| Primary address | 18 Slate Lane, Islandia |
| Zip code | 11749 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 13-2-55 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/07/2022 |
| Sale price | $480,000 |
| Arm's length | Register |
| Property tax | $10,324 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.26 |
| Year built | 1965 |
| 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:
18 Slate Lane, Islandia, NY 11749 was built in 1965.
What is the assessed value of 18 Slate Lane, Islandia, NY 11749 and the property tax paid?Assessed at $34,700, the tax amount paid for 18 Slate Lane, Islandia, NY 11749 is $10,324.
When was 18 Slate Lane, Islandia, NY 11749 last sold and what was the last sale price?18 Slate Lane, Islandia, NY 11749 was last sold in 09/07/2022 for $480,000.
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 18 Slate Lane, 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 18 Slate Lane, Islandia, NY 11749. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,324 |
| Market value | $488,732 |
| Assessed value | $34,700 |
Here's the assessment & property tax history for 18 Slate Lane, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $488,732 | $34,700 | 29.753 | $10,324 | +2.86% |
| 2024-2025 | $488,732 | $34,700 | 28.927 | $10,038 | +5.86% |
| 2023-2024 | $476,648 | $34,700 | 27.326 | $9,482 | +1.88% |
| 2022-2023 | $406,401 | $33,650 | 27.658 | $9,307 | +0.81% |
| 2021-2022 | $362,608 | $33,650 | 27.436 | $9,232 | -2.91% |
The complete history of permits filed for 18 Slate Lane, 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 18 Slate Lane, 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 18 Slate Lane, 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 | 0.32 |
| Charles A Mulligan School | 4 | Public | K-6 | 981 | 1.36 |
| Francis J O Neill School | 5 | Public | K-6 | 614 | 1.67 |
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 1.69 |
| Marguerite L Mulvey School | 5 | Public | K-6 | 526 | 1.87 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Gersh Academy | NR | Private | 6-12 | 0 | 1.16 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.22 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.97 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 2.00 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.01 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Gersh Academy | NR | Private | 6-12 | 0 | 1.16 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.93 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.01 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.27 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.56 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 Slate Lane, Islandia.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 118 Scotch Pine Dr, Islandia | 07/21/2016 | ||
| 11 Scotch Pine Dr, Islandia | 2,050 | 07/31/2007 | |
| 34 Winding Ln, Islandia | 03/09/2009 | $10,000 | |
| 21 Halsey St, Islandia | 08/31/2005 | ||
| 145 Dewey St, Islandia | 12/20/2023 | ||
| 17 Oakforest Dr, Islandia | 06/08/2005 | $389,000 | |
| 14 Split Cedar Dr, Islandia | 07/23/2025 | $455,000 | |
| 23 Sand Ln, Islandia | 05/13/2013 | ||
| 50 Corporate Plz, Islandia | 01/02/2026 | $850,000 | |
| 4 Oval Dr, Islandia | 43,385 | 03/13/2014 | $2,850,000 |
| 135 Dewey St, Islandia | 1,231 | 12/20/2023 | |
| 54 Sampson Ave, Islandia | 08/10/2005 | $411,990 | |
| 135 Split Cedar Dr, Islandia | 2,564 | 06/25/2019 | $372,000 |
| 1900 Veterans Memorial Hwy, Islandia | 15,060 | 10/23/2019 | $8,960,330 |
| 55 Sagebrush Ln, Islandia | 1,752 | 09/24/2019 | $404,920 |
| 108 Split Cedar Dr, Islandia | 1,884 | 05/30/2017 | $198,975 |
| 2929 Express Dr N, Islandia | 165,000 | 07/14/2005 | $15,100,000 |
| 175 Silverleaf Ln, Islandia | 1,800 | 09/19/2018 | |
| 7 Gooseberry Ln, Islandia | 10/23/2014 | $525,000 | |
| 1210 Nichols Rd, Islandia | 02/28/2005 |