San Bernardino County property record for 10855 Ada Ave, Ontario, CA 91762
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 816 sqft · built 1925 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | Individual Name on File |
| Last Sale | $235,000 (Apr 2004) |
| Tax Bill | $3,691 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1011-283-05-0000 |
| Primary APN | 1011-283-05-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 816 sqft Living Area |
| Gross Area | 916 sqft |
| 1st Floor Area | 816 sqft |
| Basement Area | 100 sqft |
| Family Room | Family Room |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Built-Up Asphalt |
| Lot Area | 6,750 sqft (0.155 acres) |
| Lot Dimensions | 135 ft deep x 50 ft wide |
| View / Lot | Average |
| Porch | Patio/Porch |
| Porch Area | 96 sqft |
| Patio Area | 96 sqft |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10855 ADA AVE |
|---|---|
| City | MONTCLAIR |
| State | CA |
| Zip | 91763 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CS |
| Legal Description | MONTE VISTA TR 2 LOT 38 BLK 5 |
| Legal Subdivision | MONTE VISTA |
| Legal Tract | 2 |
| Legal Block | 5 |
| Legal Lot Number | 38 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 304 |
10855 Ada Ave is owned and occupied by an individual who bought it in April 2004.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 10855 ADA AVE, MONTCLAIR, CA 91763 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
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 20, 2004 · Amount on File |
| Deed Sale | Apr 20, 2004 · Amount on File |
| Prior Sale | Dec 27, 1996 · Amount on File |
| Deed Document Number | 2004270219 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 10855 Ada Ave was $3,691.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Elementary School District | Ontario-Montclair School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $340,801 (+2%) Land $87,012 Building $253,789 | |
| 2025 | $3,691.00 | $334,119 Land $85,306 Building $248,813 |
| 2023 | $3,507.00 (+1.33%) | $321,144 Land $81,993 Building $239,151 |
| 2022 | $3,461.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10855 Ada Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1992.
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 Claims | 1 (1992) |
| Most Recent Claim | Feb 1992 · Rain/snow/wind Storms, Flooding, Mudslides |
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.
The area around 10855 Ada Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | MONTE VISTA WD serves 56,390 people · EPA ID CA3610029 |
|---|---|
| Water Source | Purchased surface water from several systems |
| 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.
Source: FCC Broadband Data Collection, based on 459 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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