San Bernardino County property record for 434 W Locust St, Ontario, CA 91762
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,685 sqft · built 1940 |
| Lot Size | 0.445 acres (19,370 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $113,000 (Nov 1998) |
| Tax Bill | $2,139 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1050-031-23-0000 |
| Primary APN | 1050-031-23-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,685 sqft Living Area |
| 1st Floor Area | 1,685 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 19,370 sqft (0.445 acres) |
| View / Lot | Average |
| Garage Type | Detached |
| Garage Area | 700 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 229 sqft |
| Patio Area | 192 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 434 W LOCUST ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2488 LOT 23 BLOCK A |
| Legal Tract | 2488 |
| Legal Block | A |
| Legal Lot Number | 23 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 1707 |
434 W Locust St is owned and occupied by two individuals who bought it in November 1998.
Source: San Bernardino County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 434 W LOCUST ST, ONTARIO, CA 91761 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 4, 1998 · Amount on File |
| Deed Sale | Nov 4, 1998 · Amount on File |
| Prior Sale | Sep 4, 1998 · Amount on File |
| Deed Document Number | 1998474019 |
| Prior Transfer Date | Aug 31, 1998 |
| Prior Transfer Doc | 0000379919 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 434 W Locust St was $2,139 with a homeowner's exemption.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Ontario City |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Elementary School District | Ontario-Montclair School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $204,339 (+2%) Land $63,965 Building $140,374 | |
| 2025 | $2,139.00 Homeowner's exemption | $200,333 Land $62,711 Building $137,622 |
| 2023 | $2,029.00 (+1.4%) Homeowner's exemption | $192,553 Land $60,275 Building $132,278 |
| 2022 | $2,001.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 434 W Locust St in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 434 W Locust St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2025 |
| 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 659 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks.
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