San Bernardino County property record for 1600 E 4th St, Ontario, CA 91764
| Property Type | Quadplex |
|---|---|
| Details | 2 bd · 1 ba · 3,396 sqft · built 1963 |
| Lot Size | 0.152 acres (6,600 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,760,000 (Jun 2015) |
| Tax Bill | $7,699 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage Dec 2017 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 0110-342-14-0000 |
| Primary APN | 0110-342-14-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Units | 4 Units |
| Building Area | 3,396 sqft Total Area |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Quadruplex |
| Construction Type | Wood |
| Lot Area | 6,600 sqft (0.152 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 4 Parking Spaces |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 1600 E 4TH ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91764-2654 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | TRACT 5014 LOT 82 |
| Legal Subdivision | THRU 82 OF TRACT NO. 5014 |
| Legal Tract | 5014 |
| Legal Block | 2 |
| Legal Lot Number | 82 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 1308 |
Source: San Bernardino County records · APN 0110-342-14-0000
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 | 4900 SANTA ANITA AVE, 2C, EL MONTE, CA 91731-1490 |
| Owner Type | Company |
| Date | Document |
|---|---|
| Feb 28, 2022 | Deed of Trust, Mortgage · Commercial Mortgage MECHANICS BANK |
| Dec 29, 2017 | Deed of Trust, Mortgage · Commercial Mortgage MECHANICS BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 16, 2015 · Amount on Record |
| Deed Sale | Jun 16, 2015 · Amount on Record |
| Deed Document Number | 2015250026 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 1600 E 4TH ST, ONTARIO, CA 91764-2654 |
| Transaction Type | Mortgage |
| Record Updated | Aug 22, 2023 |
| Title Company | ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 4900 SANTA ANITA AVE 2C, 2C, EL MONTE, CA 91731-1490 |
| Document Number | 0000077657 |
|---|---|
| Date | Feb 28, 2022 |
| Instrument | 2022-0077657 |
| Name | MECHANICS BANK |
|---|---|
| Type | Bank |
| Address | SANTA MARIA, CA 93456 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 1600 E 4TH ST, ONTARIO, CA 91764-2654 |
| Transaction Type | Mortgage |
| Record Updated | Jul 22, 2022 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000555301 |
|---|---|
| Date | Dec 29, 2017 |
| Instrument | 2017-0555301 |
| Name | MECHANICS BANK |
|---|---|
| Type | Bank |
| Address | HERCULES, CA 94547 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $679,491 (+2%) Land $98,071 Building $581,420 | |
| 2025 | $7,699.00 (+10.57%) | $666,168 (+4.04%) Land $96,148 Building $570,020 |
| 2023 | $6,963.00 (+1.34%) | $640,300 Land $92,415 Building $547,885 |
| 2022 | $6,871.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 6 (1980–2004) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Oct 2004 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, California Internet.
Based on FCC filings for 608 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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