San Bernardino County property record for 5424 Clair St, Ontario, CA 91762
| Property Type | Duplex |
|---|---|
| Details | 4 ba · 1,696 sqft · built 1966 |
| Lot Size | 0.206 acres (8,970 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $230,000 (Jun 2010) |
| Tax Bill | $3,299 (2025) |
| Deeds & Mortgages | Feb 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1011-501-39-0000 |
| Primary APN | 1011-501-39-0000 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Units | 2 Units |
| Building Area | 1,696 sqft Total Area |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Duplex Single |
| Construction Type | Steel Frame |
| Lot Area | 8,970 sqft (0.206 acres) |
| Lot Dimensions | 115 ft deep x 78 ft wide |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 5424 CLAIR ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91762-7633 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RS20M |
| Legal Description | TRACT 6935 LOT 17 |
| Legal Subdivision | TRACT 6935 |
| Legal Tract | 6935 |
| Legal Block | 3 |
| Legal Lot Number | 17 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 304 |
Source: San Bernardino County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 11639 TELEPHONE AVE, CHINO, CA 91710-1824 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 25, 2010 · Amount on Record |
| Deed Sale | Jun 25, 2010 · Amount on Record |
| Prior Sale | Jun 17, 2010 · Amount on Record |
| Deed Document Number | 2010254366 |
| Last Transfer Date | Sep 25, 2023 |
| Transfer Doc | 0000040633 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Feb 20, 2024 |
| Property Address | 5424 CLAIR ST, ONTARIO, CA 91762-7633 |
| Document Number | 0000040633 |
| Map Reference | MB 93 PG 5&6 |
| Instrument Date | Sep 25, 2023 |
| Instrument | 2024-0040633 |
| Transaction Type | Transfer |
| Record Updated | Mar 1, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 11639 TELEPHONE AVE, CHINO, CA 91710-1824 |
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| 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 | $302,828 (+2%) Land $105,330 Building $197,498 | |
| 2025 | $3,299.00 (+5.26%) | $296,890 (+4.04%) Land $103,265 Building $193,625 |
| 2023 | $3,134.00 (+1.33%) | $285,361 Land $99,255 Building $186,106 |
| 2022 | $3,093.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | MONTE VISTA WD serves 56,390 people · EPA ID CA3610029 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Lead | Under 1 ppb (2023–2025) 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 272 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures