| Primary address | 20 South Montgomery Avenue, Bay Shore |
| Zip code | 11706 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 394-1-80.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/03/2005 |
| Sale price | $463,000 |
| Arm's length | Register |
| Current property tax | $20,268 |
| Building class | Residential - Multi-Purpose/Multi-Structure (280) |
| Acreage | 0.45 |
| Units | 2 |
| Zoning district | Register |
| School district | Bay Shore |
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 $69,200, the tax amount paid for 20 South Montgomery Avenue, Bay Shore, NY 11706 is $21,167.
When was 20 South Montgomery Avenue, Bay Shore, NY 11706 last sold and what was the last sale price?20 South Montgomery Avenue, Bay Shore, NY 11706 was last sold in 10/03/2005 for $463,000.
How many residential units does this building have?This building has 2 residential unit(s).
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 20 South Montgomery 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 20 South Montgomery 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 | $21,168 |
| Current property tax | $20,268 |
| Market value | $974,648 |
| Assessed value | $69,200 |
Here's the assessment & property tax history for 20 South Montgomery 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 | $974,648 | $69,200 | 29.299 | $20,275 | +4.40% |
| 2023-2024 | $950,550 | $69,200 | 28.063 | $19,420 | -0.15% |
| 2022-2023 | $835,749 | $69,200 | 28.104 | $19,448 | +0.31% |
| 2021-2022 | $745,689 | $69,200 | 28.016 | $19,387 | +2.87% |
| 2020-2021 | $713,402 | $69,200 | 27.234 | $18,846 | -23.68% |
The complete history of permits filed for 20 South Montgomery 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 20 South Montgomery 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) | AE, X (See more on map) |
Access the detailed traffic volume map for 20 South Montgomery 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) |
|---|---|---|---|---|---|
| Woodhull School | NR | Public | PK, K-6 | 34 | 0.43 |
| Woodhull School | NR | Public | PK, K-6 | 34 | 0.43 |
| Brook Avenue Elementary School | NR | Public | K-2 | 400 | 0.76 |
| St Patrick School | NR | Private | PK-8 | 534 | 0.85 |
| St Patrick School | NR | Private | PK-8 | 534 | 0.85 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick School | NR | Private | PK-8 | 534 | 0.85 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.93 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.36 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 2.25 |
| St Mary School | NR | Private | PK-8 | 413 | 2.29 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 0.95 |
| Islip High School | 9 | Public | 9-12 | 892 | 0.97 |
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 3.40 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.45 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 3.51 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 South Montgomery Avenue, Bay Shore.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 132 Cerny Pl, West Islip | 11/15/2024 | ||
| 1146 Nugent Ave, Bay Shore | 1,847 | 01/29/2021 | $365,000 |
| 535 Higbie Ln, West Islip | 12/15/2005 | $395,000 | |
| 220 Vanderbilt Ave, Brentwood | 08/07/2018 | ||
| 52 Grenadier Ln, East Islip | 11/13/2000 | $318,000 | |
| 325 Hubbs Ave, Hauppauge | 10/16/1995 | ||
| 31 Piper CT, West Islip | 04/20/2023 | $319,611 | |
| 423 Everdell Ave, West Islip | 2,685 | 06/17/2021 | $620,000 |
| 1125 Patricia Ave, West Islip | 01/16/2004 | ||
| 608 Cedar Ave, Sayville | 09/09/2005 | $510,000 | |
| 30 Jackson St, East Islip | 1,205 | 09/06/2019 | $397,500 |
| 724 Belmore Ave, Islip Terrace | 10/27/1995 | $126,000 | |
| 719 Middle Rd, Bayport | 1,381 | 08/21/2024 | $932,000 |
| 78 Quintuck Ln, East Islip | 12/17/2002 | $260,000 | |
| 188 Merrill St, Brentwood | 1,184 | 08/21/2018 | $245,000 |
| 130 Woodland St, East Islip | 10/19/1995 | ||
| 1068 Bay Shore Ave, Bay Shore | 1,272 | 02/16/2022 | $320,000 |
| 365 Clayton St, Central Islip | 08/28/2009 | $115,000 | |
| 2 Hawthorne Ave, East Islip | 11/12/2002 | ||
| 144 Lincoln Blvd, Hauppauge | 2,982 | 11/05/2018 |