| Primary address | 400 Union Boulevard, West Islip |
| Zip code | 11795 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 455-3-75.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $451,307 |
| Building sqft | 68,951 |
| Building class | Area of Neighborhood Shopping Centers (452) |
| Acreage | 6.37 |
| Year built | 1973 |
| Zoning district | Register |
| School district | West 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:
This Area of Neighborhood Shopping Centers (452) located at 400 Union Boulevard, West Islip, NY 11795 has a total of 68,951 square feet.
What is the year built & the current market value of 400 Union Boulevard, West Islip, NY 11795?400 Union Boulevard, West Islip, NY 11795 was built in 1973 and has a current tax assessor's market value of $15,180,282.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 05/12/2020 |
| Last updated | 01/23/2025 |
| Lot size | 6.37 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 400 Union Blvd | Retail | Listing price not available | 1,802 | William Diakakis |
Create a free account to view the complete sales history for 400 Union Boulevard, West Islip, 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 400 Union Boulevard, West Islip, NY 11795. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $451,307 |
| Market value | $15,180,282 |
| Assessed value | $1,077,800 |
Here's the assessment & property tax history for 400 Union Boulevard, West 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 | $15,180,282 | $1,077,800 | 28.23 | $304,263 | -19.84% |
| 2023-2024 | $14,804,945 | $1,077,800 | 35.217 | $379,569 | -7.21% |
| 2022-2023 | $13,016,908 | $1,077,800 | 37.954 | $409,068 | +5.49% |
| 2021-2022 | $11,614,224 | $1,077,800 | 35.98 | $387,792 | +0.76% |
| 2020-2021 | $11,111,340 | $1,077,800 | 35.709 | $384,872 | +5.89% |
The complete history of permits filed for 400 Union Boulevard, West 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 | 25,379 |
| Median age | 38.1 |
| Average household income | $205,310 |
| Family households | 81.0% |
| Occupied housing units | 8,011 |
| Owner occupied units | 94.8% |
| Average number of people per household | 3.14 |
| Median year structure built | 1961 |
| Median value for units with a mortgage | $616,700 |
| Median value for units without a mortgage | $627,500 |
Create a free account to unlock extended information for 400 Union Boulevard, West 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 400 Union Boulevard, West 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 400 Union Boulevard, West Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1421 Penataquit Ave, Bay Shore | 10/14/2005 | ||
| 14 Wichard Dr, Oakdale | 03/05/2009 | $315,000 | |
| 20 Sequoia Way, Holbrook | 10/18/2013 | ||
| 133 Broadway Ave, Brentwood | 1,820 | 02/02/2021 | $410,000 |
| 288 Easton St, Ronkonkoma | 02/20/2006 | ||
| 3457 Union Blvd, East Islip | 1,496 | 02/28/2017 | $255,000 |
| 36 Storey Ave, Central Islip | 07/25/2007 | ||
| 7 Bluff Cir, Hauppauge | 04/15/2013 | $385,000 | |
| 1321 N Windsor Ave, Bay Shore | 11/14/2016 | ||
| 97 Manhattan Blvd, Islip Terrace | 960 | 06/19/2008 | |
| 115 Otis Rd, Islip Terrace | 2,811 | 11/03/2023 | $699,000 |
| 1389 Brooklyn Blvd, Bay Shore | 1,498 | 06/28/2019 | $1,000 |
| 209 Leaf Ave, Central Islip | 08/23/2013 | $142,800 | |
| 19 Wilbur St, Bay Shore | 02/13/2006 | $362,000 | |
| 492 3rd Ave, Bayport | 02/05/2015 | ||
| 328 Thrift St, Ronkonkoma | 10/06/2010 | $299,900 | |
| 698 Montauk Hwy, Bayport | 10/15/2013 | $1,500,000 | |
| 267 Storm Dr, Holtsville | 827 | 08/07/2019 | $264,500 |
| 608 Spur Dr N, Bay Shore | 1,936 | 04/24/2025 | $700,000 |
| 68 Fuller Ave, Islip | 1,820 | 01/28/2021 | $495,000 |