| Primary address | 421 3rd Avenue, Bayport |
| Zip code | 11705 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 333-2-31 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/14/1994 |
| Sale price | $128,000 |
| Arm's length | Register |
| Current property tax | $9,950 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.17 |
| 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 $30,800, the tax amount paid for 421 3rd Avenue, Bayport, NY 11705 is $11,006.
When was 421 3rd Avenue, Bayport, NY 11705 last sold?421 3rd Avenue, Bayport, NY 11705 was last sold in 08/24/2012.
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 3rd Avenue, Bayport, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 10/14/1994 | $128,000 | 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 421 3rd Avenue, Bayport, NY 11705. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $11,006 |
| Current property tax | $9,950 |
| Market value | $433,803 |
| Assessed value | $30,800 |
Here's the assessment & property tax history for 421 3rd 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 |
|---|---|---|---|---|---|
| 2025-2026 | $433,803 | $30,800 | 35.735 | $11,006 | +4.48% |
| 2024-2025 | $433,803 | $30,800 | 34.203 | $10,535 | +5.25% |
| 2023-2024 | $423,077 | $30,800 | 32.497 | $10,009 | +0.28% |
| 2022-2023 | $371,981 | $30,800 | 32.406 | $9,981 | +2.03% |
| 2021-2022 | $331,896 | $30,800 | 31.76 | $9,782 | +3.62% |
The complete history of permits filed for 421 3rd 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 421 3rd 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 421 3rd 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 | 0.35 |
| Sylvan Avenue Elementary School | 7 | Public | PK, K-5 | 306 | 0.35 |
| Academy Street Elementary School | 9 | Public | K-5 | 303 | 0.76 |
| Blue Point Elementary School | 5 | Public | K-5 | 224 | 0.82 |
| Sunrise Drive Elementary School | 6 | Public | K-5 | 374 | 1.22 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| James Wilson Young Middle School | 6 | Public | 6-8 | 398 | 0.53 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 1.95 |
| Prince Of Peace Regional School | NR | Private | PK, K-8 | 194 | 2.05 |
| Holy Angels Regional School | NR | Private | PK, K-8 | 309 | 2.17 |
| South Ocean Middle School | 2 | Public | 6-8 | 599 | 2.27 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bayport Blue Point High School | 9 | Public | 9-12 | 664 | 0.49 |
| Sayville High School | 9 | Public | 9-12 | 880 | 2.38 |
| Eastern Suffolk Boces | NR | Public | K-12 | 1,721 | 3.67 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.92 | |
| Long Island Baptist Academy | NR | Private | 2-12 | 8 | 4.40 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 421 3rd Avenue, Bayport.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 3 Jenney Rd, Bayport | 10/25/2005 | $530,000 | |
| 140 Lowell Ave, Islip Terrace | 06/25/1996 | $123,500 | |
| 8 Woods Rd, Islip Terrace | 02/02/1996 | $143,000 | |
| 42 O Connell CT, Great River | 10/19/1994 | $253,900 | |
| 49 Walbridge Ave, Bay Shore | 01/07/2005 | $288,400 | |
| 1026 Bay Shore Ave, Bay Shore | 05/30/2025 | ||
| 166 Lakeside Dr, Oakdale | 02/14/2014 | $387,000 | |
| 158 Massachusetts Ave, Bay Shore | 05/21/1998 | ||
| 55 Franklin St, Brentwood | 03/10/2015 | $275,000 | |
| 2 Dorset Ln, East Islip | 10/05/1994 | $139,000 | |
| 736 Sandra Ave, West Islip | 04/11/2000 | $177,000 | |
| 706 Bay 7 St, West Islip | 02/08/2006 | ||
| 14 Melanni Pl, East Islip | 2,277 | 12/23/2019 | $550,000 |
| 15 Spruce St, Islip | 1,500 | 08/24/2022 | |
| 31 Babylon Ave, West Islip | 05/06/2013 | $336,500 | |
| 27 Ashford Dr, Bohemia | 08/17/2007 | ||
| 27 Denise Ln, Hauppauge | 1,829 | 10/27/2016 | |
| 75 Casement Ave, Central Islip | 02/10/2025 | $556,000 | |
| 341 Cherry Ave, West Sayville | 09/10/2010 | $430,000 | |
| 78 S Penataquit Ave, Bay Shore | 10/07/1994 | $173,000 |