| Primary address | 8 Adelphi Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 422-1-57 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/06/2023 |
| Sale price | $10 |
| Arm's length | Register |
| Current property tax | $15,109 |
| Building sqft | 2,448 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.45 |
| Year built | 1956 |
| Zoning district | Register |
| School district | Islip |
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:
8 Adelphi Street, Islip, NY 11751 was built in 1956 and has a total of 2,448 square feet.
What is the assessed value of 8 Adelphi Street, Islip, NY 11751 and the property tax paid?Assessed at $54,850, the tax amount paid for 8 Adelphi Street, Islip, NY 11751 is $17,312.
When was 8 Adelphi Street, Islip, NY 11751 last sold and what was the last sale price?8 Adelphi Street, Islip, NY 11751 was last sold in 12/06/2023 for $10.
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 8 Adelphi Street, Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 12/06/2023 | $10 | 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 8 Adelphi Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $17,313 |
| Current property tax | $15,109 |
| Market value | $772,535 |
| Assessed value | $54,850 |
Here's the assessment & property tax history for 8 Adelphi Street, Islip, 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 | $772,535 | $54,850 | 30.486 | $16,722 | +3.73% |
| 2023-2024 | $753,434 | $54,850 | 29.39 | $16,120 | +1.68% |
| 2022-2023 | $662,440 | $54,850 | 28.904 | $15,854 | +0.07% |
| 2021-2022 | $591,056 | $54,850 | 28.884 | $15,843 | +3.07% |
| 2020-2021 | $565,464 | $54,850 | 28.023 | $15,371 | -26.94% |
The complete history of permits filed for 8 Adelphi Street, Islip, 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 8 Adelphi Street, Islip, 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 8 Adelphi Street, Islip 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) |
|---|---|---|---|---|---|
| Maud S Sherwood Elementary School | 6 | Public | 2-5 | 335 | 0.24 |
| Woodhull School | NR | Public | PK, K-6 | 34 | 1.15 |
| Woodhull School | NR | Public | PK, K-6 | 34 | 1.15 |
| St Mary School | NR | Private | PK-8 | 413 | 1.37 |
| St Mary School | NR | Private | PK-8 | 413 | 1.37 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.70 |
| St Mary School | NR | Private | PK-8 | 413 | 1.37 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.63 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 2.28 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.83 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.77 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.02 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.89 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.93 |
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 4.18 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 8 Adelphi Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 296 Cedar Ave, Islip | 11/26/2014 | $737,500 | |
| 194 Cedar Ave, Islip | |||
| 268 Ocean Ave, Islip | 1,732 | 07/25/2025 | $799,999 |
| 13 Grace CT, Islip | 1,873 | 09/01/2020 | |
| 17 Grace CT, Islip | 1,996 | 05/09/2024 | |
| 216 Cedar Ave, Islip | 1,421 | 09/14/2017 | $410,000 |
| 18 Cloverwood Pl, Islip | 07/29/2009 | $453,000 | |
| 5 Grace CT, Islip | 03/05/2024 | ||
| 130 Maple St, Islip | 07/01/2020 | $10 | |
| 204 Cedar Ave, Islip | |||
| 23 Grace CT, Islip | 1,873 | ||
| 250 Cedar Ave, Islip | 05/17/2025 | ||
| 298 Cedar Ave, Islip | 2,390 | 10/11/2022 | $770,000 |
| 274 Ocean Ave, Islip | 03/04/2024 | $775,000 | |
| 7 Adelphi St, Islip | 05/22/2025 | $675,000 | |
| 272 Ocean Ave, Islip | 03/25/2024 | $1,069,000 | |
| 278 Cedar Ave, Islip | 3,627 | 03/31/2020 | $580,000 |
| 276 Ocean Ave, Islip | 6,568 | 06/24/2025 | $2,105,000 |
| 15 Cloverwood Pl, Islip | |||
| 22 Grace CT, Islip | 1,852 | 06/04/2019 | $475,000 |