| Primary address | 100 River Road, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 450-3-15 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/25/1999 |
| Sale price | $250,000 |
| Arm's length | Register |
| Current property tax | $11,998 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.58 |
| Units | 2 |
| Zoning district | Register |
| School district | East 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:
Assessed at $50,800, the tax amount paid for 100 River Road, East Islip, NY 11730 is $14,202.
When was 100 River Road, East Islip, NY 11730 last sold and what was the last sale price?100 River Road, East Islip, NY 11730 was last sold in 06/25/1999 for $250,000.
How many residential units does this building have?This building has 2 residential unit(s).
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 100 River Road, East Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 06/25/1999 | $250,000 | 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 100 River Road, East Islip, NY 11730. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $14,202 |
| Current property tax | $11,998 |
| Market value | $715,493 |
| Assessed value | $50,800 |
Here's the assessment & property tax history for 100 River Road, East 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 | $715,493 | $50,800 | 26.849 | $13,639 | +2.69% |
| 2023-2024 | $697,802 | $50,800 | 26.145 | $13,282 | +0.84% |
| 2022-2023 | $613,527 | $50,800 | 25.927 | $13,171 | -0.72% |
| 2021-2022 | $547,414 | $50,800 | 26.114 | $13,266 | +2.36% |
| 2020-2021 | $523,711 | $50,800 | 25.513 | $12,961 | -20.34% |
The complete history of permits filed for 100 River Road, East 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 100 River Road, East 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 100 River Road, East 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) |
|---|---|---|---|---|---|
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 1.14 |
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 1.14 |
| Idle Hour Elementary School | 8 | Public | PK, K-5 | 190 | 1.15 |
| Idle Hour Elementary School | 8 | Public | PK, K-5 | 190 | 1.15 |
| John F Kennedy Elementary School | 5 | Public | 3-5 | 450 | 1.88 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.02 | |
| Oakdale Bohemia Middle School | 6 | Public | 6-8 | 634 | 2.26 |
| St Mary School | NR | Private | PK-8 | 413 | 2.42 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.61 |
| West Sayville Christian School | NR | Private | K-9 | 37 | 2.95 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.02 | |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.72 |
| Sayville High School | 9 | Public | 9-12 | 880 | 3.25 |
| Islip High School | 9 | Public | 9-12 | 892 | 3.78 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 4.51 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 100 River Road, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 62 River Rd, East Islip | 06/27/2019 | $375,500 | |
| 90 River Rd, East Islip | 04/10/2025 | $741,000 | |
| 4 Wilton CT, Great River | 01/28/2013 | $525,000 | |
| 136 River Rd, East Islip | 02/27/2024 | ||
| 89 River Rd, Great River | 04/22/2025 | $550,000 | |
| 3 New St, Great River | 05/22/2018 | ||
| 6 Russett Ln, Great River | |||
| 110 River Rd, East Islip | |||
| 139 River Rd, Great River | 03/21/2012 | $465,000 | |
| 106 River Rd, East Islip | 3,072 | 02/22/2017 | $405,000 |
| 86 River Rd, East Islip | |||
| 84 River Rd, East Islip | |||
| 5 New St, Great River | 2,481 | 08/13/2024 | $1,375,000 |
| 132 River Rd, East Islip | |||
| 81 River Rd, Great River | 07/11/2024 | ||
| 8 Wilton CT, Great River | 09/13/2023 | $10 | |
| 4 Russett Ln, Great River | 1,369 | ||
| 363 Woodhollow Rd, Great River | |||
| 140 River Rd, East Islip | 2,313 | 12/18/2017 | $512,500 |
| 64 River Rd, East Islip | 4,345 | 09/13/2019 | $965,000 |