| Primary address | 300 Johnson Avenue, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 60-3-59 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $3,803 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.3 |
| 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:
Assessed at $34,100, the tax amount paid for 300 Johnson Avenue, Ronkonkoma, NY 11779 is $9,850.
When was 300 Johnson Avenue, Ronkonkoma, NY 11779 last sold?300 Johnson Avenue, Ronkonkoma, NY 11779 was last sold in 08/09/1996.
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 300 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 300 Johnson Avenue, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $9,850 |
| Current property tax | $3,803 |
| Market value | $480,282 |
| Assessed value | $34,100 |
Here's the assessment & property tax history for 300 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 | $480,282 | $34,100 | 27.581 | $9,405 | +4.79% |
| 2023-2024 | $468,406 | $34,100 | 26.321 | $8,975 | +1.30% |
| 2022-2023 | $411,836 | $34,100 | 25.984 | $8,861 | +0.86% |
| 2021-2022 | $367,457 | $34,100 | 25.763 | $8,785 | +2.14% |
| 2020-2021 | $351,546 | $34,100 | 25.224 | $8,601 | +4.15% |
The complete history of permits filed for 300 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 300 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 300 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 | 1.02 |
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 1.19 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.25 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.25 |
| Andrew T Morrow School | 3 | Public | K-6 | 795 | 1.28 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.03 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.03 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 2.06 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.12 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 2.14 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 1.62 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.03 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.12 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.86 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.87 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 300 Johnson Avenue, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 2184 Pond Rd, Ronkonkoma | 26,292 | 12/05/2013 | |
| 21 Maddox Ave, Islip | 2,189 | 05/02/2019 | $390,000 |
| 43 Juniper Ave, Ronkonkoma | 12/01/2006 | ||
| 957 Smithtown Ave, Bohemia | 1,748 | 09/30/2021 | $496,000 |
| 1682 Westwood Blvd, Bay Shore | 10/15/2025 | $705,000 | |
| 946 Benedict St, Bohemia | 02/25/2010 | $320,000 | |
| 45 Fran St, Brentwood | 01/19/2012 | $249,100 | |
| 60 Birchdale Dr, Holbrook | 05/28/2008 | $395,000 | |
| 16 Stepney Ln, Brentwood | 10/12/2006 | ||
| 32 Montauk Blvd, Oakdale | 08/27/1996 | ||
| 138 Dakota St, Ronkonkoma | 856 | 11/04/2021 | $175,000 |
| 179 Gerritsen Ave, Bayport | 09/06/1996 | $210,000 | |
| 15 Pilgrim Rd, Brentwood | 06/27/2024 | $525,000 | |
| 105 Greenbelt Pkwy, Holbrook | 05/13/2004 | ||
| 98 Benson Ave, Sayville | 08/29/1996 | $335,000 | |
| 77 Storm Dr, Holtsville | 09/11/2014 | $177,000 | |
| 44 Arkansas Ave, Bay Shore | 11/01/2024 | ||
| 55 Norman Dr, Bohemia | 09/09/1996 | $165,000 | |
| 189 Walter Ave, Hauppauge | 08/30/1996 | $8,250 | |
| 68 Pamlico Ave, Ronkonkoma | 08/28/1996 | $175,000 |