San Bernardino County property record for 1057 E I St, Ontario, CA 91764
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 981 sqft · built 1947 |
| Lot Size | 0.14 acres (6,100 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $162,000 (Aug 2003) |
| Tax Bill | $2,468 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1048-121-09-0000 |
| Primary APN | 1048-121-09-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 981 sqft Living Area |
| Gross Area | 1,341 sqft |
| 1st Floor Area | 981 sqft |
| Family Room | Family Room |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 6,100 sqft (0.14 acres) |
| Lot Dimensions | 100 ft deep x 61 ft wide |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Patio/Porch |
| Porch Area | 80 sqft |
| Patio Area | 80 sqft |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1057 E I ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-3503 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2931 LOT 244 EX MINERAL RIGHTS |
| Legal Tract | 2931 |
| Legal Block | 3 |
| Legal Lot Number | 244 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 1310 |
Source: San Bernardino County records · APN 1048-121-09-0000
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 1057 E I ST, ONTARIO, CA 91764-3503 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 08, 2003 · Amount on Record |
| Deed Sale | Aug 08, 2003 · Amount on Record |
| Deed Document Number | 2003587878 |
| Record Updated | Sep 20, 2026 |
Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $234,938 (+2%) Land $82,228 Building $152,710 | |
| 2025 | $2,468.00 (+5.43%) Homeowner's exemption | $230,332 (+4.04%) Land $80,616 Building $149,716 |
| 2023 | $2,341.00 (+1.39%) Homeowner's exemption | $221,387 Land $77,485 Building $143,902 |
| 2022 | $2,309.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
May also be available: T-Mobile USA, Verizon.
Based on FCC filings for 910 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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