| Primary address | 9 Monsen Street, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 98-2-51 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,786 |
| 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 $28,900, the tax amount paid for 9 Monsen Street, Central Islip, NY 11722 is $8,809.
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 Monsen Street, Central Islip, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 9 Monsen 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 | $8,809 |
| Current property tax | $5,786 |
| Market value | $407,043 |
| Assessed value | $28,900 |
Here's the assessment & property tax history for 9 Monsen 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 | $407,043 | $28,900 | 29.569 | $8,545 | +5.71% |
| 2023-2024 | $396,978 | $28,900 | 27.973 | $8,084 | -1.12% |
| 2022-2023 | $349,034 | $28,900 | 28.29 | $8,176 | +0.97% |
| 2021-2022 | $311,422 | $28,900 | 28.019 | $8,097 | -2.89% |
| 2020-2021 | $297,938 | $28,900 | 28.854 | $8,339 | +3.66% |
The complete history of permits filed for 9 Monsen 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 Monsen 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 Monsen 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) |
|---|---|---|---|---|---|
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.19 |
| Anthony Alfano Elementary School | 5 | Public | PK, K-6 | 586 | 0.19 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.40 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.40 |
| Francis J O Neill School | 5 | Public | K-6 | 614 | 0.43 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.40 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 0.66 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.77 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 1.83 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.23 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 0.44 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.77 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.06 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.48 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 3.06 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 Monsen Street, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 10 McGrath St, Central Islip | 01/20/2022 | ||
| 14 Oakdale Ave, Central Islip | |||
| 9 Dietz St, Central Islip | 1,484 | 11/26/2019 | $410,000 |
| 12 Church St, Central Islip | |||
| 1-3 Wheeler Rd, Central Islip | 7,925 | 11/22/2024 | $2,000,000 |
| 7 Monsen St, Central Islip | |||
| 8 McGrath St, Central Islip | 09/20/2001 | $166,000 | |
| 2 Monsen St, Central Islip | 12/30/1993 | $77,000 | |
| 51 Wheeler Rd, Central Islip | |||
| 2 Rose St, Central Islip | 1,339 | 07/23/2021 | $390,000 |
| 37 Wheeler Rd, Central Islip | |||
| 7 Dietz St, Central Islip | |||
| 6 Rose St, Central Islip | |||
| 9 McGrath St, Central Islip | 1,323 | 06/12/2019 | $270,000 |
| 28-40 E Suffolk Ave, Central Islip | 18,078 | ||
| 3 Monsen St, Central Islip | 1,394 | 11/15/2022 | $510,000 |
| 15 Dietz St, Central Islip | |||
| 2 McGrath St, Central Islip | 12/16/2011 | ||
| 11 Dietz St, Central Islip | |||
| 41 Wheeler Rd, Central Islip | 04/20/2010 | $137,800 |