San Bernardino County property record for 631 E Ralston St, Ontario, CA 91761
| Property Type | Triplex |
|---|---|
| Details | 2 bd · 1 ba · 2,628 sqft · built 1983 |
| Lot Size | 0.209 acres (9,120 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,801 (2025) |
| Deeds & Mortgages | Aug 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1049-502-25-0000 |
| Primary APN | 1049-502-25-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Units | 3 Units |
| Stories | 1 Story |
| Building Area | 2,628 sqft Total Area |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Triplex |
| Construction Type | Wood |
| Lot Area | 9,120 sqft (0.209 acres) |
| Parking Spaces | 3 Parking Spaces |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 631 E RALSTON ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-3428 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | TRACT 2441 LOT 19 AND W 1/2 LOT 20 (PER LOT LINE ADJUSTMENT RECORDED 8/18/82 #162151) |
| Legal Tract | 2441 |
| Legal Block | 3 |
| Legal Lot Number | 19 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 1813 |
631 E Ralston St, a triplex, is owned by a company that acquired it in March 2018.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 6724 ALVINA ST, BELL GARDENS, CA 90201-1914 |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 9, 2018 |
| Transfer Doc | 0000299655 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Aug 16, 2018 |
| Property Address | 631 E RALSTON ST, ONTARIO, CA 91761-3428 |
| Document Number | 0000299655 |
| Instrument Date | Mar 9, 2018 |
| Instrument | 299655 |
| Transaction Type | Transfer |
| Record Updated | Nov 21, 2018 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 6724 ALVINA ST BELL GARDENS CA 902011914, BELL GARDENS, CA 90201-1914 |
The 2025 property tax bill for 631 E Ralston St was $4,801.
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 | $444,461 (+2%) Land $130,948 Building $313,513 | |
| 2025 | $4,801.00 | $435,746 Land $128,380 Building $307,366 |
| 2023 | $4,560.00 (+1.33%) | $418,825 Land $123,395 Building $295,430 |
| 2022 | $4,500.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 631 E Ralston St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 631 E Ralston St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 240 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 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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