San Bernardino County property record for 3110 E Guasti Rd, Ontario, CA 91761
| Property Type | Commercial Office |
|---|---|
| Details | 99,968 sqft · built 2005 |
| Lot Size | 6.53 acres (284,882 sqft) |
| Owner | Company Name on Record |
| Last Sale | $22,100,000 (Dec 2019) |
| Tax Bill | $256,044 (2025) |
| Deeds & Mortgages | Dec 2019 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 0210-551-10-0000 |
| Primary APN | 0210-551-10-0000 |
|---|
| Units | 6 Units |
|---|---|
| Stories | 5 Stories |
| Building Area | 99,968 sqft Gross Area |
| Elevator | Elevator |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Construction Type | Steel Frame |
| Fire Resistance | Fireproof Steel Frame |
| Lot Area | 284,882 sqft |
| Parking Spaces | 640 Parking Spaces |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 3110 E GUASTI RD |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-1219 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | PARCEL MAP 11058 PTN PAR 1 AND 3 AND ALL PAR 2 COM AT SWLY COR PAR 3 SD PM TH N 00 DEG 22 MIN 26 SECONDS W 492.08 FT TH N 89 DEG 47 MIN 26 SECONDS W 247.07 FT TH N 00 DEG 22 MIN 26 SECONDS W 162.71 FT TH S 89 DEG 37 MIN 34 SECONDS W 270.01 |
| Legal Subdivision | CITY OF ONTARIO |
| Legal Block | 1 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 1 |
| Census Block | 1041 |
| Census Tract | 12700 |
Source: San Bernardino County records, as of October 5, 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 Record |
|---|---|
| Mailing Address | 3800 E CONSOURS ST # 100, 100, ONTARIO, CA 91764 |
| Owner Type | Company |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 10, 2019 · Amount on Record |
| Deed Sale | Dec 10, 2019 · Amount on Record |
| Prior Sale | Apr 17, 2015 · Amount on Record |
| Deed Document Number | 2019456365 |
| Prior Transfer Date | Mar 23, 2004 |
| Prior Transfer Doc | 0000214215 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Dec 10, 2019 |
| Property Address | 3110 E GUASTI RD, ONTARIO, CA 91761-1219 |
| Document Number | 0000456365 |
| Map Reference | DOC 192198 |
| Instrument Date | Dec 9, 2019 |
| Instrument | 2019-0456365 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3800 CONCOURS STE 100, 100, ONTARIO, CA 91764-5918 |
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 | $24,652,973 (+2%) Land $7,920,186 Building $16,732,787 | |
| 2025 | $256,044.00 (+5.19%) | $24,169,581 (+4.04%) Land $7,764,888 Building $16,404,693 |
| 2023 | $243,406.00 (+1.86%) | $23,231,046 Land $7,463,368 Building $15,767,678 |
| 2022 | $238,971.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 8 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, Spectrum, Ultimate Internet Access.
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