| Primary address | 20580 Calpet Drive, Walnut |
| Zip code | 91789 |
| County | Los Angeles |
| Municipality | Diamond Bar |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/08/2009 |
| Sale price | $391,003 |
| Arm's length | Register |
| Current property tax | $6,632 |
| Building sqft | 1,309 |
| Building class | Single Family Residence (0100) |
| Acreage | 0.186
|
| Units | 1 |
| Year built | 1965 |
| Year last altered | Register |
| Bedrooms | 3 |
| Bathrooms | 2 |
| Heating/AC | Central refrigeration & heating |
| Zoning district | Low Medium Density Residential (RLM) |
| 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:
20580 Calpet Drive, Walnut, CA 91789 was built in 1965 and has a total of 1,309 square feet.
What is the assessed value of 20580 Calpet Drive, Walnut, CA 91789 and the property tax paid?Assessed at $514,789, the tax amount paid for 20580 Calpet Drive, Walnut, CA 91789 is $6,028.
When was 20580 Calpet Drive, Walnut, CA 91789 last sold and what was the last sale price?20580 Calpet Drive, Walnut, CA 91789 was last sold in 10/08/2009 for $391,003.
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 20580 Calpet Drive, Walnut, including title documents, transfer conditions, mortgages and liens.
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 20580 Calpet Drive, Walnut, CA 91789. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $6,029 |
| Current property tax | $6,632 |
| Market value | $514,789 |
| 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 |
| 14651 | Diamond Bar District #38 | Register |
| 02824 | Diamond Bar Lighting District | Register |
| 06181 | Greater L.A. County Vector Control District | Register |
| 03694 | La County Regional Park And Open Space District | Register |
Here's the assessment & property tax history for 20580 Calpet Drive, 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 | $514,789 | 1.1711 | $6,029 | +3.43% |
| 2024-2025 | $504,696 | 1.1549 | $5,829 | +2.57% |
| 2023-2024 | $494,801 | 1.1485 | $5,683 | +2.10% |
| 2022-2023 | $485,100 | 1.1474 | $5,566 | +1.76% |
| 2021-2022 | $475,589 | 1.1502 | $5,470 | +1.31% |
The complete history of permits filed for 20580 Calpet Drive, 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 20580 Calpet Drive, 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 20580 Calpet Drive, 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) |
|---|---|---|---|---|---|
| Walnut Valley Adult | NR | Public | 0 | 0.19 | |
| Walnut Elementary School | 8 | Public | K-5 | 671 | 0.34 |
| International Cross Academy | NR | Private | 1-12 | 0 | 0.35 |
| Discovery World Montessori | NR | Private | K-4 | 19 | 0.62 |
| Discovery World Montessori School | NR | Private | K-6 | 70 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Walnut Valley Adult | NR | Public | 0 | 0.19 | |
| International Cross Academy | NR | Private | 1-12 | 0 | 0.35 |
| South Pointe Middle School | 8 | Public | 6-8 | 879 | 0.57 |
| Wisdom Kids College | NR | Private | K-8 | 0 | 0.92 |
| Institute Of Knowledge | NR | Private | K-8 | 127 | 0.98 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Walnut Valley Adult | NR | Public | 0 | 0.19 | |
| International Cross Academy | NR | Private | 1-12 | 0 | 0.35 |
| Ron Hockwalt Academies (Continuation) School | NR | Public | 9-12 | 41 | 0.76 |
| Institute of Knowledge | NR | Private | K-10 | 265 | 1.02 |
| Elite Open School | NR | Private | 5-12 | 43 | 1.13 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20580 Calpet Drive, Walnut.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1129 Clorinda Dr, Walnut | 1,728 | 01/04/2019 | |
| 1107 Clorinda Dr, Walnut | 1,670 | 11/28/2017 | |
| 1135 Clorinda Dr, Walnut | 1,400 | 01/24/2003 | |
| 20574 Calpet Dr, Walnut | 1,400 | 12/05/2017 | |
| 20538 Calpet Dr, Walnut | 1,714 | 05/01/2025 | $1,000,000 |
| 20520 Calpet Dr, Walnut | 2,342 | 05/12/2017 | |
| 20588 Calpet Dr, Walnut | 1,714 | 01/12/2016 | |
| 1119 Clorinda Dr, Walnut | 1,400 | 05/17/2016 | $554,000 |
| 20570 Calpet Dr, Walnut | 2,100 | 07/09/2003 | |
| 20552 Calpet Dr, Walnut | 1,728 | 12/16/2015 | |
| 20532 Calpet Dr, Walnut | 1,400 | 06/28/2010 | |
| 20514 Calpet Dr, Walnut | 1,728 | 11/17/2023 | |
| 20406 Flintgate Dr, Walnut | 1,763 | 04/15/2016 | $628,000 |
| 1115 Clorinda Dr, Walnut | 1,330 | 02/25/2022 | $859,000 |
| 1123 Clorinda Dr, Walnut | 1,400 | 12/05/2008 | |
| 20564 Calpet Dr, Walnut | 1,330 | 07/23/1998 | |
| 20414 Flintgate Dr, Walnut | 1,291 | 11/04/2015 | $460,000 |
| 20548 Calpet Dr, Walnut | 1,810 | 09/17/1998 | |
| 20594 Calpet Dr, Walnut | 1,668 | 11/24/2021 | |
| 20558 Calpet Dr, Walnut | 2,048 | 09/27/2018 | $704,000 |