| Primary address | 3521 Union Boulevard, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 348-1-61 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/21/2002 |
| Sale price | $240,000 |
| Arm's length | Register |
| Current property tax | $14,676 |
| Building sqft | 2,602 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.34 |
| Year built | 2007 |
| 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:
3521 Union Boulevard, East Islip, NY 11730 was built in 2007 and has a total of 2,602 square feet.
What is the assessed value of 3521 Union Boulevard, East Islip, NY 11730 and the property tax paid?Assessed at $55,300, the tax amount paid for 3521 Union Boulevard, East Islip, NY 11730 is $15,460.
When was 3521 Union Boulevard, East Islip, NY 11730 last sold?3521 Union Boulevard, East Islip, NY 11730 was last sold in 12/20/2017.
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 3521 Union Boulevard, East Islip, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 3521 Union Boulevard, 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 | $15,460 |
| Current property tax | $14,676 |
| Market value | $778,873 |
| Assessed value | $55,300 |
Here's the assessment & property tax history for 3521 Union Boulevard, 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 | $778,873 | $55,300 | 26.849 | $14,847 | +2.69% |
| 2023-2024 | $759,615 | $55,300 | 26.145 | $14,458 | +0.84% |
| 2022-2023 | $667,874 | $55,300 | 25.927 | $14,338 | -0.72% |
| 2021-2022 | $595,905 | $55,300 | 26.114 | $14,441 | +2.36% |
| 2020-2021 | $570,103 | $55,300 | 25.513 | $14,109 | -20.34% |
The complete history of permits filed for 3521 Union Boulevard, 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 3521 Union Boulevard, 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 3521 Union Boulevard, 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) |
|---|---|---|---|---|---|
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 0.30 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 0.30 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.31 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.31 |
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 1.05 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Islip Middle School | 6 | Public | 6-8 | 804 | 0.91 |
| St Mary School | NR | Private | PK-8 | 413 | 1.28 |
| Oakdale Bohemia Middle School | 6 | Public | 6-8 | 634 | 2.41 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.49 | |
| Islip Middle School | 4 | Public | 6-8 | 641 | 2.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Islip High School | 8 | Public | 9-12 | 1,145 | 1.03 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.49 | |
| Islip High School | 9 | Public | 9-12 | 892 | 2.59 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 3.69 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 4.20 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 3521 Union Boulevard, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 94 Babylon St, Islip Terrace | 05/16/2005 | $420,000 | |
| 123 Sayville Blvd, Sayville | 07/28/1998 | $212,000 | |
| 19 Morris St, Brentwood | 04/01/2010 | $250,000 | |
| 1638 Louis Kossuth Ave, Bohemia | 08/12/2024 | ||
| 1146 Bay Shore Ave, Bay Shore | 05/04/2005 | ||
| 49 Jackson Ave, Brentwood | 05/29/2025 | ||
| 325 Irving St, Central Islip | 08/20/1999 | ||
| 2553 Motor Pkwy, Ronkonkoma | 09/03/1998 | $108,500 | |
| 14 Bay Shore Rd, West Islip | 02/12/1998 | ||
| 66 Edgewater Ave, Bayport | 12/09/1997 | ||
| 153 Pace Dr S, West Islip | 11/26/2012 | $1,200,000 | |
| 14 Arleen Ave, Holbrook | 05/13/1998 | ||
| 708 Sylvan Ave, Bayport | 02/13/1998 | $151,000 | |
| 325 N Bayport Ave, Bayport | 03/10/1999 | ||
| 33 The Helm, East Islip | 03/16/2015 | $760,000 | |
| 3 Michele Ln, Hauppauge | 08/12/2013 | $850,000 | |
| 514 Sycamore Ave, Oakdale | 12/24/1997 | $135,000 | |
| 69 Walbridge Ave, Bay Shore | 04/27/2005 | $319,300 | |
| 99 Connetquot Dr, Oakdale | 07/28/2011 | $522,500 | |
| 5 Vita Dr, Central Islip | 03/13/1998 | $85,000 |