| Primary address | 450 Prospect Avenue, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 76-4-48 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/19/2001 |
| Sale price | $192,000 |
| Arm's length | Register |
| Current property tax | $9,716 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.45 |
| 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 $34,800, the tax amount paid for 450 Prospect Avenue, Central Islip, NY 11722 is $10,607.
When was 450 Prospect Avenue, Central Islip, NY 11722 last sold and what was the last sale price?450 Prospect Avenue, Central Islip, NY 11722 was last sold in 03/19/2001 for $192,000.
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 450 Prospect Avenue, Central 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 450 Prospect Avenue, 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 | $10,607 |
| Current property tax | $9,716 |
| Market value | $490,141 |
| Assessed value | $34,800 |
Here's the assessment & property tax history for 450 Prospect Avenue, 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 | $490,141 | $34,800 | 29.569 | $10,290 | +5.71% |
| 2023-2024 | $478,022 | $34,800 | 27.973 | $9,735 | -1.12% |
| 2022-2023 | $420,289 | $34,800 | 28.29 | $9,845 | +0.97% |
| 2021-2022 | $375,000 | $34,800 | 28.019 | $9,751 | -2.89% |
| 2020-2021 | $358,763 | $34,800 | 28.854 | $10,041 | +3.66% |
The complete history of permits filed for 450 Prospect Avenue, 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 450 Prospect Avenue, 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 450 Prospect Avenue, 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) |
|---|---|---|---|---|---|
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.91 |
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.91 |
| East Elementary School | NR | Public | PK, K | 507 | 0.93 |
| East Elementary School | NR | Public | PK, K | 507 | 0.93 |
| Northeast Elementary School | 4 | Public | 1-5 | 942 | 1.06 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| East Middle School | 4 | Public | 6-8 | 1,159 | 0.99 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 1.26 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 1.62 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.72 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 2.29 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 0.91 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.72 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.20 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.28 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.38 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 450 Prospect Avenue, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 918 Ferndale Blvd, Central Islip | 2,160 | 11/12/2020 | $450,000 |
| 53 Stockton St, Brentwood | 09/18/2003 | ||
| 268 Higbie Ln, West Islip | 12/09/1993 | $483,333 | |
| 1566 Feuereisen Ave, Bohemia | 02/14/1997 | $133,000 | |
| 89 Leopold Ave, West Islip | 10/18/1993 | $1,000 | |
| 37 Spence Ave, Holtsville | 12/17/1993 | $120,000 | |
| 1429 Ohio Ave, Bay Shore | 04/06/2000 | $165,000 | |
| 182 Thunder Rd, Holbrook | 03/13/1997 | $165,000 | |
| 1098 Hyman Ave, Bay Shore | 2,075 | 01/18/2018 | |
| 3 N Peters Blvd, Central Islip | 12/31/1993 | ||
| 436 Greenbelt Pkwy, Holtsville | 09/16/2025 | $782,000 | |
| 48 Burling Ln, West Islip | 11/09/1993 | $155,000 | |
| 5 Lawrence CT, Bay Shore | 08/12/1993 | ||
| 181 Dakota Ave, Bay Shore | 09/30/2010 | ||
| 326 Aster Rd, West Islip | 2,272 | 06/27/2024 | $750,000 |
| 300 Rockaway St, Islip Terrace | 1,296 | 06/09/2017 | $410,000 |
| 25 Grouse Dr, Brentwood | 02/26/2002 | ||
| 12 Lilmar Dr, Islip Terrace | 01/10/2018 | ||
| 138 Thunder Rd, Holbrook | 12/16/1993 | ||
| 1742 Manatuck Blvd, Bay Shore | 02/02/2012 | $243,800 |