| Primary address | 22278 Roundup Drive, Walnut |
| Zip code | 91789 |
| County | Los Angeles |
| Municipality | Walnut |
| Neighborhood | Lanterman |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/22/2023 |
| Sale price | $1,570,000 |
| Arm's length | Register |
| Current property tax | $20,220 |
| Building sqft | 2,484 |
| Building class | Single Family Residence with Pool (0101) |
| Acreage | 0.362
|
| Units | 1 |
| Year built | 1988 |
| Year last altered | Register |
| Bedrooms | 4 |
| Bathrooms | 3 |
| Heating/AC | Central refrigeration & heating |
| Pool | Yes |
| Zoning district | Residential Planned Development Zone (16,800 SF) (RPD) |
| 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:
22278 Roundup Drive, Walnut, CA 91789 was built in 1988 and has a total of 2,484 square feet.
What is the assessed value of 22278 Roundup Drive, Walnut, CA 91789 and the property tax paid?Assessed at $1,633,427, the tax amount paid for 22278 Roundup Drive, Walnut, CA 91789 is $19,129.
When was 22278 Roundup Drive, Walnut, CA 91789 last sold and what was the last sale price?22278 Roundup Drive, Walnut, CA 91789 was last sold in 12/22/2023 for $1,570,000.
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 22278 Roundup Drive, Walnut, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 12/22/2023 | $1,570,000 | Register | Register |
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 22278 Roundup 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 | $19,129 |
| Current property tax | $20,220 |
| Market value | $1,633,427 |
| Tax per sqft | $8 |
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 22278 Roundup 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 | $1,633,427 | 1.1711 | $19,129 | +3.43% |
| 2024-2025 | $1,601,400 | 1.1549 | $18,495 | +244.59% |
| 2023-2024 | $467,314 | 1.1485 | $5,367 | +2.10% |
| 2022-2023 | $458,152 | 1.1474 | $5,257 | +1.76% |
| 2021-2022 | $449,170 | 1.1502 | $5,166 | +1.31% |
The complete history of permits filed for 22278 Roundup 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 22278 Roundup 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) | D (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 22278 Roundup 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) |
|---|---|---|---|---|---|
| Armstrong Elementary School | 6 | Public | K-6 | 257 | 1.28 |
| Diamond Bar Montessori Academy | NR | Private | PK-K | 33 | 1.45 |
| Diamond Bar Montessori Academy | NR | Private | PK-K | 33 | 1.45 |
| Diamond Bar Montessori Academy | NR | Private | K-3 | 0 | 1.47 |
| Collegewood Elementary School | 7 | Public | K-5 | 582 | 1.66 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Suzanne Middle School | 8 | Public | 6-8 | 1,120 | 1.51 |
| Mt. Calvary Lutheran School | NR | Private | PK-8 | 192 | 1.75 |
| Lorbeer Middle School | 5 | Public | 7-8 | 623 | 1.85 |
| Aims Academy | NR | Private | 1-12 | 0 | 2.47 |
| Institute of Knowledge | NR | Private | K-10 | 265 | 2.67 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| International Polytechnic High School | 9 | Public | 9-12 | 483 | 1.66 |
| Walnut High School | 10 | Public | 9-12 | 2,158 | 1.67 |
| Aims Academy | NR | Private | 1-12 | 0 | 2.47 |
| Ron Hockwalt Academies (Continuation) School | NR | Public | 9-12 | 41 | 2.61 |
| Institute of Knowledge | NR | Private | K-10 | 265 | 2.67 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 22278 Roundup Drive, Walnut.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 22272 Roundup Dr, Walnut | 2,185 | 03/09/2012 | |
| 22258 Roundup Dr, Walnut | 2,484 | 03/22/2023 | $1,580,000 |
| 22114 Settler CT, Walnut | 2,273 | 04/26/2019 | |
| 838 Coyote Dr, Walnut | 2,273 | 09/05/2025 | |
| 22252 Roundup Dr, Walnut | 2,484 | 09/15/2014 | |
| 22218 Roundup Dr, Walnut | 2,273 | 10/12/2012 | $699,000 |
| 22120 Settler CT, Walnut | 2,185 | 01/15/2021 | |
| 22117 Settler CT, Walnut | 2,484 | 09/16/2008 | |
| 22240 Roundup Dr, Walnut | 2,273 | 05/12/2020 | |
| 22126 Settler CT, Walnut | 2,982 | 09/15/2023 | |
| 22129 Settler CT, Walnut | 2,684 | 05/18/2023 | |
| 22108 Settler CT, Walnut | 2,484 | 10/22/2020 | $1,130,000 |
| 22232 Roundup Dr, Walnut | 2,681 | 11/27/2018 | |
| 22288 Roundup Dr, Walnut | 2,689 | 10/07/2022 | |
| 22246 Roundup Dr, Walnut | 2,185 | 08/12/2011 | $810,000 |
| 22125 Settler CT, Walnut | 2,199 | 10/11/1990 | $352,500 |
| 22264 Roundup Dr, Walnut | 2,273 | 08/10/2023 | |
| 22224 Roundup Dr, Walnut | 2,484 | 05/10/2000 | |
| 22102 Settler CT, Walnut | 2,273 | 12/09/1992 | $352,500 |
| 22210 Roundup Dr, Walnut | 2,185 | 04/28/2026 |