| Primary address | 199 Union Avenue, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 396-5-31 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/10/2020 |
| Sale price | $55,013 |
| Arm's length | Register |
| Current property tax | $13,776 |
| Building sqft | 1,806 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.22 |
| Year built | 1969 |
| 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:
199 Union Avenue, Islip, NY 11751 was built in 1969 and has a total of 1,806 square feet.
What is the assessed value of 199 Union Avenue, Islip, NY 11751 and the property tax paid?Assessed at $46,500, the tax amount paid for 199 Union Avenue, Islip, NY 11751 is $14,677.
When was 199 Union Avenue, Islip, NY 11751 last sold and what was the last sale price?199 Union Avenue, Islip, NY 11751 was last sold in 12/10/2020 for $55,013.
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 199 Union Avenue, 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 199 Union Avenue, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $14,677 |
| Current property tax | $13,776 |
| Market value | $654,930 |
| Assessed value | $46,500 |
Here's the assessment & property tax history for 199 Union Avenue, 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 | $654,930 | $46,500 | 30.486 | $14,176 | +3.73% |
| 2023-2024 | $638,737 | $46,500 | 29.39 | $13,666 | +1.68% |
| 2022-2023 | $561,594 | $46,500 | 28.904 | $13,440 | +0.07% |
| 2021-2022 | $501,078 | $46,500 | 28.884 | $13,431 | +3.07% |
| 2020-2021 | $479,381 | $46,500 | 28.023 | $13,031 | -26.94% |
The complete history of permits filed for 199 Union Avenue, 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 199 Union Avenue, 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 199 Union Avenue, 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) |
|---|---|---|---|---|---|
| Maud S Sherwood Elementary School | 6 | Public | 2-5 | 335 | 0.28 |
| St Mary School | NR | Private | PK-8 | 413 | 0.96 |
| St Mary School | NR | Private | PK-8 | 413 | 0.96 |
| Wing Elementary School | NR | Public | K-1 | 379 | 1.30 |
| John F Kennedy Elementary School | 5 | Public | 3-5 | 450 | 1.30 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.74 |
| St Mary School | NR | Private | PK-8 | 413 | 0.96 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.80 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.44 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 2.46 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.78 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.30 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.50 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.88 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 4.19 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 199 Union Avenue, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 18 Loraine St, Brentwood | 1,492 | 08/14/2015 | $240,000 |
| 258 Atlantic St, Central Islip | 1,176 | 04/06/2022 | |
| 73 Timberline Dr, Brentwood | 11/03/2010 | $110,000 | |
| 52 Kansas Ave, Bay Shore | 1,526 | 08/05/2020 | $465,000 |
| 371 Hancock St, Brentwood | 08/26/2004 | ||
| 77 Timber Point Rd, Great River | 2,560 | 12/31/2019 | $475,000 |
| 46 38th St, Islip | 07/11/2014 | $340,000 | |
| 121 Matthews Rd, Oakdale | 07/31/2002 | $300,000 | |
| 84 Lincoln Ave, Brentwood | 07/30/2002 | $203,000 | |
| 33 A Homan Ave, Bay Shore | 07/12/2002 | $163,770 | |
| 234 Newman St, Brentwood | 01/31/2025 | $630,000 | |
| 7 Sparrow Pl, Brentwood | 07/22/2002 | ||
| 12 Hillsite Ln, Central Islip | 07/09/2002 | $168,000 | |
| 35 Granby Pl, Ronkonkoma | 08/17/2012 | $260,000 | |
| 1 Madison Ave, Brentwood | 04/25/2006 | $371,000 | |
| 101 Gainsborough Rd, Holbrook | 09/01/2009 | $350,000 | |
| 5 Sunwood Cir, Central Islip | 1,400 | 10/25/2021 | $390,000 |
| 161 Charter Oaks Ave, Brentwood | 1,756 | 12/14/2021 | $430,000 |
| 244 W 5th St, West Islip | 08/02/2002 | $255,500 | |
| 156 N Colony Dr, Holbrook | 08/28/2025 | $665,000 |