| Primary address | 15 Grand Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 6423440 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Property tax | $8,300 |
| Building sqft | 2,196 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.2 |
| Year built | 1970 |
| Rooms | 7 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| School district | Sachem |
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:
15 Grand Street, Ronkonkoma, NY 11779 was built in 1970 and has a total of 2,196 square feet.
What is the assessed value of 15 Grand Street, Ronkonkoma, NY 11779 and the property tax paid?Assessed at $2,350, the tax amount paid for 15 Grand Street, Ronkonkoma, NY 11779 is $8,299.
When was 15 Grand Street, Ronkonkoma, NY 11779 last sold?15 Grand Street, Ronkonkoma, NY 11779 was last sold in 12/27/2007.
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 15 Grand Street, 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 15 Grand Street, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,300 |
| Market value | $443,396 |
| Assessed value | $2,350 |
Here's the assessment & property tax history for 15 Grand Street, 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 | $443,396 | $2,350 | 338.342 | $7,951 | -17.92% |
| 2023-2024 | $435,185 | $2,350 | 412.188 | $9,686 | +27.16% |
| 2022-2023 | $379,033 | $2,350 | 324.157 | $7,618 | +3.72% |
| 2021-2022 | $317,567 | $2,350 | 312.54 | $7,345 | +2.63% |
| 2020-2021 | $305,195 | $2,350 | 304.524 | $7,156 | +1.29% |
The complete history of permits filed for 15 Grand Street, 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 15 Grand Street, 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 15 Grand Street, 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) |
|---|---|---|---|---|---|
| Holbrook Road School | 4 | Public | K-5 | 367 | 0.67 |
| Cayuga School | 6 | Public | K-5 | 516 | 0.76 |
| Maimonides Day School | NR | Private | PK, K-3 | 25 | 0.84 |
| Maimonides Day School | NR | Private | PK, K-3 | 25 | 0.84 |
| Wenonah School | 6 | Public | K-5 | 479 | 1.35 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Samoset Middle School | 6 | Public | 6-8 | 892 | 0.83 |
| Lake Grove School | NR | Private | 8-12 | 50 | 1.05 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 1.48 |
| Jericho Elementary School | 3 | Public | 1-5, 7 | 413 | 2.03 |
| Dawnwood Middle School | 5 | Public | 6-8 | 1,074 | 2.04 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 0.49 |
| Lake Grove School | NR | Private | 8-12 | 50 | 1.05 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 1.48 |
| Centereach High School | 6 | Public | 9-12 | 1,475 | 2.12 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.29 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 15 Grand Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 121 Smith Ln, Ronkonkoma | 1,830 | ||
| 86 Smith Ln, Centereach | 1,758 | 04/10/2025 | |
| 93 Balaton Ave, Ronkonkoma | 1,235 | 04/26/2019 | |
| 120 Balaton Ave, Ronkonkoma | 2,092 | ||
| 3 Madach St, Centereach | 1,738 | ||
| 131 Park Ave, Ronkonkoma | 1,123 | 11/19/2019 | |
| 107 Smith Ln, Centereach | 1,864 | 08/29/2013 | $305,000 |
| 325 Smith Rd, Ronkonkoma | 3,446 | 02/12/2007 | $620,000 |
| 11 Garden St, Ronkonkoma | 08/23/2005 | $440,000 | |
| 129 Park Ave, Ronkonkoma | 1,071 | ||
| 89 Smith Ln, Centereach | 1,847 | 06/16/2025 | $10 |
| 118 Balaton Ave, Ronkonkoma | 2,062 | 12/04/2003 | |
| 125 Park Ave, Ronkonkoma | 1,566 | 01/20/2021 | $361,500 |
| 85 Smith Ln, Centereach | 1,149 | 08/26/2020 | $351,000 |
| 17 Garden St, Ronkonkoma | 09/19/1994 | $148,400 | |
| 327 Smith Rd, Ronkonkoma | 3,554 | 02/13/2008 | $544,000 |
| 128 Balaton Ave, Ronkonkoma | 1,123 | 10/15/2016 | |
| 124 Balaton Ave, Ronkonkoma | 1,638 | 06/30/2005 | $350,000 |
| 101 Smith Ln, Centereach | 2,805 | 07/31/2023 | $565,000 |
| 15 Garden Ave, Ronkonkoma | 1,225 | 08/23/2024 | $440,000 |