| Primary address | 340 Main Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 370-3-18 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $0 |
| Building class | Religious (620) |
| Acreage | 1.3 |
| 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:
Assessed at $163,900, the tax amount paid for 340 Main Street, Islip, NY 11751 is $76,218.
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 340 Main Street, Islip, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 340 Main 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 | $76,218 |
| Current property tax | $0 |
| Market value | $2,308,450 |
| Assessed value | $163,900 |
Here's the assessment & property tax history for 340 Main 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 | $2,308,450 | $163,900 | 40.799 | $66,870 | -1.35% |
| 2023-2024 | $2,251,374 | $163,900 | 41.357 | $67,784 | -2.03% |
| 2022-2023 | $1,979,469 | $163,900 | 42.213 | $69,187 | +4.32% |
| 2021-2022 | $1,766,164 | $163,900 | 40.466 | $66,324 | -0.71% |
| 2020-2021 | $1,689,691 | $163,900 | 40.757 | $66,801 | +6.26% |
The complete history of permits filed for 340 Main 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.
| Total population | 13,726 |
| Median age | 45.6 |
| Average household income | $136,601 |
| Family households | 67.4% |
| Occupied housing units | 5,040 |
| Owner occupied units | 83.4% |
| Average number of people per household | 2.71 |
| Median year structure built | 1965 |
| Median value for units with a mortgage | $586,500 |
| Median value for units without a mortgage | $514,700 |
Create a free account to unlock extended information for 340 Main 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 340 Main Street, Islip to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
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Here are the neighbors for 340 Main Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 14 Cedar Ave, Islip | |||
| 31 Cedar Ave, Islip | |||
| 38 Church Ave, Islip | 2,092 | 04/11/2022 | $540,000 |
| 43 Church Ave, Islip | 2,377 | 11/10/2020 | $769,000 |
| 29 Ocean Ave, Islip | 1,040 | 12/16/2021 | |
| 78 Locust Ave, Islip | 1,427 | 04/07/2017 | |
| 47 Church Ave, Islip | 12/12/2022 | ||
| 28 Nassau Ave, Islip | 10/08/1996 | $190,000 | |
| 29 Cedar Ave, Islip | 09/16/2015 | ||
| 655 Main St, Islip | |||
| 24 Nassau Ave, Islip | |||
| 350 Main St, Islip | 12/15/2020 | $8,172,607 | |
| 230 Main St, Islip | 01/01/2014 | ||
| 22 Smith Ave, Islip | 12/08/1998 | $95,000 | |
| 20 Marvin Ln, Islip | |||
| 625 Montauk Hwy, Islip | |||
| 30 Church Ave, Islip | 11/23/2016 | $435,000 | |
| 10 Cedar Ave, Islip | 08/23/1994 | $110,000 | |
| 19 McKinley St, Islip | 05/27/2014 | $355,000 |