San Bernardino County property record for 991 W Mountain Ave, Upland, CA 91784
| Property Type | Vacant Land |
|---|---|
| Lot Size | 0.35 acres (15,238 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $230 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1003-431-06-0000 |
| Primary APN | 1003-431-06-0000 |
|---|
| Lot Area | 15,238 sqft (0.35 acres) |
|---|
| Water Source | Commercial |
|---|
| Street Address | 991 W MOUNTAIN AVE |
|---|---|
| City | UPLAND |
| State | CA |
| Zip | 91784 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Local Zoning Code | RL5 |
| Legal Description | SAN ANTONIO HEIGHTS THAT PTN LOTS 4 AND 5 BLK 37 LYING NLY OF CAMP BALDY ROAD .13 AC M/L |
| Legal Subdivision | SAN ANTONIO HEIGHTS |
| Legal Block | 37 |
| Legal Lot Number | 4,5 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 804 |
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 | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 51111, LOS ANGELES, CA 90051-5700 |
| Owner Type | Company |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Unified School District | Upland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,829 (+2%) Land $3,829 | |
| 2025 | $230.00 (+5.99%) | $3,754 (+4.05%) Land $3,754 |
| 2023 | $217.00 (+2.36%) | $3,608 Land $3,608 |
| 2022 | $212.00 |
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 |
| Nearby Flood Claims | 2 (1980–1982) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Nov 1982 · rainfall accumulation |
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 | Extreme above 97% of the US · above 86% of California |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | SAN ANTONIO WATER COMPANY private · serves 3,441 people · EPA ID CA3610085 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | Under 1 ppb (2023–2025) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 242 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 |
May also be available: T-Mobile.
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