| Primary address | 5 William Street, Bayport |
| Zip code | 11705 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 433-3-6.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/25/2021 |
| Sale price | $24,100,000 |
| Arm's length | Register |
| Property tax | $21,906 |
| Building sqft | 2,746 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.58 |
| Year built | 1994 |
| Zoning district | Register |
| School district | Bayport-Blue Point |
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:
5 William Street, Bayport, NY 11705 was built in 1994 and has a total of 2,746 square feet.
What is the assessed value of 5 William Street, Bayport, NY 11705 and the property tax paid?Assessed at $61,300, the tax amount paid for 5 William Street, Bayport, NY 11705 is $21,905.
When was 5 William Street, Bayport, NY 11705 last sold and what was the last sale price?5 William Street, Bayport, NY 11705 was last sold in 10/25/2021 for $24,100,000.
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 5 William Street, Bayport, 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 5 William Street, Bayport, NY 11705. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $21,906 |
| Market value | $863,380 |
| Assessed value | $61,300 |
Here's the assessment & property tax history for 5 William Street, Bayport, 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 | $929,577 | $66,000 | 34.203 | $22,574 | +5.25% |
| 2023-2024 | $906,593 | $66,000 | 32.497 | $21,448 | +0.28% |
| 2022-2023 | $797,102 | $66,000 | 32.406 | $21,388 | +2.03% |
| 2021-2022 | $711,207 | $66,000 | 31.76 | $20,962 | +3.62% |
| 2020-2021 | $680,412 | $66,000 | 30.651 | $20,230 | -2.78% |
The complete history of permits filed for 5 William Street, Bayport, 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 5 William Street, Bayport, 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) | 0.2, AE, VE (See more on map) |
Access the detailed traffic volume map for 5 William Street, Bayport 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 Street Elementary School | 9 | Public | K-5 | 303 | 0.82 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 1.70 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 1.70 |
| Blue Point Elementary School | 5 | Public | K-5 | 224 | 1.70 |
| Sylvan Avenue Elementary School | 7 | Public | PK, K-5 | 306 | 1.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 1.70 |
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 1.99 |
| West Sayville Christian School | NR | Private | K-9 | 37 | 2.28 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 2.77 |
| Holy Angels Regional School | NR | Private | PK, K-8 | 309 | 3.06 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 1.01 |
| Sayville High School | 9 | Public | 9-12 | 880 | 2.10 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.91 | |
| Eastern Suffolk Boces | NR | Public | K-12 | 1,721 | 4.72 |
| Victory Christian Academy | NR | Private | PK-12 | 71 | 5.67 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 5 William Street, Bayport.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 23 Starlight Dr, East Islip | 08/03/1995 | ||
| 122 Claywood Dr, Brentwood | 03/31/2005 | $316,940 | |
| 94 Cedar Point Dr, West Islip | 2,797 | 11/04/2020 | $710,000 |
| 39 Riverdale Ave, Oakdale | 03/30/2018 | ||
| 472 A Johnson Ave, Ronkonkoma | 2,010 | 12/30/2024 | $680,000 |
| 91 Orient Ave, Brentwood | 09/02/2016 | $300,000 | |
| 28 Chanel Dr, Brentwood | 10/10/2025 | $685,000 | |
| 1051 Reilly St, Bay Shore | 08/30/2005 | $403,500 | |
| 63 Johnson Ln, Bay Shore | 09/25/1995 | $187,000 | |
| 265 Claywood Dr, Brentwood | 08/28/1995 | $89,000 | |
| 16 Chimney Ln, Bay Shore | 09/21/1995 | $124,000 | |
| 11 Maryland Ave, Bay Shore | 12/20/2013 | ||
| 47 Lincoln Dr, Oakdale | 1,684 | 05/11/2022 | $709,000 |
| 330 Collington Dr, Ronkonkoma | 936 | 06/24/2019 | |
| 111 Yuma Ln, East Islip | 12/14/2012 | ||
| 106 Oak Walk, Bay Shore | 969 | 09/22/2022 | $894,444 |
| 26 Barberry Rd, West Islip | 05/22/2024 | $815,000 | |
| 529 Alwick Ave, West Islip | 02/19/2003 | $330,000 | |
| 229 W 5th St, West Islip | 08/22/2007 | ||
| 21 Warren St, Brentwood | 08/10/2004 | $330,000 |