| Primary address | 42 River Street, Sayville |
| Zip code | 11782 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 409-5-9 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $13,195 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.59 |
| Zoning district | Register |
| School district | Sayville |
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 $45,150, the tax amount paid for 42 River Street, Sayville, NY 11782 is $13,596.
When was 42 River Street, Sayville, NY 11782 last sold?42 River Street, Sayville, NY 11782 was last sold in 11/17/2009.
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 42 River Street, Sayville, including title documents, transfer conditions, mortgages and liens.
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 42 River Street, Sayville, NY 11782. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $13,597 |
| Current property tax | $13,195 |
| Market value | $635,915 |
| Assessed value | $45,150 |
Here's the assessment & property tax history for 42 River Street, Sayville, 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 | $635,915 | $45,150 | 28.936 | $13,065 | +5.54% |
| 2023-2024 | $620,192 | $45,150 | 27.418 | $12,379 | +2.17% |
| 2022-2023 | $545,290 | $45,150 | 26.836 | $12,116 | -0.83% |
| 2021-2022 | $486,530 | $45,150 | 27.061 | $12,218 | +1.27% |
| 2020-2021 | $465,464 | $45,150 | 26.722 | $12,065 | -25.83% |
The complete history of permits filed for 42 River Street, Sayville, 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 42 River Street, Sayville, 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 42 River Street, Sayville 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) |
|---|---|---|---|---|---|
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 0.63 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 0.63 |
| Academy Street Elementary School | 9 | Public | K-5 | 303 | 1.11 |
| Cherry Avenue Elementary School | 7 | Public | K-5 | 354 | 1.17 |
| West Sayville Christian School | NR | Private | K-9 | 37 | 1.18 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 0.63 |
| West Sayville Christian School | NR | Private | K-9 | 37 | 1.18 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 2.15 |
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 2.34 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.82 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sayville High School | 9 | Public | 9-12 | 880 | 1.02 |
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 1.39 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.82 | |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 4.94 |
| Eastern Suffolk Boces | NR | Public | K-12 | 1,721 | 5.45 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 42 River Street, Sayville.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1 Browns Crk, Bayport | |||
| 85 Terry St, Sayville | 05/22/2018 | $350,000 | |
| 31 Browns River Road 2, Bayport | 1,705 | 07/29/2021 | |
| 61 Terry St, Sayville | 1,606 | 11/13/2020 | |
| 55 Browns River Road 2, Bayport | 07/20/2016 | $600,000 | |
| 25 Woodland Dr, Bayport | 2,289 | 09/29/2016 | |
| 31 Woodland Dr, Bayport | 12/05/2011 | $410,699 | |
| 26 River St, Sayville | |||
| 45 Terry St, Sayville | |||
| 2 Demarre Ln, Bayport | 09/23/2016 | $1,290,000 | |
| 8 Demarre Ln, Bayport | |||
| 32 Terry St, Sayville | 04/29/2024 | ||
| 11 Terry St, Sayville | 1,574 | 12/12/2019 | |
| 75 Terry St, Sayville | |||
| 21 Woodland Dr, Bayport | 1,345 | 04/29/2019 | $190,000 |
| 14 Terry St, Sayville | 08/11/2023 | $695,000 | |
| 80 Willow St, Sayville | |||
| 51 Browns River Road 2, Bayport | 04/13/2023 | ||
| 51 Terry St, Sayville | 07/17/1997 | $95,000 | |
| 61 Browns River Road 2, Bayport |