San Bernardino County property record for 923 S Mountain Ave, Ontario, CA 91762
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 1,092 sqft · built 1979 |
| Lot Size | 0.062 acres (2,690 sqft) |
| Owner | Company Name on File |
| Last Sale | $254,000 (Mar 2021) |
| Tax Bill | $3,033 (2025) |
| Deeds & Mortgages | Mar 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1011-415-44-0000 |
| Primary APN | 1011-415-44-0000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,092 sqft Living Area |
| 1st Floor Area | 544 sqft |
| 2nd Floor Area | 548 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Modern |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 2,690 sqft (0.062 acres) |
| Garage Type | Carport |
| Garage Area | 200 sqft |
| Carport | Carport |
| Carport Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 923 S MOUNTAIN AVE |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91762-4819 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | CONDO |
| Legal Description | TRACT 9948 LOT 2 UNIT 78 AND INT IN COMMON AREA |
| Legal Subdivision | MOUNTAIN VIEW CONDOMINIUMS |
| Legal Tract | 9948 |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 1706 |
923 S Mountain Ave, a condominium, is owned by a company that bought it in March 2021.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2977 SUNNY BROOK LN, CHINO HILLS, CA 91709-1479 |
| Owner Type | Company |
| 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 | Mar 12, 2021 · Amount on File |
| Deed Sale | Mar 12, 2021 · Amount on File |
| Prior Sale | Oct 18, 2013 · Amount on File |
| Deed Document Number | 2021115598 |
| Prior Transfer Date | Aug 5, 2010 |
| Prior Transfer Doc | 0000337718 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Mar 12, 2021 |
| Property Address | 923 S MOUNTAIN AVE, ONTARIO, CA 91762-4819 |
| Document Number | 0000115598 |
| Map Reference | MB 9500 PG 381-385 |
| Instrument Date | Mar 11, 2021 |
| Instrument | 2021-0115598 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY GLENDALE, FIRST AMER TTL CO GLENDALE |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2977 SUNNY BROOK LN, CHINO HILLS, CA 91709-1479 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 923 S Mountain Ave was $3,033.
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 | Ontario-Montclair School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $280,437 (+2%) Land $98,154 Building $182,283 | |
| 2025 | $3,033.00 | $274,938 Land $96,229 Building $178,709 |
| 2023 | $2,881.00 (+1.34%) | $264,262 Land $92,492 Building $171,770 |
| 2022 | $2,843.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 923 S Mountain Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 923 S Mountain 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 | 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 828 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Frontier, GeoLinks, T-Mobile.
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