| Primary address | 9 Prospect Street, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 101-2-7 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $8,771 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.25 |
| 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).
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Assessed at $31,700, the tax amount paid for 9 Prospect Street, Central Islip, NY 11722 is $9,662.
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 9 Prospect Street, Central Islip, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 9 Prospect Street, Central Islip, NY 11722. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $9,662 |
| Current property tax | $8,771 |
| Market value | $446,479 |
| Assessed value | $31,700 |
Here's the assessment & property tax history for 9 Prospect Street, Central 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 | $446,479 | $31,700 | 29.569 | $9,373 | +5.71% |
| 2023-2024 | $435,439 | $31,700 | 27.973 | $8,867 | -1.12% |
| 2022-2023 | $382,851 | $31,700 | 28.29 | $8,968 | +0.97% |
| 2021-2022 | $341,595 | $31,700 | 28.019 | $8,882 | -2.89% |
| 2020-2021 | $326,804 | $31,700 | 28.854 | $9,147 | +3.66% |
The complete history of permits filed for 9 Prospect Street, Central 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 9 Prospect Street, Central 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 9 Prospect Street, Central 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) |
|---|---|---|---|---|---|
| Andrew T Morrow School | 3 | Public | K-6 | 795 | 0.83 |
| Charles A Mulligan School | 4 | Public | K-6 | 981 | 0.91 |
| Marguerite L Mulvey School | 5 | Public | K-6 | 526 | 1.06 |
| Francis J O Neill School | 5 | Public | K-6 | 614 | 1.07 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.40 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 0.97 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.40 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.65 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 2.21 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.47 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 1.65 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.65 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.06 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.41 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 3.01 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 Prospect Street, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 257 Southport St, Ronkonkoma | |||
| 52 Bayonne Ave, Central Islip | 1,391 | 12/06/2021 | $455,000 |
| 269 Southport St, Ronkonkoma | 11/20/1997 | $159,500 | |
| 26 Bayonne Ave, Central Islip | 2,128 | 01/07/2022 | |
| 11 Prospect St, Central Islip | 09/06/2023 | $450,000 | |
| 7 Bayonne Ave, Central Islip | 3,024 | 09/23/2021 | |
| 1272 Connetquot Ave, Central Islip | 1,601 | 05/31/2024 | $535,000 |
| 278 Thrift St, Ronkonkoma | 08/17/2015 | $325,000 | |
| 275 Southport St, Ronkonkoma | 1,546 | 01/28/2022 | |
| 23 Bayonne Ave, Central Islip | |||
| 242 Thrift St, Ronkonkoma | 01/04/2024 | ||
| 20 17th Ave, Ronkonkoma | |||
| 271 Southport St, Ronkonkoma | 07/22/2011 | $412,500 | |
| 72 Woodland Ave, Central Islip | 06/20/1996 | ||
| 15 Bayonne Ave, Central Islip | 10/06/2009 | ||
| 44 18th Ave, Ronkonkoma | 11/29/2012 | $319,990 | |
| 1282 Connetquot Ave, Central Islip | 1,440 | 12/19/2025 | $275,873 |
| 28 Bayonne Ave, Central Islip | 12/02/2004 | ||
| 282 Thrift St, Ronkonkoma | |||
| 4 Bayonne Ave, Central Islip | 01/05/2023 | $550,000 |