| Primary address | 20 St Marks Circle, Islandia |
| Zip code | 11749 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 17-2-52 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/27/2009 |
| Sale price | $242,000 |
| Arm's length | Register |
| Current property tax | $9,909 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.28 |
| 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:
20 St Marks Circle, Islandia, NY 11749 was built in 1965.
What is the assessed value of 20 St Marks Circle, Islandia, NY 11749 and the property tax paid?Assessed at $36,300, the tax amount paid for 20 St Marks Circle, Islandia, NY 11749 is $10,800.
When was 20 St Marks Circle, Islandia, NY 11749 last sold and what was the last sale price?20 St Marks Circle, Islandia, NY 11749 was last sold in 05/27/2009 for $242,000.
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 20 St Marks Circle, Islandia, 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 20 St Marks Circle, Islandia, NY 11749. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $10,800 |
| Current property tax | $9,909 |
| Market value | $511,268 |
| Assessed value | $36,300 |
Here's the assessment & property tax history for 20 St Marks Circle, 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 | $511,268 | $36,300 | 28.927 | $10,501 | +5.86% |
| 2023-2024 | $498,626 | $36,300 | 27.326 | $9,919 | -1.20% |
| 2022-2023 | $438,406 | $36,300 | 27.658 | $10,040 | +0.81% |
| 2021-2022 | $391,164 | $36,300 | 27.436 | $9,959 | -2.91% |
| 2020-2021 | $374,227 | $36,300 | 28.259 | $10,258 | +3.88% |
The complete history of permits filed for 20 St Marks Circle, 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 20 St Marks Circle, 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 20 St Marks Circle, 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 | 0.53 |
| Charles A Mulligan School | 4 | Public | K-6 | 981 | 1.23 |
| Francis J O Neill School | 5 | Public | K-6 | 614 | 1.49 |
| Marguerite L Mulvey School | 5 | Public | K-6 | 526 | 1.56 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.82 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.17 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.43 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.82 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.92 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.27 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Gersh Academy | NR | Private | 6-12 | 0 | 1.43 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.89 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.03 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.26 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.81 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 St Marks Circle, Islandia.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 15 Gooseberry Ln, Islandia | 2,768 | 07/26/2019 | $360,000 |
| 3180 Express Dr S, Islandia | 44,907 | 06/16/2004 | $2,416,000 |
| 867 Old Nichols Rd, Islandia | 08/22/2018 | $700,000 | |
| 66 Scotch Pine Dr, Islandia | 06/07/2019 | $310,000 | |
| 79 Snowberry Ln, Islandia | 05/09/2014 | $272,500 | |
| 41 Straw Ln, Islandia | 1,776 | 12/23/2016 | $260,000 |
| 50 Snowberry Ln, Islandia | 2,160 | 01/08/2024 | $565,000 |
| 169 Sunflower Ln, Islandia | 04/05/2025 | ||
| 75 Snowberry Ln, Islandia | 2,324 | 03/07/2023 | |
| 76 Split Cedar Dr, Islandia | 2,088 | 10/21/2020 | $430,000 |
| 174 Johnson Ave, Islandia | 06/02/2004 | $390,000 | |
| 180 Oval Dr, Islandia | 21,146 | 06/16/2014 | $1,725,000 |
| 84 Sagebrush Ln, Islandia | 1,212 | 10/29/2020 | $378,500 |
| 40 Sycora Ln, Islandia | 07/31/2012 | $245,000 | |
| 117 S Bedford Ave, Islandia | 08/18/2004 | $335,000 | |
| 165 Serpentine Ln, Islandia | 03/12/2021 | ||
| 167 Sunflower Ln, Islandia | 07/11/2012 | $265,000 | |
| 146 Serpentine Ln, Islandia | 07/27/2004 | $250,000 | |
| 156 Sunflower Ln, Islandia | 2,756 | 04/07/2022 | $600,000 |
| 2 Pinecone Ln, Islandia | 2,104 | 08/14/2018 | $385,000 |