San Bernardino County property record for 643 E Oak Hill St, Ontario, CA 91761
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,584 sqft · built 1979 |
| Lot Size | 0.166 acres (7,210 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,392 (2025) |
| Deeds & Mortgages | Mar 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1051-201-55-0000 |
| Primary APN | 1051-201-55-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,584 sqft Living Area |
| Gross Area | 2,266 sqft |
| 1st Floor Area | 1,584 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,210 sqft (0.166 acres) |
| Lot Dimensions | 103 ft deep x 70 ft wide |
| Garage Type | Attached |
| Garage Area | 682 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 60 sqft |
| Patio Area | 60 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 643 E OAK HILL ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-6033 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 9938 LOT 20 |
| Legal Tract | 9938 |
| Legal Block | 1 |
| Legal Lot Number | 20 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 1804 |
643 E Oak Hill St is owned by a company that acquired it in March 2018 and is owner-occupied.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 643 E OAK HILL ST, ONTARIO, CA 91761-6033 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Tenants in Common |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 11, 2018 |
| Transfer Doc | 0000088435 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Mar 13, 2018 |
| Property Address | 643 E OAK HILL ST, ONTARIO, CA 91761-6033 |
| Document Number | 0000088435 |
| Instrument Date | Mar 11, 2018 |
| Instrument | 88435 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2018 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 643 E OAK HILL ST ONTARIO CA 917616033, ONTARIO, CA 91761-6033 |
The 2025 property tax bill for 643 E Oak Hill St was $2,392 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 | $223,441 (+2%) Land $44,691 Building $178,750 | |
| 2025 | $2,392.00 Homeowner's exemption | $219,060 Land $43,815 Building $175,245 |
| 2023 | $2,272.00 (+1.34%) Homeowner's exemption | $210,554 Land $42,114 Building $168,440 |
| 2022 | $2,242.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 643 E Oak Hill 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 643 E Oak Hill 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 687 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures