San Bernardino County property record for 2445 E Guasti Rd, Ontario, CA 91761
| Property Type | Commercial Office |
|---|---|
| Details | 4,670 sqft · built 1977 |
| Lot Size | 1.67 acres (73,180 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $7,619 (2025) |
| Deeds & Mortgages | Mar 2026 Transfer Oct 2021 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 0110-322-30-0000 |
| Primary APN | 0110-322-30-0000 |
|---|
| Building Area | 4,670 sqft Gross Area |
|---|
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Construction Type | Concrete |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 73,180 sqft |
| Garage Area | 8,000 sqft |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 2445 E GUASTI RD |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-7675 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | C1 |
| Legal Description | TRACT 2244 PTN LOT 3 BLK 22 BEG AT A PT ON N LI EAST A ST 2228.38 FT W OF NW COR EAST A AND ARCHIBALD AVE INTERSECTION SD PT BEING ON ELY LI SAN BERNARDINO COUNTY FLOOD CONTROL CHANNEL TH S 89 DEG 33 MIN 22 SECONDS E TO E LI PROPERTY CONVEYED BY DEED |
| Legal Tract | 2244 |
| Legal Block | 22 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 1600 |
Source: San Bernardino County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 16171 HILLSMONT LN, RIVERSIDE, CA 92503-8401 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 13, 2026 | Intrafamily Transfer, Transfer |
| Oct 15, 2021 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 11, 2026 |
| Transfer Doc | 0000067159 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Mar 13, 2026 |
| Property Address | 2445 E GUASTI RD, ONTARIO, CA 91761-7675 |
| Document Number | 0000067159 |
| Map Reference | MB 35 PG 50-56 |
| Instrument Date | Mar 11, 2026 |
| Instrument | 2026-0067159 |
| Transaction Type | Transfer |
| Record Updated | Apr 7, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 16171 HILLSMONT LN, RIVERSIDE, CA 92503-8401 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Oct 15, 2021 |
| Property Address | 2445 E GUASTI RD, ONTARIO, CA 91761-7675 |
| Document Number | 0000468676 |
| Map Reference | MB 35 PG 50-56 |
| Instrument Date | Oct 8, 2021 |
| Instrument | 2021-0468676 |
| Transaction Type | Transfer |
| Record Updated | Oct 28, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 23 CORPORATE PLAZA DR STE 150, 150, NEWPORT BEACH, CA 92660-7908 |
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 | $714,804 (+2%) Land $445,455 Building $269,349 | |
| 2025 | $7,619.00 (+5.21%) | $700,789 (+4.04%) Land $436,721 Building $264,068 |
| 2023 | $7,242.00 (+1.89%) | $673,577 Land $419,763 Building $253,814 |
| 2022 | $7,108.00 |
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
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| GeoLinks Fixed Wireless | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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