| Primary address | 575 Johnson Avenue, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 61-2-21 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 05/24/2022 |
| Sale price | $730,000 |
| Arm's length | Register |
| Property tax | $16,349 |
| Building sqft | 2,934 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.5 |
| Year built | 1965 |
| Units | 2 |
| Zoning district | Register |
| School district | Connetquot |
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:
575 Johnson Avenue, Ronkonkoma, NY 11779 was built in 1965 and has a total of 2,934 square feet.
What is the assessed value of 575 Johnson Avenue, Ronkonkoma, NY 11779 and the property tax paid?Assessed at $56,600, the tax amount paid for 575 Johnson Avenue, Ronkonkoma, NY 11779 is $16,349.
When was 575 Johnson Avenue, Ronkonkoma, NY 11779 last sold and what was the last sale price?575 Johnson Avenue, Ronkonkoma, NY 11779 was last sold in 05/24/2022 for $730,000.
How many residential units does this building have?This building has 2 residential unit(s).
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 575 Johnson Avenue, Ronkonkoma, 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 575 Johnson Avenue, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $16,349 |
| Market value | $797,183 |
| Assessed value | $56,600 |
Here's the assessment & property tax history for 575 Johnson Avenue, Ronkonkoma, 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 | $797,183 | $56,600 | 27.581 | $15,611 | +4.79% |
| 2023-2024 | $777,472 | $56,600 | 26.321 | $14,898 | +5.01% |
| 2022-2023 | $659,420 | $54,600 | 25.984 | $14,187 | +0.86% |
| 2021-2022 | $588,362 | $54,600 | 25.763 | $14,067 | +2.14% |
| 2020-2021 | $562,887 | $54,600 | 25.224 | $13,772 | +4.15% |
The complete history of permits filed for 575 Johnson Avenue, Ronkonkoma, 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 575 Johnson Avenue, Ronkonkoma, 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 575 Johnson Avenue, Ronkonkoma 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) |
|---|---|---|---|---|---|
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 0.39 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.61 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.61 |
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 1.14 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.48 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 0.48 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.48 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.95 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.62 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 2.78 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 1.50 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.95 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.62 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 3.09 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 3.45 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 575 Johnson Avenue, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 28 Haven Ave, Ronkonkoma | |||
| 50 Haven Ave, Ronkonkoma | 1,133 | 05/23/2022 | |
| 58 Haven Ave, Ronkonkoma | 07/31/1995 | $33,500 | |
| 23 Calvert Ave, Ronkonkoma | 07/21/2014 | $359,990 | |
| 50 Breeze Ave, Ronkonkoma | 12/26/2012 | $233,000 | |
| 32 Haven Ave, Ronkonkoma | |||
| 54 Haven Ave, Ronkonkoma | 08/18/2006 | ||
| 99 Haven Ave, Ronkonkoma | |||
| 31 Calvert Ave, Ronkonkoma | |||
| 24 Haven Ave, Ronkonkoma | 02/05/2015 | $345,000 | |
| 90 Haven Ave, Ronkonkoma | 1,311 | 02/19/2026 | $650,000 |
| 15 Calvert Ave, Ronkonkoma | 01/21/2014 | $316,500 | |
| 111 Calvert Ave, Ronkonkoma | 2,899 | ||
| 19 Calvert Ave, Ronkonkoma | 1,848 | 08/13/2018 | |
| 56 Breeze Ave, Ronkonkoma | |||
| 111 Springdale Dr, Ronkonkoma | |||
| 41 Calvert Ave, Ronkonkoma | |||
| 571 Johnson Ave, Ronkonkoma | |||
| 20 Haven Ave, Ronkonkoma | 11/26/2012 | $256,500 | |
| 37 Calvert Ave, Ronkonkoma | 1,897 | 06/03/2019 | $353,000 |