San Bernardino County property record for 146 Lassen Pl, Ontario, CA 91764
| Property Type | Quadplex |
|---|---|
| Details | 4 ba · 4,001 sqft · built 1986 |
| Lot Size | 0.267 acres (11,620 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $240,000 (Mar 2001) |
| Tax Bill | $4,997 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 0110-072-19-0000 |
| Primary APN | 0110-072-19-0000 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Units | 4 Units |
| Building Area | 4,001 sqft Total Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Quadruplex |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 11,620 sqft (0.267 acres) |
| Lot Dimensions | 140 ft deep x 83 ft wide |
| View / Lot | Average |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 146 LASSEN PL |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-4478 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | TRACT 12959 LOT 4 |
| Legal Tract | 12959 |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 1504 |
Source: San Bernardino County records, 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 Individual Names on Record |
|---|---|
| Mailing Address | PO BOX 406, CHINO HILLS, CA 91709-0014 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 5, 2001 · Amount on Record |
| Deed Sale | Mar 5, 2001 · Amount on Record |
| Prior Sale | Mar 21, 1997 · Amount on Record |
| Deed Document Number | 200180463 |
| Last Transfer Date | Apr 21, 2004 |
| Transfer Doc | 0000315343 |
| Record Updated | Sep 20, 2026 |
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 | $462,038 (+2%) Land $108,000 Building $354,038 | |
| 2025 | $4,997.00 (+5.27%) | $452,978 (+4.04%) Land $105,882 Building $347,096 |
| 2023 | $4,747.00 (+1.35%) | $435,389 Land $101,771 Building $333,618 |
| 2022 | $4,684.00 |
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 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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 | 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 124 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures