| Primary address | 421 Fir Grove Road, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 32-4-61 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,966 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.19 |
| 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).
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Assessed at $35,000, the tax amount paid for 421 Fir Grove Road, Ronkonkoma, NY 11779 is $10,110.
When was 421 Fir Grove Road, Ronkonkoma, NY 11779 last sold?421 Fir Grove Road, Ronkonkoma, NY 11779 was last sold in 09/06/2024.
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 421 Fir Grove Road, 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 421 Fir Grove Road, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $10,110 |
| Current property tax | $5,966 |
| Market value | $492,958 |
| Assessed value | $35,000 |
Here's the assessment & property tax history for 421 Fir Grove Road, 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 | $492,958 | $35,000 | 27.581 | $9,653 | +4.79% |
| 2023-2024 | $480,769 | $35,000 | 26.321 | $9,212 | +1.30% |
| 2022-2023 | $422,706 | $35,000 | 25.984 | $9,094 | +0.86% |
| 2021-2022 | $377,155 | $35,000 | 25.763 | $9,017 | +2.14% |
| 2020-2021 | $360,825 | $35,000 | 25.224 | $8,828 | +4.15% |
The complete history of permits filed for 421 Fir Grove Road, 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 421 Fir Grove Road, 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 421 Fir Grove Road, 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) |
|---|---|---|---|---|---|
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.47 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.47 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.65 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.65 |
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 0.85 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.65 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.06 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.37 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 1.94 |
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 2.65 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.37 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 2.19 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.23 |
| Lake Grove School | NR | Private | 8-12 | 50 | 2.73 |
| Gersh Academy | NR | Private | 6-12 | 0 | 3.10 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 421 Fir Grove Road, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 2827 Pine Ave, Ronkonkoma | 01/14/2011 | ||
| 414 Shelter Rd, Ronkonkoma | 1,440 | 08/04/2017 | $355,000 |
| 408 Deer Rd, Ronkonkoma | 1,927 | 06/26/2018 | $362,500 |
| 430 Fir Grove Rd, Ronkonkoma | 02/16/2023 | ||
| 426 Shelter Rd, Ronkonkoma | 09/08/2022 | ||
| 11 N Ocean Ave, Ronkonkoma | 1,272 | 10/12/2021 | |
| 2812 Ocean Ave, Ronkonkoma | 1,551 | 02/23/2022 | |
| 425 Fir Grove Rd, Ronkonkoma | 1,497 | 09/11/2019 | $365,000 |
| 2818 Pine Ave, Ronkonkoma | 07/31/2025 | $616,100 | |
| 406 Deer Rd, Ronkonkoma | 08/11/2010 | ||
| 409 Fir Grove Rd, Ronkonkoma | 02/14/2014 | ||
| 2784 Ocean Ave, Ronkonkoma | 05/14/2024 | $540,000 | |
| 418 Shelter Rd, Ronkonkoma | 1,716 | 04/25/2017 | $340,000 |
| 432 Deer Rd, Ronkonkoma | |||
| 426 Deer Rd, Ronkonkoma | 1,068 | 10/21/2019 | |
| 7 N Ocean Ave, Ronkonkoma | |||
| 436 Deer Rd, Ronkonkoma | 04/04/2024 | ||
| 436 Fir Grove Rd, Ronkonkoma | 1,856 | 03/15/2019 | $430,000 |
| 432 Michigan St, Ronkonkoma | 11/27/2012 | $240,000 | |
| 2822 Pine Ave, Ronkonkoma | 2,358 | 09/18/2020 | $352,000 |