W 2nd St, Deer Park | 959 | ||
| 163 Half Hollow Rd, Deer Park | 6,681 | 08/28/2015 | $655,227 |
| 126 Elk St, Wyandanch | 1,075 | 12/15/2015 |