401 Main Street, Islip, NY 11751 Property Information
401 Main Street, Islip, NY 11751 Property Information
- General
- Owner
- Documents
- Tax
- Permits
- Neighborhood
Address
| Primary address | 401 Main Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 370-1-66 |
Sales & Tax Overview for 401 Main Street, Islip
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $0 |
Lot & Building Information for 401 Main Street, Islip
| Building class | Office Building (652) |
| Acreage | 8.34 |
Zoning, Use & Area Overview
| Zoning district | Register |
| School district | Islip |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Other Property Data for 401 Main Street, Islip
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
- • Improvements for 401 Main Street, Islip , including their type, square footage, grade and when they were built.
- • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 401 Main Street, Islip
The current market value is $14,438,028.
Ownership Information
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Past Sales & Property History for 401 Main Street, Islip
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No recorded sales for this property.
Title Documents for 401 Main Street, Islip
Data not available for this property.
Property Taxes for 401 Main Street, Islip
Access detailed property tax data for 401 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 | $476,702 |
| Current property tax | $0 |
| Market value | $14,438,028 |
| Assessed value | $1,025,100 |
Assessment History for 401 Main Street, Islip
Here's the assessment & property tax history for 401 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 | $14,438,028 | $1,025,100 | 40.799 | $418,231 | -1.35% |
| 2023-2024 | $14,081,044 | $1,025,100 | 41.357 | $423,951 | -2.03% |
| 2022-2023 | $12,380,435 | $1,025,100 | 42.213 | $432,725 | +4.32% |
| 2021-2022 | $11,046,336 | $1,025,100 | 40.466 | $414,817 | -0.71% |
| 2020-2021 | $10,568,041 | $1,025,100 | 40.757 | $417,800 | +6.26% |
Permits for 401 Main Street, Islip
The complete history of permits filed for 401 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.
Data not available for this property.
Demographics by Zip Code
| 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 |
Risk
Create a free account to unlock extended information for 401 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) |
Transportation
Access the detailed traffic volume map for 401 Main 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 |
Neighbors for 401 Main Street, Islip
Here are the neighbors for 401 Main Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 80 Grant Ave, Islip | 12/30/2022 | $700,000 | |
| 24 McKinley St, Islip | 05/08/2025 | $577,000 | |
| 68 Pardee Ave, Islip | |||
| 66 Grant Ave, Islip | 12/03/2013 | $241,000 | |
| 48 Grant Ave, Islip | 07/23/2024 | ||
| 90 Grant Ave, Islip | 2,157 | 04/09/2021 | |
| 425 Main St, Islip | |||
| 8 Dwight CT, Islip | 08/10/2022 | $489,000 | |
| 85 N Ocean Ave, Islip | 01/26/2011 | $247,000 | |
| 76 Grant Ave, Islip | 03/05/2024 | ||
| 16 Grant Ave, Islip | |||
| 48 N Ocean Ave, Islip | 06/30/2011 | $340,000 | |
| 95 Grant Ave, Islip | 11/20/2024 | $625,000 | |
| 24 Pardee Ave, Islip | 03/21/2024 | $1,950,000 | |
| 56 N Ocean Ave, Islip | |||
| 375 Main St, Islip | 01/20/2005 | $147,000 | |
| 66 Pardee Ave, Islip | 976 | 08/22/2022 | $447,500 |
| 309 Main St, Islip | 8,819 | 03/21/2024 | $1,950,000 |
| 66 N Ocean Ave, Islip | 07/23/2025 | ||
| 97 N Ocean Ave, Islip | 10/08/1993 | $90,000 |