San Bernardino County property record for 961 W Mountain Ave, Upland, CA 91784
| Property Type | Vacant Land |
|---|---|
| Lot Size | 15.9 acres (692,604 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,220,000 (Jul 2005) |
| Tax Bill | $8,091 (2025) |
| Deeds & Mortgages | Sep 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1003-431-04-0000 |
| Primary APN | 1003-431-04-0000 |
|---|
| Lot Area | 692,604 sqft |
|---|
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 961 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 ANTON1O HTS UNSUB PTN BLK 37 LY1NG S OF N L1 BLK 38 EXT W EX COM AT NW COR LOT 5 BLK 37 TH NLY ALG W L1 BLK 37 A D1ST OF 335 FT TH ELY PARALLEL TO N L1 BLK 37 A D1ST OF 25O FT TH SLY PARALLEL TO W L1 BLK 37 TO N L1 LOT 4 BLK 37 TH WLY ALG N L1 LO |
| Legal Subdivision | TRACT 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 |
961 W Mountain Ave, vacant land, is held in a trust since August 2021.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 136 N GRAND AVE, WEST COVINA, CA 91791-1728 |
| Owner Type | Company |
| Vesting | Trust, Corporate Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 26, 2005 · Amount on File |
| Deed Sale | Jul 26, 2005 · Amount on File |
| Deed Document Number | 2005536026 |
| Last Transfer Date | Aug 28, 2021 |
| Transfer Doc | 0000417952 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Sep 14, 2021 |
| Property Address | 961 W MOUNTAIN AVE, UPLAND, CA 91784 |
| Document Number | 0000417952 |
| Map Reference | MB 4 PG 48 |
| Instrument Date | Aug 28, 2021 |
| Instrument | 2021-0417952 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 136 N GRAND AVE # 283, 283, WEST COVINA, CA 91791-1728 |
The 2025 property tax bill for 961 W Mountain Ave was $8,091.
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 | $739,450 (+2%) Land $739,450 | |
| 2025 | $8,091.00 | $724,951 Land $724,951 |
| 2023 | $7,723.00 (+2.16%) | $696,800 Land $696,800 |
| 2022 | $7,560.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 961 W Mountain Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1980.
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.
Wildfire risk around 961 W Mountain Ave is extreme, ranking above 99.7% of the US, with a 5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 99.7% of the US · above 98.4% of California |
|---|---|
| Wildfire Likelihood | 5% annual chance |
| Exposure | Direct burnable vegetation |
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 4 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
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