| Primary address | 639 5th Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 126-1-32 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/25/2026 |
| Sale price | $1,777,643 |
| Arm's length | Register |
| Property tax | $13,100 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.34 |
| 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 $45,350, the tax amount paid for 639 5th Street, Ronkonkoma, NY 11779 is $13,099.
When was 639 5th Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?639 5th Street, Ronkonkoma, NY 11779 was last sold in 03/25/2026 for $1,777,643.
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 639 5th 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 639 5th 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 | $13,100 |
| Market value | $638,733 |
| Assessed value | $45,350 |
Here's the assessment & property tax history for 639 5th 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 | $638,733 | $45,350 | 27.581 | $12,508 | +4.79% |
| 2023-2024 | $622,939 | $45,350 | 26.321 | $11,937 | +1.30% |
| 2022-2023 | $547,705 | $45,350 | 25.984 | $11,784 | +0.86% |
| 2021-2022 | $488,685 | $45,350 | 25.763 | $11,684 | +2.14% |
| 2020-2021 | $467,526 | $45,350 | 25.224 | $11,439 | +4.15% |
The complete history of permits filed for 639 5th 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 639 5th 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 639 5th 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) |
|---|---|---|---|---|---|
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 0.79 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.11 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.11 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.87 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.87 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 0.60 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.87 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.89 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 3.07 |
| Seneca Middle School | 6 | Public | 6-8 | 973 | 3.11 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 0.77 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.89 |
| Gersh Academy | NR | Private | 6-12 | 0 | 3.50 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.51 | |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 3.56 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 639 5th Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1244 Boston Ave, Bay Shore | 1,077 | 12/09/2024 | |
| 138 Grand Blvd, Brentwood | 2,666 | 10/20/2017 | $185,000 |
| 69 Hampton St, Sayville | 08/07/2023 | $690,000 | |
| 1030 Connetquot Ave, Central Islip | 11/20/2024 | $370,000 | |
| 196 Moffitt Blvd, Islip | 06/25/2003 | $242,000 | |
| 102 Debbie Lee Ln, Bohemia | 2,959 | 08/18/2021 | $775,000 |
| 683 Sandra Ave, West Islip | 05/13/2025 | $600,000 | |
| 8 Carey St, East Islip | 10/28/2005 | $610,000 | |
| 332 Delaware Ave, Bay Shore | 06/17/2003 | $270,000 | |
| 5 Pine St, Central Islip | 09/30/2024 | $535,300 | |
| 32 Sunset Rd, Bay Shore | 06/30/2003 | $270,000 | |
| 27 Rhodes Ave, Bay Shore | 06/06/2003 | ||
| 975 Bellmore Ave, Central Islip | 04/12/2004 | $295,000 | |
| 213 I Springmeadow Dr, Holbrook | 10/15/2013 | $200,000 | |
| 20 The Keel, East Islip | 05/28/2003 | ||
| 24 Naples Ave, Central Islip | 06/26/2003 | $212,900 | |
| 18 Arbell Dr, Brentwood | 07/06/2007 | $355,000 | |
| 128 John St, Hauppauge | 07/12/2016 | $640,000 | |
| 896 Ocean Ave, Bohemia | 10/17/2023 | $618,750 | |
| 334 Central Islip Blvd, Ronkonkoma | 08/07/2015 | $315,000 |