San Bernardino County property record for 603 E 4th St, Ontario, CA 91764 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1926 |
| Square Footage | 1,072 sqft Living Area |
| Lot Size | 11,400 sqft (0.262 acres) |
| Garage | Detached, 216 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $249.00 (2025) |
| Primary APN | 1047-512-33-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 1,072 sqft Living Area |
| 1st Floor | 1,072 sqft 1st Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Conventional Style |
| Construction Type | Frame Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 11,400 sqft (0.262 acres) |
| Depth X Width | 150 ft x 76 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 216 sqft Garage |
| Patio Area | 35 sqft Patio |
| Porch Area | 35 sqft Porch |
| Cooling System | None Cooling |
|---|---|
| Heating System | Floor/Wall Furnace Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 603 E 4TH ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-2808 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | ONTAR1O COLONY LANDS S 150 FT W 76 FT LOT 802 |
| Legal Subdivision | ONTARIO COLONY LANDS |
| Legal Block | 1 |
| Legal Lot Number | 802 |
| Jurisdiction | SAN BERNARDINO CA |
| Minor Civil Division | ONTARIO |
| Census Blockgroup | 1 |
| Census Block | 1008 |
| Census Tract | 1200 |
Source: San Bernardino County records · APN 1047-512-33-0000
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 | 603 E 4TH ST, ONTARIO, CA 91764-2808 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 20, 2010 |
| Deed Sale | Jan 20, 2010 |
| Prior Sale | Oct 24, 2000 · Amount on Record |
| Deed Doc Number | 201023313 |
| Prior Transfer Date | Jan 08, 2010 |
| Prior Transfer Doc | 0000023313 |
| 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 | $199,812 (+2%) Land $99,906 Building $99,906 | |
| 2025 | $249.00 (-49.29%) Homeowner's exemption Disabled Person's exemption | $195,894 (+4.04%) Land $97,947 Building $97,947 |
| 2023 | $491.00 (-74.88%) Homeowner's exemption | $188,286 Land $94,143 Building $94,143 |
| 2022 | $1,955.00 |
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