Los Angeles County property record for 20345 Via Thomas Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,429 sqft · built 1974 |
| Lot Size | 0.21 acres (9,129 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $645,000 (Aug 2016) |
| Tax Bill | $9,434 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8720-006-047 |
| Primary APN | 8720-006-047 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,429 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 9,129 sqft (0.21 acres) |
| Lot Dimensions | 112 ft deep x 80 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20345 VIA THOMAS DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-2453 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR17200* |
| Legal Description | TRACT NO 27474 LOT 129 |
| Legal Subdivision | 27474 |
| Legal Tract | 27474 |
| Legal Block | 1 |
| Legal Lot Number | 129 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 403402 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 20345 VIA THOMAS DR, WALNUT, CA 91789-2453 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 30, 2016 · Amount on Record |
| Deed Sale | Aug 30, 2016 · Amount on Record |
| Deed Document Number | 20161034192 |
| Prior Transfer Date | Aug 31, 2001 |
| Prior Transfer Doc | 0001005898 |
| Record Updated | Oct 29, 2026 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $763,539 (+2%) Land $582,778 Building $180,761 | |
| 2025 | $9,434.00 (+7.23%) Homeowner's exemption | $748,568 (+4.04%) Land $571,351 Building $177,217 |
| 2023 | $8,798.00 (+2.12%) Homeowner's exemption | $719,503 Land $549,166 Building $170,337 |
| 2022 | $8,615.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1980) |
| Most Recent Claim | Jan 1980 · tidal / storm surge |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 621 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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