San Bernardino County property record for 528 E F St, Ontario, CA 91764
| Property Type | Triplex |
|---|---|
| Details | 3 bd · 1 ba · 1,150 sqft · built 1932 |
| Lot Size | 0.195 acres (8,496 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,039 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1048-382-03-0000 |
| Primary APN | 1048-382-03-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,150 sqft Living Area |
| Gross Area | 2,530 sqft |
| 1st Floor Area | 1,150 sqft |
| Family Room | Family Room |
| Year Built | Built 1932 |
|---|---|
| Effective Year Built | Effective 1932 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Built-Up Asphalt |
| Lot Area | 8,496 sqft (0.195 acres) |
| Lot Dimensions | 177 ft deep x 48 ft wide |
| Garage Type | Detached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Patio/Porch |
|---|---|
| Porch Area | 484 sqft |
| Patio Area | 484 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 528 E F ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-3310 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | TOWN OF ONTAR1O W 48.33 FT E 96.66 FT S 154 FT LOT 3 BLK 938 AND N 23 FT ST ADJ ON SOUTH |
| Legal Subdivision | TOWN OF ONTARIO |
| Legal Block | 938 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 1501 |
528 E F St, a triplex, is owned by a company that acquired it in April 2009.
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 | Company Name on File |
|---|---|
| Mailing Address | 24499 EASTGATE DR, DIAMOND BAR, CA 91765-4627 |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 28, 2009 |
| Transfer Doc | 0000197757 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 528 E F St was $4,039.
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 | $373,478 (+2%) Land $101,189 Building $272,289 | |
| 2025 | $4,039.00 | $366,155 Land $99,205 Building $266,950 |
| 2023 | $3,837.00 (+1.35%) | $351,937 Land $95,353 Building $256,584 |
| 2022 | $3,786.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 528 E F St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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 528 E F 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 711 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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