| Primary address | 39 Deforest Avenue, West Islip |
| Zip code | 11795 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 472-2-61 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $11,047 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.17 |
| 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:
Assessed at $41,000, the tax amount paid for 39 Deforest Avenue, West Islip, NY 11795 is $11,874.
When was 39 Deforest Avenue, West Islip, NY 11795 last sold?39 Deforest Avenue, West Islip, NY 11795 was last sold in 04/23/2003.
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 39 Deforest Avenue, 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 39 Deforest Avenue, West Islip, NY 11795. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $11,875 |
| Current property tax | $11,047 |
| Market value | $577,465 |
| Assessed value | $41,000 |
Here's the assessment & property tax history for 39 Deforest Avenue, 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 | $577,465 | $41,000 | 27.624 | $11,326 | +3.86% |
| 2023-2024 | $563,187 | $41,000 | 26.598 | $10,905 | +1.06% |
| 2022-2023 | $495,169 | $41,000 | 26.319 | $10,791 | +0.07% |
| 2021-2022 | $441,810 | $41,000 | 26.301 | $10,783 | +2.12% |
| 2020-2021 | $422,680 | $41,000 | 25.754 | $10,559 | -23.63% |
The complete history of permits filed for 39 Deforest Avenue, 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.
Create a free account to unlock extended information for 39 Deforest Avenue, 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) | 0.2, X (See more on map) |
Access the detailed traffic volume map for 39 Deforest Avenue, West 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) |
|---|---|---|---|---|---|
| Babylon Christian School | NR | Private | PK, K-5 | 90 | 0.40 |
| Babylon Christian School | NR | Private | PK, K-5 | 90 | 0.40 |
| South Bay Jr Academy Of Sda | NR | Private | PK-8 | 56 | 0.46 |
| South Bay Jr Academy Of Sda | NR | Private | PK-8 | 56 | 0.46 |
| Paul J Bellew Elementary School | 7 | Public | PK, K-5 | 456 | 0.60 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| South Bay Jr Academy Of Sda | NR | Private | PK-8 | 56 | 0.46 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 0.61 |
| Beach Street Middle School | 6 | Public | 6-8 | 405 | 1.03 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 1.44 |
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 1.46 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 0.61 |
| West Islip Senior High School | 9 | Public | 9-12 | 1,262 | 0.83 |
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 1.23 |
| West Babylon Senior High School | 7 | Public | 9-12 | 1,247 | 1.63 |
| North Babylon High School | 6 | Public | 9-12 | 1,506 | 2.27 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 39 Deforest Avenue, West Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 63 Connecticut Ave, Bay Shore | 1,988 | 03/08/2019 | $407,000 |
| 311 Ocean Ave, Brentwood | 01/16/2025 | $615,000 | |
| 34 Willow St, Central Islip | 06/26/2008 | ||
| 135 Meroke Ln, East Islip | 04/27/1999 | ||
| 1696 Church St, Holbrook | 7,115 | 10/30/2014 | $790,000 |
| 417 Sunrise Ave, Sayville | 07/06/1999 | $185,500 | |
| 34 Springmeadow Dr, Holbrook | 07/12/1999 | $173,000 | |
| 430 Smith Ave, Islip | 2,224 | 11/20/2017 | $669,000 |
| 1690 Fairfax Ave, West Islip | 06/23/1999 | $165,500 | |
| 59 2nd Pl, Central Islip | 04/14/2006 | $468,650 | |
| 1666 Feuereisen Ave, Bohemia | 1,735 | 08/02/2016 | |
| 133 Greenwood Rd, Bay Shore | 02/21/1999 | ||
| 172 Monell Ave, Islip | 06/04/1999 | $159,000 | |
| 365 Furrows Rd, Holbrook | 08/13/2003 | $300,000 | |
| 9 Atlantis CT, West Islip | 06/22/1999 | $344,901 | |
| 613 Alwick Ave, West Islip | 06/20/2023 | ||
| 386 Whipple St, Brentwood | 06/22/1999 | $164,800 | |
| 138 Plunkett St, Brentwood | 1,713 | 06/22/2021 | |
| 28 Sequams Ln, West Islip | 1,962 | 01/18/2023 | $899,000 |
| 90 46th St, Islip | 01/27/2020 | $437,000 |