| Primary address | 29 21st Avenue, Bay Shore |
| Zip code | 11706 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 246-3-75 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $6,730 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.27 |
| Zoning district | Register |
| School district | Brentwood |
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 $30,400, the tax amount paid for 29 21st Avenue, Bay Shore, NY 11706 is $7,133.
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 29 21st Avenue, Bay Shore, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 29 21st Avenue, Bay Shore, NY 11706. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $7,133 |
| Current property tax | $6,730 |
| Market value | $428,169 |
| Assessed value | $30,400 |
Here's the assessment & property tax history for 29 21st Avenue, Bay Shore, 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 | $428,169 | $30,400 | 22.743 | $6,914 | +4.85% |
| 2023-2024 | $417,583 | $30,400 | 21.691 | $6,594 | -0.19% |
| 2022-2023 | $367,150 | $30,400 | 21.733 | $6,607 | +2.00% |
| 2021-2022 | $327,586 | $30,400 | 21.306 | $6,477 | +1.39% |
| 2020-2021 | $313,402 | $30,400 | 21.013 | $6,388 | +4.58% |
The complete history of permits filed for 29 21st Avenue, Bay Shore, 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 29 21st Avenue, Bay Shore, 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 29 21st Avenue, Bay Shore 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) |
|---|---|---|---|---|---|
| Oak Park Elementary School | 2 | Public | K-5 | 711 | 0.69 |
| Mary G Clarkson School | NR | Public | K-2 | 446 | 0.86 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 1.03 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 1.04 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.23 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 0.94 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 0.97 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.25 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.40 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 2.09 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.40 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.44 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 1.57 |
| Islip High School | 9 | Public | 9-12 | 892 | 2.05 |
| Freshman Center | NR | Public | 9 | 1,247 | 2.45 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 29 21st Avenue, Bay Shore.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 31 21st Ave, Bay Shore | 06/18/2025 | $590,000 | |
| 1503 Emkay St, Bay Shore | |||
| 39 18th Ave, Bay Shore | 04/09/2021 | ||
| 41 18th Ave, Bay Shore | 07/29/2021 | $310,000 | |
| 34 21st Ave, Bay Shore | 03/29/2023 | ||
| 1520 Brentwood Rd, Bay Shore | |||
| 39 21st Ave, Bay Shore | |||
| 38 20th Ave, Bay Shore | 04/28/2025 | $430,000 | |
| 39 20th Ave, Bay Shore | 09/23/2009 | $60,000 | |
| 43 21st Ave, Bay Shore | |||
| 30 21st Ave, Bay Shore | 09/28/2011 | $199,000 | |
| 28 20th Ave, Bay Shore | |||
| 42 20th Ave, Bay Shore | 05/23/2017 | $191,489 | |
| 27 21st Ave, Bay Shore | |||
| 1511 Emkay St, Bay Shore | 05/29/2013 | $155,500 | |
| 36 21st Ave, Bay Shore | |||
| 43 20th Ave, Bay Shore | |||
| 1508 Brentwood Rd, Bay Shore | |||
| 1507 Emkay St, Bay Shore | 09/19/2013 | ||
| 35 18th Ave, Bay Shore |