| Primary address | 20128 Diehl Street, Walnut |
| Zip code | 91789 |
| County | Los Angeles |
| Municipality | Walnut |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/15/2020 |
| Sale price | $1,100,000 |
| Arm's length | Register |
| Current property tax | $15,044 |
| Building sqft | 2,862 |
| Building class | Single Family Residence (0100) |
| Acreage | 0.176
|
| Units | 1 |
| Year built | 1964 |
| Year last altered | Register |
| Bedrooms | 4 |
| Bathrooms | 4 |
| Heating/AC | Central refrigeration & heating |
| Zoning district | One-Family Residential Zone (7,200 SF) (R-1) |
| Weed hazard | No |
| School district | Walnut Valley Unified School District |
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:
20128 Diehl Street, Walnut, CA 91789 was built in 1964 and has a total of 2,862 square feet.
What is the assessed value of 20128 Diehl Street, Walnut, CA 91789 and the property tax paid?Assessed at $1,214,485, the tax amount paid for 20128 Diehl Street, Walnut, CA 91789 is $14,222.
When was 20128 Diehl Street, Walnut, CA 91789 last sold?20128 Diehl Street, Walnut, CA 91789 was last sold in 12/19/2025.
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 20128 Diehl Street, Walnut, 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 20128 Diehl Street, Walnut, CA 91789. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $14,223 |
| Current property tax | $15,044 |
| Market value | $1,214,485 |
| Tax per sqft | $5 |
Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.
| Code | Description | Tax levied |
|---|---|---|
| 06221 | County Sanitation District #21 | Register |
| 03694 | La County Regional Park And Open Space District | Register |
| 00744 | Los Angeles County Fire Department | Register |
| 03071 | Los Angeles County Flood Control | Register |
| 04000 | Los Angeles County Sewer Maintenance | Register |
Here's the assessment & property tax history for 20128 Diehl Street, Walnut, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $1,214,485 | 1.1711 | $14,223 | +3.43% |
| 2024-2025 | $1,190,673 | 1.1549 | $13,751 | +2.57% |
| 2023-2024 | $1,167,327 | 1.1485 | $13,407 | +2.10% |
| 2022-2023 | $1,144,439 | 1.1474 | $13,131 | +1.75% |
| 2021-2022 | $1,122,000 | 1.1502 | $12,905 | +73.09% |
The complete history of permits filed for 20128 Diehl Street, Walnut, including new construction or demolition permits, complaints, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of Walnut so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Walnut and compare it to other neighborhoods in Los Angeles County.
Create a free account to unlock extended information for 20128 Diehl Street, Walnut, 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) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 20128 Diehl Street, Walnut 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) |
|---|---|---|---|---|---|
| Vejar Elementary School | 8 | Public | K-5 | 642 | 0.09 |
| Aims Academy | NR | Private | 1-12 | 0 | 0.24 |
| Cyrus J. Morris Elementary School | 8 | Public | K-5 | 484 | 0.44 |
| Walnut United Methodist Preschool | NR | Private | PK-K | 85 | 0.67 |
| Walnut United Methodist Preschool | NR | Private | PK-K | 85 | 0.67 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Aims Academy | NR | Private | 1-12 | 0 | 0.24 |
| Suzanne Middle School | 8 | Public | 6-8 | 1,120 | 0.92 |
| Stanley G. Oswalt Academy | 8 | Public | K-8 | 868 | 1.19 |
| Walnut Valley Adult | NR | Public | 0 | 1.28 | |
| Telesis Academy Of Science & Math | 4 | Public | K-8 | 635 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Aims Academy | NR | Private | 1-12 | 0 | 0.24 |
| Ron Hockwalt Academies (Continuation) School | NR | Public | 9-12 | 41 | 0.69 |
| Walnut High School | 10 | Public | 9-12 | 2,158 | 0.79 |
| Walnut Valley Adult | NR | Public | 0 | 1.28 | |
| Nogales High School | 5 | Public | 9-12 | 1,668 | 1.45 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20128 Diehl Street, Walnut.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 144 N Dommer Ave, Walnut | 1,144 | 08/28/2025 | $930,000 |
| 124 N Dommer Ave, Walnut | 1,478 | 04/28/2005 | $455,004 |
| 131 N Dommer Ave, Walnut | 1,232 | 07/22/2025 | $880,000 |
| 20115 Vejar Rd, Walnut | 1,144 | 12/22/2023 | |
| 20112 Diehl St, Walnut | 1,442 | 02/18/2021 | |
| 20141 Vejar Rd, Walnut | 1,796 | 04/01/2015 | |
| 133 N Dommer Ave, Walnut | 1,496 | 12/13/2018 | |
| 137 N Dommer Ave, Walnut | 1,144 | 02/02/2021 | |
| 20149 Vejar Rd, Walnut | 1,232 | 01/13/2012 | $365,000 |
| 20120 Diehl St, Walnut | 1,232 | 10/11/2018 | |
| 136 N Dommer Ave, Walnut | 1,232 | 11/10/2003 | $335,003 |
| 20135 Vejar Rd, Walnut | 1,144 | 03/02/2021 | |
| 20121 Vejar Rd, Walnut | 1,226 | 09/20/2022 | $820,000 |
| 20107 Vejar Rd, Walnut | 1,232 | 12/06/2011 | |
| 20116 Diehl St, Walnut | 1,144 | 07/21/1993 | $159,000 |
| 20163 Vejar Rd, Walnut | 1,144 | 02/09/2022 | $842,000 |
| 20129 Vejar Rd, Walnut | 1,232 | 09/09/1988 | $158,000 |
| 310 N Lemon Ave, Walnut | 7,320 | ||
| 128 N Dommer Ave, Walnut | 1,496 | 12/21/2009 | $480,004 |
| 20155 Vejar Rd, Walnut | 2,084 | 05/28/2021 | $760,000 |