San Bernardino County property record for 1850 E 4th St, Ontario, CA 91764 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Quadplex |
|---|---|
| Bathrooms | 4 Baths |
| Architecture Style | Quadruplex |
| Year Built | Built 1964 |
| Square Footage | 4,800 sqft Total Area |
| Lot Size | 8,070 sqft (0.185 acres) |
| Last Sale | $124,000 (1996) |
| Tax Bill | $3,248.00 (2025) |
| Primary APN | 0110-334-12-0000 |
|---|
| Full Baths | 4 Baths |
|---|---|
| Units | 4 Units |
| Building Area | 4,800 sqft Total Area |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Quadruplex Style |
| Construction Type | Steel Frame Construction |
| Lot Area | 8,070 sqft (0.185 acres) |
| Sewage | Municipal Sewage |
|---|---|
| Water Source | Commercial Water Source |
| Street Address | 1850 E 4TH ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-2670 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Quadplex |
| Legal Description | TRACT 6847 LOT 15 EX ALLEY |
| Legal Tract | 6847 |
| Legal Block | 2 |
| Legal Lot Number | 15 |
| Jurisdiction | SAN BERNARDINO CA |
| Minor Civil Division | ONTARIO |
| Census Blockgroup | 2 |
| Census Block | 2000 |
| Census Tract | 1308 |
Source: San Bernardino County records · APN 0110-334-12-0000
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 | Company Name on File |
|---|---|
| Mailing Address | 8343 AVENIDA LEON, RANCHO CUCAMONGA, CA 91730-3412 |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1996361853 |
| Last Transfer Date | Aug 09, 2011 |
| Transfer Doc | 0000368615 |
| Record Refreshed | 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 | $299,027 (+2%) Land $74,757 Building $224,270 | |
| 2025 | $3,248.00 (+5.28%) | $293,164 (+4.04%) Land $73,291 Building $219,873 |
| 2023 | $3,085.00 (+1.35%) | $281,780 Land $70,445 Building $211,335 |
| 2022 | $3,044.00 |
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