| Primary address | 20 Walnut Avenue, Farmingdale |
| Zip code | 11735 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | None (unincorporated town) |
| Parcel ID | 49-109-4 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 922 |
| Building class | One Family Year - Round Residence (210.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.138 |
| Buildings on lot | 1 |
| Year built | 1931 |
| Stories | 1 |
| Style | Ranch |
| Rooms | 6 |
| Bathrooms | 2 |
| Attic | None |
| Basement | Full |
| Exterior wall | Mas & frame |
| Heating type | Central |
| Heating system | Hot water |
| Zoning district | Register (See more on map) |
| School district | Farmingdale UFSD |
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:
20 Walnut Avenue, Farmingdale, NY 11735 was built in 1931 and has a total of 922 square feet.
What is the assessed value of 20 Walnut Avenue, Farmingdale, NY 11735 and the property tax paid?Assessed at $389, the tax amount paid for 20 Walnut Avenue, Farmingdale, NY 11735 is $11,794.
When was 20 Walnut Avenue, Farmingdale, NY 11735 last sold and what was the last sale price?20 Walnut Avenue, Farmingdale, NY 11735 was last sold in 07/06/2017 for $399,000.
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 20 Walnut Avenue, Farmingdale, 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 Walnut Avenue, Farmingdale, NY 11735. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $11,794 |
| Tax class | Register |
| Market value | $389,000 |
| Assessed value | $389 |
Here's the assessment & property tax history for 20 Walnut Avenue, Farmingdale, 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 |
|---|---|---|---|---|---|
| 2026 | $389,000 | $389 | 3031.949 | $11,794 | +5.49% |
| 2025 | $385,000 | $385 | 2904.143 | $11,181 | -4.91% |
| 2024 | $389,000 | $369 | 3186.671 | $11,759 | -11.27% |
| 2023 | $397,000 | $397 | 3338.265 | $13,253 | -7.77% |
| 2022 | $389,000 | $389 | 3693.803 | $14,369 | -14.21% |
The complete history of permits filed for 20 Walnut Avenue, Farmingdale, 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 Walnut Avenue, Farmingdale, 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 20 Walnut Avenue, Farmingdale 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 (miles) |
|---|---|---|---|---|---|
| New Jerusalem Christian Academy | NR | Private | 1-12 | 20 | 0.19 |
| Saltzman East Memorial Elementary School | 7 | Public | K-5 | 599 | 0.43 |
| Woodward Parkway Elementary School | 5 | Public | K-5 | 736 | 0.66 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 0.74 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 0.74 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| New Jerusalem Christian Academy | NR | Private | 1-12 | 20 | 0.19 |
| Howitt School | 6 | Public | 6-8 | 1,199 | 0.71 |
| St John Baptist De Lasalle Regional School | NR | Private | PK, K-8 | 214 | 0.74 |
| Bethesda Sda Elementary School | NR | Private | PK-8 | 39 | 1.51 |
| Plainedge Middle School | 6 | Public | 6-8 | 663 | 2.28 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| New Jerusalem Christian Academy | NR | Private | 1-12 | 20 | 0.19 |
| Farmingdale Senior High School | 7 | Public | 9-12 | 1,703 | 1.04 |
| Plainedge Senior High School | 8 | Public | 9-12 | 845 | 2.39 |
| Mhs Ames Campus | NR | Public | 9 | 442 | 2.91 |
| Island Trees High School | 9 | Public | 9-12 | 727 | 2.92 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Walnut Avenue, Farmingdale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 28 Walnut St, Farmingdale | 1,959 | ||
| 10 Walnut Ave, Farmingdale | 917 | 12/13/2023 | $501,000 |
| 15 Poplar Ave, Farmingdale | 1,368 | 10/07/1993 | $145,000 |
| 21 Poplar Ave, Farmingdale | 1,310 | 11/30/2009 | $303,213 |
| 6 Walnut Ave, Farmingdale | 1,872 | 08/17/2010 | $295,000 |
| 17 Poplar Ave, Farmingdale | 1,404 | 04/25/2018 | $408,000 |
| 18 Walnut Ave, Farmingdale | 1,310 | 06/18/2009 | $371,000 |
| 10 Oak St, Farmingdale | 1,062 | 03/11/2015 | $325,000 |
| 517 Staples St, Farmingdale | 2,040 | 12/26/2018 | |
| 4 Walnut Ave, Farmingdale | 1,504 | 01/29/2021 | $422,500 |
| 24 Walnut St, Farmingdale | 1,663 | ||
| 11 Poplar Ave, Farmingdale | 1,599 | 12/13/2012 | $285,000 |
| 16 Walnut St, Farmingdale | 1,425 | ||
| 14 Walnut Ave, Farmingdale | 1,757 | 11/27/2013 | |
| 22 Walnut St, Farmingdale | 1,510 | 07/20/2021 | $480,000 |
| 26 Walnut Ave, Farmingdale | 2,296 | 07/31/2024 | |
| 13 Poplar Ave, Farmingdale | 1,908 | 06/10/2015 | $320,000 |
| 2 Walnut Ave, Farmingdale | 2,137 | ||
| 19 Poplar Ave, Farmingdale | 1,757 | 06/04/2004 | |
| 8 Walnut St, Farmingdale | 1,820 | 07/11/2019 | $470,000 |
