San Bernardino County property record for 538 E 4th St, Ontario, CA 91764 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Modern |
| Year Built | Built 1957 |
| Square Footage | 1,523 sqft Living Area |
| Lot Size | 7,865 sqft (0.181 acres) |
| Garage | Attached, 391 sqft |
| Tax Bill | $2,696.00 (2025) |
| Primary APN | 1048-091-06-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,523 sqft Living Area |
| Gross Area | 2,090 sqft Gross Area |
| 1st Floor | 1,523 sqft 1st Floor |
| Basement Area | 176 sqft Basement |
| Family Room | Family Room |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Modern Style |
| Construction Type | Frame Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 7,865 sqft (0.181 acres) |
| Depth X Width | 121 ft x 65 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 391 sqft Garage |
| Patio Area | 167 sqft Patio |
| Porch Area | 167 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 538 E 4TH ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-2807 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 5139 LOT 10 |
| Legal Tract | 5139 |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | SAN BERNARDINO CA |
| Minor Civil Division | ONTARIO |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 1200 |
Source: San Bernardino County records · APN 1048-091-06-0000
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1686 N LAUREL AVE, UPLAND, CA 91784-1920 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Sole Owner |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 01, 2013 |
| Transfer Doc | 0000107673 |
| 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 | $249,019 (+2%) Land $86,702 Building $162,317 | |
| 2025 | $2,696.00 (+5.31%) | $244,136 (+4.04%) Land $85,002 Building $159,134 |
| 2023 | $2,560.00 (+1.31%) | $234,656 Land $81,701 Building $152,955 |
| 2022 | $2,527.00 |
Source: FEMA National Flood Hazard Layer, San Bernardino County (06071C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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