| Primary address | 21 Dunn Court, Sayville |
| Zip code | 11782 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 306-5-14 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $10,902 |
| Building sqft | 1,730 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.28 |
| Year built | 1951 |
| Zoning district | Register |
| School district | Sayville |
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:
21 Dunn Court, Sayville, NY 11782 was built in 1951 and has a total of 1,730 square feet.
What is the assessed value of 21 Dunn Court, Sayville, NY 11782 and the property tax paid?Assessed at $44,300, the tax amount paid for 21 Dunn Court, Sayville, NY 11782 is $13,340.
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 21 Dunn Court, Sayville, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 21 Dunn Court, Sayville, NY 11782. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $13,341 |
| Current property tax | $10,902 |
| Market value | $623,943 |
| Assessed value | $44,300 |
Here's the assessment & property tax history for 21 Dunn Court, Sayville, 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 | $623,943 | $44,300 | 28.936 | $12,819 | +5.54% |
| 2023-2024 | $608,517 | $44,300 | 27.418 | $12,146 | +2.17% |
| 2022-2023 | $535,024 | $44,300 | 26.836 | $11,888 | -0.83% |
| 2021-2022 | $477,371 | $44,300 | 27.061 | $11,988 | +1.27% |
| 2020-2021 | $456,701 | $44,300 | 26.722 | $11,838 | -25.83% |
The complete history of permits filed for 21 Dunn Court, Sayville, 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 21 Dunn Court, Sayville, 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 21 Dunn Court, Sayville 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) |
|---|---|---|---|---|---|
| Lincoln Avenue Elementary School | 8 | Public | PK, K-5 | 453 | 0.24 |
| Lincoln Avenue Elementary School | 8 | Public | PK, K-5 | 453 | 0.24 |
| Sunrise Drive Elementary School | 6 | Public | K-5 | 374 | 0.68 |
| Cherry Avenue Elementary School | 7 | Public | K-5 | 354 | 1.10 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 1.21 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sayville Middle School | 7 | Public | 6-8 | 619 | 0.72 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 1.21 |
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 1.69 |
| West Sayville Christian School | NR | Private | K-9 | 37 | 1.70 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.54 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sayville High School | 9 | Public | 9-12 | 880 | 1.33 |
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 1.39 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.54 | |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 3.75 |
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 4.67 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Dunn Court, Sayville.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 10 Dunn CT, Sayville | |||
| 2 Washington St, Sayville | 1,610 | 12/20/2018 | $480,000 |
| 425 China Rd, Sayville | 04/17/2001 | $200,000 | |
| 422 Lincoln Ave, Sayville | |||
| 426 Lincoln Ave, Sayville | 1,305 | 03/31/2017 | $274,900 |
| 21 Brook Ln, Sayville | 09/10/2012 | ||
| 411 Lincoln Ave, Sayville | 1,945 | 08/24/2020 | |
| 8 Washington St, Sayville | 04/28/2014 | $322,000 | |
| 379 Lincoln Ave, Sayville | |||
| 352 Lincoln Ave, Sayville | |||
| 447 Lincoln Ave, Sayville | 12/19/2023 | $650,000 | |
| 353 Lincoln Ave, Sayville | 05/07/2018 | ||
| 424 Lincoln Ave, Sayville | |||
| 25 Washington St, Sayville | |||
| 319 Lincoln Ave, Sayville | |||
| 16 Washington St, Sayville | 01/16/2026 | $710,000 | |
| 410 Lincoln Ave, Sayville | 02/28/2023 | ||
| 414 Lincoln Ave, Sayville | 2,500 | 03/09/2012 | |
| 446 Partington Pl, Sayville | |||
| 412 Lincoln Ave, Sayville |