| Primary address | 50 Dean Street, Islandia |
| Zip code | 11749 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 17-2-36 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/28/1997 |
| Sale price | $130,000 |
| Arm's length | Register |
| Property tax | $10,443 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.34 |
| Zoning district | Register |
| School district | Central 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 $35,100, the tax amount paid for 50 Dean Street, Islandia, NY 11749 is $10,443.
When was 50 Dean Street, Islandia, NY 11749 last sold?50 Dean Street, Islandia, NY 11749 was last sold in 10/29/2001.
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 50 Dean Street, Islandia, 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 50 Dean Street, Islandia, NY 11749. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,443 |
| Market value | $494,366 |
| Assessed value | $35,100 |
Here's the assessment & property tax history for 50 Dean Street, Islandia, 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 | $494,366 | $35,100 | 28.927 | $10,153 | +5.86% |
| 2023-2024 | $482,143 | $35,100 | 27.326 | $9,591 | -1.20% |
| 2022-2023 | $423,913 | $35,100 | 27.658 | $9,708 | +0.81% |
| 2021-2022 | $378,233 | $35,100 | 27.436 | $9,630 | -2.91% |
| 2020-2021 | $361,856 | $35,100 | 28.259 | $9,919 | +3.88% |
The complete history of permits filed for 50 Dean Street, Islandia, 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 50 Dean Street, Islandia, 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 50 Dean Street, Islandia 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) |
|---|---|---|---|---|---|
| Andrew T Morrow School | 3 | Public | K-6 | 795 | 0.54 |
| Charles A Mulligan School | 4 | Public | K-6 | 981 | 1.34 |
| Francis J O Neill School | 5 | Public | K-6 | 614 | 1.60 |
| Marguerite L Mulvey School | 5 | Public | K-6 | 526 | 1.67 |
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 1.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.27 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.44 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.82 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.94 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.28 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Gersh Academy | NR | Private | 6-12 | 0 | 1.44 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.99 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.00 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.28 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.70 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 50 Dean Street, Islandia.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 196 Serpentine Ln, Islandia | 02/18/2004 | ||
| 208 Serpentine Ln, Islandia | 02/24/2003 | $224,400 | |
| 200 Serpentine Ln, Islandia | 1,854 | 12/01/2020 | $392,000 |
| 18 Oakforest Dr, Islandia | 10/11/2016 | $280,900 | |
| 14 Slate Ln, Islandia | 2,324 | 11/19/2021 | $460,000 |
| 127 Split Cedar Dr, Islandia | 2,060 | 11/12/2021 | $450,000 |
| 98 Sampson Ave, Islandia | 01/28/2003 | $337,700 | |
| 83 Shafter St, Islandia | 01/10/2005 | ||
| 83 Split Cedar Dr, Islandia | 09/09/2022 | $550,000 | |
| 12 Snowberry Ln, Islandia | 08/22/2006 | ||
| 155 Sunflower Ln, Islandia | 03/04/2015 | $160,000 | |
| 151 Sunflower Ln, Islandia | 05/09/2025 | $600,000 | |
| 94 Sampson Ave, Islandia | 2,217 | 03/11/2021 | |
| 2074 Motor Pkwy, Islandia | 05/14/2025 | $675,000 | |
| 16 Slate Ln, Islandia | 10/16/2015 | $295,000 | |
| 99 Scotch Pine Dr, Islandia | 03/20/2018 | ||
| 172 Sunflower Ln, Islandia | 05/17/2006 | $394,850 | |
| 11 Hancock St, Islandia | 02/04/2011 | $272,500 | |
| 136 Silverleaf Ln, Islandia | 05/07/2010 | ||
| 1966 Veterans Memorial Hwy, Islandia | 5,300 | 11/24/2020 | $8,800,000 |