| Primary address | 30 Duffy Court, Central Islip |
| Zip code | 11722 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 121-1-44 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/22/2022 |
| Sale price | $390,000 |
| Arm's length | Register |
| Property tax | $7,194 |
| Building sqft | 720 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.15 |
| Year built | 1950 |
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:
30 Duffy Court, Central Islip, NY 11722 was built in 1950 and has a total of 720 square feet.
What is the assessed value of 30 Duffy Court, Central Islip, NY 11722 and the property tax paid?Assessed at $23,600, the tax amount paid for 30 Duffy Court, Central Islip, NY 11722 is $7,193.
When was 30 Duffy Court, Central Islip, NY 11722 last sold and what was the last sale price?30 Duffy Court, Central Islip, NY 11722 was last sold in 04/22/2022 for $390,000.
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 30 Duffy Court, Central Islip, 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 30 Duffy Court, Central Islip, NY 11722. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $7,194 |
| Market value | $332,395 |
| Assessed value | $23,600 |
Here's the assessment & property tax history for 30 Duffy Court, 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 | $332,395 | $23,600 | 29.569 | $6,978 | +5.71% |
| 2023-2024 | $324,175 | $23,600 | 27.973 | $6,602 | -1.12% |
| 2022-2023 | $285,024 | $23,600 | 28.29 | $6,676 | +0.97% |
| 2021-2022 | $254,310 | $23,600 | 28.019 | $6,612 | -2.89% |
| 2020-2021 | $243,299 | $23,600 | 28.854 | $6,810 | +3.66% |
The complete history of permits filed for 30 Duffy Court, 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 30 Duffy Court, 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 30 Duffy Court, 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) |
|---|---|---|---|---|---|
| Francis J O Neill School | 5 | Public | K-6 | 614 | 0.10 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.24 |
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.24 |
| Charles A Mulligan School | 4 | Public | K-6 | 981 | 0.46 |
| Cordello Avenue Elementary School | 4 | Public | K-6 | 507 | 0.56 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Our Lady Of Providence Regional School | NR | Private | PK-8 | 251 | 0.24 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 0.74 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.94 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 2.03 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.51 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 0.84 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.94 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.36 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.61 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.70 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 30 Duffy Court, Central Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 22 Starlight Dr, East Islip | 04/01/2004 | ||
| 460 Clift St, Central Islip | 2,032 | 11/30/2018 | $10 |
| 1385 Islip Ave, Central Islip | 12/12/2002 | $165,000 | |
| 90 Paris CT, West Islip | 05/24/2013 | $350,000 | |
| 26 West Ln, Bay Shore | 06/17/2008 | $205,000 | |
| 53 Gladstone Ave, West Islip | 07/12/2022 | $860,000 | |
| 375 Joan St, Ronkonkoma | 12/11/2002 | $330,000 | |
| 69 West Ave, West Sayville | 12/12/2002 | $379,990 | |
| 39 13th St, Bohemia | 03/20/2026 | $800,000 | |
| 7 Cinque Ln, Bayport | 12/12/2002 | $285,000 | |
| 9 Maddox Ave, Islip | 05/28/2004 | $310,000 | |
| 212 Hancock St, Brentwood | 12/11/2002 | $195,000 | |
| 132 Connetquot Dr, Oakdale | 12/16/2002 | $723,500 | |
| 214 Locust Dr, Bay Shore | 11/13/2002 | $132,000 | |
| 268 Southport St, Ronkonkoma | 08/30/2010 | $370,000 | |
| 19 Hagen St, Brentwood | 04/07/2015 | $260,000 | |
| 45 Grissom Way, Hauppauge | 1,584 | 08/24/2021 | $710,000 |
| 955 Montauk Hwy, Oakdale | 09/26/2024 | ||
| 2433 Motor Pkwy, Ronkonkoma | 10/10/2019 | $470,000 | |
| 46 Audubon Ave, Holbrook | 11/25/2002 | $266,500 |