San Bernardino County property record for 2478 N Mountain Ave, Upland, CA 91784
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 7 ba · 8,981 sqft · built 2010 |
| Lot Size | 0.744 acres (32,400 sqft) |
| Owner | Individual Name on File |
| Last Sale | $4,122,000 (Apr 2025) |
| Tax Bill | $18,663 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1003-371-10-0000 |
| Primary APN | 1003-371-10-0000 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 7 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 8,981 sqft Living Area |
| Gross Area | 12,009 sqft |
| 1st Floor Area | 5,672 sqft |
| 2nd Floor Area | 3,309 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Modern |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 32,400 sqft (0.744 acres) |
| Garage Type | Attached |
| Garage Area | 3,028 sqft |
| Parking Spaces | 10 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Porch | Patio/Porch |
| Porch Area | 174 sqft |
| Patio Area | 831 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 2478 N MOUNTAIN AVE |
|---|---|
| City | UPLAND |
| State | CA |
| Zip | 91784-8677 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS14M |
| Legal Description | SAN ANTONIO HEIGHTS PTN LOTS 6 AND 7 BLK 19 DESC AS BEG AT PT IN SLY LI SD LOT 6 90 FT E OF SW COR SD LOT 6 TH NW TO PT IN NWLY LI SD LOT 6 WHICH IS 270 FT NELY MEASURED ALG NWLY LI LOTS 5 AND 6 BLK 19 FROM NW COR LOT 5 SD BLK 19 TH NWLY ALG NWLY LI |
| Legal Subdivision | SAN ANTONIO HEIGHTS |
| Legal Block | 19 |
| Legal Lot Number | 6,7 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 804 |
2478 N Mountain Ave is owned and occupied by an individual who bought it in April 2025.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2478 N MOUNTAIN AVE, UPLAND, CA 91784-8677 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Apr 16, 2025 · Amount on File |
| Deed Sale | Apr 16, 2025 · Amount on File |
| Prior Sale | Aug 25, 2004 · Amount on File |
| Deed Document Number | 202582139 |
| Prior Transfer Date | Apr 9, 2025 |
| Prior Transfer Doc | 0000082138 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Apr 21, 2026 |
| Property Address | 2478 N MOUNTAIN AVE, UPLAND, CA 91784-8677 |
| Document Number | 0000101246 |
| Instrument Date | Apr 13, 2026 |
| Instrument | 2026101246 |
| Transaction Type | Mortgage |
| Record Updated | Jul 28, 2026 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Relationship | Family Trust, 221 |
| Address | 2478 N MOUNTAIN AVE, UPLAND, CA 91784-8677 |
| Document Number | 0000101246, |
|---|---|
| Date | Apr 21, 2026 |
| Instrument | 2026101246 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.11% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2025 property tax bill for 2478 N Mountain Ave was $18,663.
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 | $4,204,440 (+143.54%) Land $1,051,110 Building $3,153,330 | |
| 2025 | $18,663.00 Homeowner's exemption | $1,726,415 Land $317,118 Building $1,409,297 |
| 2023 | $17,802.00 (+2.19%) Homeowner's exemption | $1,659,377 Land $304,804 Building $1,354,573 |
| 2022 | $17,421.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 2478 N 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 2478 N Mountain Ave is high, ranking above 76% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 52% of California |
|---|---|
| Wildfire Likelihood | 0.4% 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 | 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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