| Primary address | 518 Sylvan Avenue, Bayport |
| Zip code | 11705 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 309-5-14.2 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/20/1997 |
| Sale price | $78,000 |
| Arm's length | Register |
| Property tax | $22,942 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.73 |
| Zoning district | Register |
| School district | Bayport-Blue Point |
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 $64,200, the tax amount paid for 518 Sylvan Avenue, Bayport, NY 11705 is $22,941.
When was 518 Sylvan Avenue, Bayport, NY 11705 last sold?518 Sylvan Avenue, Bayport, NY 11705 was last sold in 11/10/2003.
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 518 Sylvan Avenue, Bayport, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 06/20/1997 | $78,000 | Register | Register |
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 518 Sylvan Avenue, Bayport, NY 11705. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $22,942 |
| Market value | $904,225 |
| Assessed value | $64,200 |
Here's the assessment & property tax history for 518 Sylvan Avenue, Bayport, 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 | $904,225 | $64,200 | 34.203 | $21,958 | +5.25% |
| 2023-2024 | $881,868 | $64,200 | 32.497 | $20,863 | +0.28% |
| 2022-2023 | $775,363 | $64,200 | 32.406 | $20,805 | +2.03% |
| 2021-2022 | $691,810 | $64,200 | 31.76 | $20,390 | +3.62% |
| 2020-2021 | $661,856 | $64,200 | 30.651 | $19,678 | -7.20% |
The complete history of permits filed for 518 Sylvan Avenue, Bayport, 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 518 Sylvan Avenue, Bayport, 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 518 Sylvan Avenue, Bayport 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) |
|---|---|---|---|---|---|
| Sylvan Avenue Elementary School | 7 | Public | PK, K-5 | 306 | 0.13 |
| Sylvan Avenue Elementary School | 7 | Public | PK, K-5 | 306 | 0.13 |
| Blue Point Elementary School | 5 | Public | K-5 | 224 | 0.57 |
| Academy Street Elementary School | 9 | Public | K-5 | 303 | 1.05 |
| Sunrise Drive Elementary School | 6 | Public | K-5 | 374 | 1.41 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 0.32 |
| Holy Angels Regional School | NR | Private | PK, K-8 | 309 | 1.85 |
| South Ocean Middle School | 2 | Public | 6-8 | 599 | 1.95 |
| Emanuel Lutheran School | NR | Private | PK-8 | 97 | 2.16 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 2.18 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 0.77 |
| Sayville High School | 9 | Public | 9-12 | 880 | 2.71 |
| Eastern Suffolk Boces | NR | Public | K-12 | 1,721 | 3.34 |
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 4.22 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 4.23 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 518 Sylvan Avenue, Bayport.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 350 Pamlico Ave, Ronkonkoma | 01/23/2025 | $510,000 | |
| 202 Udall Rd, West Islip | 12/28/2012 | ||
| 18 Bluejay Dr, Brentwood | 03/20/2014 | $175,000 | |
| 402 Bernice Dr, Bayport | 05/05/1997 | $152,000 | |
| 177 Pace Dr S, West Islip | 06/19/1997 | $613,656 | |
| 191 Loeffler St, Brentwood | 08/22/2005 | ||
| 55 Palm St, Central Islip | 09/13/2002 | ||
| 11 Mindres Ave, Brentwood | 08/15/2024 | $570,000 | |
| 214 Bryant St, Islip Terrace | 2,156 | 06/24/2021 | $558,000 |
| 36 Blackmore Ln, East Islip | 04/28/2000 | $410,000 | |
| 423 Grace CT, Holbrook | 1,650 | 04/21/2003 | $300,000 |
| 1586 Baldwin Blvd, Bay Shore | 01/05/2018 | ||
| 141 Baywoods Ln, Bay Shore | 09/23/2005 | $540,000 | |
| 89 Irish Ln, East Islip | 08/13/2002 | $272,420 | |
| 53 Stepney Ln, Brentwood | 06/18/1997 | $137,250 | |
| 16 Seafield Ln, Bay Shore | 06/19/1997 | $163,000 | |
| 37 Sequoia Way, Holbrook | 1,949 | 10/30/2019 | $408,000 |
| 16 Camille Ln, Holbrook | 03/22/2019 | ||
| 1781 Carlton Ave, Bay Shore | 09/09/2005 | $390,000 | |
| 522 S Chicot Ave, West Islip | 06/20/1997 | $137,500 |