| Primary address | 18 O Connell Court, Great River |
| Zip code | 11739 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 401-3-28.5 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/06/2020 |
| Sale price | $815,000 |
| Arm's length | Register |
| Property tax | $20,213 |
| Building sqft | 3,144 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.49 |
| Year built | 1980 |
| Zoning district | Register |
| School district | East 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:
18 O Connell Court, Great River, NY 11739 was built in 1980 and has a total of 3,144 square feet.
What is the assessed value of 18 O Connell Court, Great River, NY 11739 and the property tax paid?Assessed at $72,300, the tax amount paid for 18 O Connell Court, Great River, NY 11739 is $20,212.
When was 18 O Connell Court, Great River, NY 11739 last sold and what was the last sale price?18 O Connell Court, Great River, NY 11739 was last sold in 11/06/2020 for $815,000.
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 18 O Connell Court, Great River, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 11/06/2020 | $815,000 | Register | Register |
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 18 O Connell Court, Great River, NY 11739. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $20,213 |
| Market value | $1,018,309 |
| Assessed value | $72,300 |
Here's the assessment & property tax history for 18 O Connell Court, Great River, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $1,018,309 | $72,300 | 27.957 | $20,213 | +4.13% |
| 2024-2025 | $1,018,309 | $72,300 | 26.849 | $19,412 | +2.69% |
| 2023-2024 | $993,131 | $72,300 | 26.145 | $18,903 | +0.84% |
| 2022-2023 | $873,189 | $72,300 | 25.927 | $18,745 | -0.72% |
| 2021-2022 | $779,095 | $72,300 | 26.114 | $18,880 | +2.36% |
The complete history of permits filed for 18 O Connell Court, Great River, 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 18 O Connell Court, Great River, 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 18 O Connell Court, Great River 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 (miles) |
|---|---|---|---|---|---|
| Idle Hour Elementary School | 8 | Public | PK, K-5 | 190 | 0.67 |
| Idle Hour Elementary School | 8 | Public | PK, K-5 | 190 | 0.67 |
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 0.78 |
| Timber Point Elementary School | NR | Public | PK, K-2 | 345 | 0.78 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 1.25 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| East Islip Middle School | 6 | Public | 6-8 | 804 | 1.86 |
| St Mary School | NR | Private | PK-8 | 413 | 1.87 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 1.99 | |
| Oakdale Bohemia Middle School | 6 | Public | 6-8 | 634 | 2.08 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 3.27 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| East Islip High School | 8 | Public | 9-12 | 1,145 | 1.97 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 1.99 | |
| Islip High School | 9 | Public | 9-12 | 892 | 3.26 |
| Sayville High School | 9 | Public | 9-12 | 880 | 3.54 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 4.01 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 18 O Connell Court, Great River.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 35 O Connell CT, Great River | 06/06/2017 | ||
| 28 O Connell CT, Great River | 08/01/2016 | $485,000 | |
| 288 Great River Rd, Great River | 3,178 | 11/15/2021 | |
| 270 Great River Rd, Great River | 09/29/2011 | $645,000 | |
| 46 O Connell CT, Great River | |||
| 38 O Connell CT, Great River | 12/30/2022 | $880,000 | |
| 292 Great River Rd, Great River | |||
| 284 Great River Rd, Great River | 2,592 | 01/09/1996 | $260,000 |
| 4 Birchwood Dr, Great River | 2,158 | 09/20/2018 | |
| 6 Birchwood Dr, Great River | 2,630 | 08/03/2021 | $975,000 |
| 50 O Connell CT, Great River | 08/08/2013 | $600,000 | |
| 22 O Connell CT, Great River | 2,165 | 12/17/2024 | $1,025,000 |
| 30 O Connell CT, Great River | 07/15/2016 | $530,000 | |
| 280 Great River Rd, Great River | 12/28/1994 | $270,000 | |
| 274 Great River Rd, Great River | 10/27/2023 | $276,000 | |
| 267 Great River Rd, Great River | 09/05/2025 | $2,000,000 | |
| 51 O Connell CT, Great River | 11/17/2015 | $556,500 | |
| 276 Great River Rd, Great River | 3,569 | 06/26/2019 | $995,000 |
| 10 Birchwood Dr, Great River | |||
| 309 Great River Rd, Great River |