| Primary address | 4 West William Street, Bay Shore |
| Zip code | 11706 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 341-2-77 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,764 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.33 |
| Zoning district | Register |
| School district | Bay Shore |
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:
Assessed at $28,500, the tax amount paid for 4 West William Street, Bay Shore, NY 11706 is $8,717.
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 4 West William Street, Bay Shore, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 4 West William Street, Bay Shore, NY 11706. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $8,718 |
| Current property tax | $5,764 |
| Market value | $401,409 |
| Assessed value | $28,500 |
Here's the assessment & property tax history for 4 West William Street, Bay Shore, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $401,409 | $28,500 | 30.589 | $8,718 | +4.40% |
| 2024-2025 | $401,409 | $28,500 | 29.299 | $8,350 | +4.40% |
| 2023-2024 | $391,483 | $28,500 | 28.063 | $7,998 | -0.15% |
| 2022-2023 | $344,203 | $28,500 | 28.104 | $8,010 | +0.31% |
| 2021-2022 | $307,112 | $28,500 | 28.016 | $7,985 | +2.87% |
The complete history of permits filed for 4 West William Street, Bay Shore, 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 4 West William Street, Bay Shore, 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 4 West William Street, Bay Shore 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) |
|---|---|---|---|---|---|
| Brook Avenue Elementary School | NR | Public | K-2 | 400 | 0.12 |
| St Patrick School | NR | Private | PK-8 | 534 | 0.37 |
| St Patrick School | NR | Private | PK-8 | 534 | 0.37 |
| Fifth Avenue School | NR | Public | K-2 | 383 | 0.66 |
| Mary G Clarkson School | NR | Public | K-2 | 446 | 0.86 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick School | NR | Private | PK-8 | 534 | 0.37 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 0.51 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.35 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 2.32 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 2.49 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 0.37 |
| Islip High School | 9 | Public | 9-12 | 892 | 1.34 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.75 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.75 |
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 3.56 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 4 West William Street, Bay Shore.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 8 Grace St, Bay Shore | 2,000 | ||
| 187 2nd Ave, Bay Shore | |||
| 39 Harrison Ave, Bay Shore | 10/10/2017 | ||
| 16 Perkal St, Bay Shore | 02/02/2000 | $107,000 | |
| 75 W Perkal St, Bay Shore | |||
| 80 Brook Ave, Bay Shore | |||
| 19-21 Chris Matt CT, Bay Shore | |||
| 10 W William St, Bay Shore | |||
| 39 Perkal St, Bay Shore | 1,320 | ||
| 9 A W William St, Bay Shore | 11/11/2002 | ||
| 9 Perkal St, Bay Shore | |||
| 3 W William St, Bay Shore | |||
| 7 W William St, Bay Shore | 11/27/2023 | ||
| 5-7 Chris Matt CT, Bay Shore | |||
| 161 2nd Ave, Bay Shore | |||
| 15 W William St, Bay Shore | |||
| 1660 Sunrise Hwy, Bay Shore | 17,139 | 01/21/2015 | $2,300,000 |
| 12 W William St, Bay Shore | 984 | 11/07/2018 | $255,000 |
| 7 Perkal St, Bay Shore | |||
| 7 Grace St, Bay Shore |