| Primary address | 40 20th Avenue, Bay Shore |
| Zip code | 11706 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 246-3-65 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/13/2013 |
| Sale price | $155,000 |
| Arm's length | Register |
| Property tax | $6,805 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.27 |
| Year built | 1955 |
| 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:
40 20th Avenue, Bay Shore, NY 11706 was built in 1955.
What is the assessed value of 40 20th Avenue, Bay Shore, NY 11706 and the property tax paid?Assessed at $29,000, the tax amount paid for 40 20th Avenue, Bay Shore, NY 11706 is $6,804.
When was 40 20th Avenue, Bay Shore, NY 11706 last sold and what was the last sale price?40 20th Avenue, Bay Shore, NY 11706 was last sold in 08/13/2013 for $155,000.
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 40 20th Avenue, Bay Shore, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 40 20th Avenue, Bay Shore, NY 11706. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $6,805 |
| Market value | $408,451 |
| Assessed value | $29,000 |
Here's the assessment & property tax history for 40 20th 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 |
|---|---|---|---|---|---|
| 2025-2026 | $408,451 | $29,000 | 23.465 | $6,805 | +3.17% |
| 2024-2025 | $408,451 | $29,000 | 22.743 | $6,595 | +4.85% |
| 2023-2024 | $398,352 | $29,000 | 21.691 | $6,290 | -0.19% |
| 2022-2023 | $350,241 | $29,000 | 21.733 | $6,303 | +2.00% |
| 2021-2022 | $312,500 | $29,000 | 21.306 | $6,179 | +1.39% |
The complete history of permits filed for 40 20th 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 40 20th 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 40 20th 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 | 0.67 |
| Mary G Clarkson School | NR | Public | K-2 | 446 | 0.94 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 0.95 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 0.95 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.15 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| South Middle School | 3 | Public | 6-8 | 1,033 | 0.94 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.01 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.29 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.34 |
| East Middle School | 4 | Public | 6-8 | 1,159 | 2.02 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| MDQ Academy | NR | Private | PK-12 | 412 | 1.34 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 1.41 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 1.64 |
| Islip High School | 9 | Public | 9-12 | 892 | 2.05 |
| Freshman Center | NR | Public | 9 | 1,247 | 2.43 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 40 20th Avenue, Bay Shore.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 23 Shoal Dr, West Islip | 07/13/2016 | $1,062,500 | |
| 1005 Martinstein Ave, Bay Shore | 04/20/1994 | $1,000 | |
| 337 Ellery St, Brentwood | 2,007 | 10/02/2025 | |
| 9 Dewey St, Sayville | 858 | 08/16/2021 | $465,000 |
| 217 Vanderbilt Blvd, Oakdale | 1,713 | 04/19/2022 | $511,000 |
| 51 John St, Sayville | 07/05/2023 | ||
| 54 Casement Ave, Central Islip | 07/20/1994 | $92,585 | |
| 119 Hollywood Dr, Oakdale | 01/26/2016 | $110,000 | |
| 411 Asharoken Blvd, Bay Shore | 1,398 | 11/08/2021 | $530,000 |
| 156 McNair St, Brentwood | 01/15/2003 | $170,000 | |
| 129 McNair St, Brentwood | 05/14/1996 | ||
| 1452 Baldwin Blvd, Bay Shore | 05/05/1997 | ||
| 1690 N Gardiner Dr, Bay Shore | 03/30/1998 | $30,500 | |
| 1819 Peck Ave, Bay Shore | 08/10/1994 | $128,000 | |
| 26 Pequot Ln, East Islip | 1,123 | 05/12/2022 | $475,000 |
| 99 S Clinton Ave, Bay Shore | 05/25/2005 | ||
| 754 Peconic St, Ronkonkoma | 3,292 | 01/24/2022 | $650,000 |
| 43 Princess Ave, Bay Shore | 05/11/2022 | ||
| 140 Bay Walk, Bay Shore | 09/27/1994 | ||
| 549 4th St, Ronkonkoma | 02/15/2023 | $595,000 |