San Bernardino County property record for 3919 E Guasti Rd, Ontario, CA 91761
| Property Type | Commercial |
|---|---|
| Details | 208,832 sqft · built 1994 |
| Lot Size | 11 acres (483,412 sqft) |
| Owner | Company Name on Record |
| Last Sale | $20,180,000 (Oct 2014) |
| Tax Bill | $256,703 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Jan 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 0210-212-47-0000 |
| Primary APN | 0210-212-47-0000 |
|---|
| Units | 31 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 208,832 sqft Gross Area |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 483,412 sqft |
| Lot Dimensions | 1,161 ft deep x 416 ft wide |
| Parking Spaces | 490 Parking Spaces |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 3919 E GUASTI RD |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-1544 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | PAR MAP 4603 PAR 2 EX ANY PTN LYING ELY OF LI WHICH IS 416.09 FT E OF E LI PAR 3 SD PAR MAP MEAS AT R/A SD LI BEG AT NW COR PAR 1 SD PAR MAP TH N 0 DEG 23 MIN 25 SECNDS W 713.44 FT TO PT ON N LI PAR MAP 4603 |
| Legal Subdivision | CITY OF ONTARIO |
| Legal Block | 1 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 12700 |
Source: San Bernardino County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 3347 MICHELSON DR, 200, IRVINE, CA 92612-0687 |
| Owner Type | Company |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Apr 13, 2026 | Deed of Trust, Mortgage FIRST AMERICAN TITLE |
| Jan 21, 2021 | Deed of Trust, Mortgage · Commercial Mortgage GOLDMAN SACHS BANK USA |
| Mar 18, 2020 | Deed of Trust, Mortgage · Commercial Mortgage JPMORGAN CHASE BANK NA |
| Mar 2, 2017 | Loan Modification, Mortgage MISCELLANEOUS INS CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 16, 2014 · Amount on Record |
| Deed Sale | Oct 16, 2014 · Amount on Record |
| Prior Sale | Mar 13, 2013 |
| Deed Document Number | 2014388506 |
| Prior Transfer Date | Mar 11, 2013 |
| Prior Transfer Doc | 0000104405 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Apr 13, 2026 |
| Property Address | 3919 E GUASTI RD, ONTARIO, CA 91761-1544 |
| Document Number | 0000094144 |
| Instrument Date | Apr 9, 2026 |
| Instrument | 202694144 |
| Transaction Type | Mortgage |
| Record Updated | Jul 28, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership, 267 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 3919 E GUASTI RD, ONTARIO, CA 91761-1544 |
| Transaction Type | Mortgage |
| Record Updated | Jul 22, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 3347 MICHELSON DR, IRVINE, CA 92612-1692 |
| Document Number | 0000031777 |
|---|---|
| Date | Jan 21, 2021 |
| Instrument | 2021-0031777 |
| Name | GOLDMAN SACHS BANK USA |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 3919 E GUASTI RD, ONTARIO, CA 91761-1544 |
| Transaction Type | Mortgage |
| Record Updated | Jul 22, 2022 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0000097195 |
|---|---|
| Date | Mar 18, 2020 |
| Instrument | 2020-0097195 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | DALLAS, TX 75201 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Mar 2, 2017 |
| Property Address | 3919 E GUASTI RD, ONTARIO, CA 91761-1544 |
| Instrument | 94078 |
| Transaction Type | Mortgage |
| Record Updated | Mar 21, 2017 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 3347 MICHELSON DR #200 IRVINE CA 926120687, 200, IRVINE, CA 92612-0687 |
| Document Number | 0000094078 |
|---|---|
| Date | Mar 2, 2017 |
| Instrument | 94078 |
| Name | MISCELLANEOUS INS CO |
|---|---|
| Address | 2100 ROSS AVE # 2500, DALLAS, TX 75201-6732 |
| Amount | Amount Recorded |
|---|
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 | Cucamonga Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $24,738,414 (+2%) Land $6,504,561 Building $18,233,853 | |
| 2025 | $256,703.00 (+5.23%) | $24,253,347 (+4.04%) Land $6,377,021 Building $17,876,326 |
| 2023 | $243,951.00 (+1.85%) | $23,311,560 Land $6,129,393 Building $17,182,167 |
| 2022 | $239,509.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 42 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ultimate Internet Access Fiber | 8,000 / 8,000 |
May also be available: AT&T, GeoLinks, Inyo Networks, Spectrum, T-Mobile, Verizon.
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