Riverside County property record for 11131 Mountain Ave, Riverside, CA 92505
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 624 sqft · built 1948 |
| Lot Size | 0.25 acres (10,890 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $270,000 (Jan 2015) |
| Tax Bill | $4,677 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 146-154-016 |
| Primary APN | 146-154-016 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 624 sqft Living Area |
| Gross Area | 762 sqft |
| 1st Floor Area | 624 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Bungalow |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 10,890 sqft (0.25 acres) |
| Garage Type | Carport |
| Garage Area | 400 sqft |
| Carport | Carport |
| Carport Area | 400 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 063200162 |
|---|---|
| Street Address | 11131 MOUNTAIN AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92505-2692 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1065 |
| Legal Description | .25 ACRES M/L IN POR LOT 5 BLK 60 MB 007/066 LA SIERRA HEIGHTS TR 2 |
| Legal Subdivision | LA SIERRA HEIGHTS TR 2 |
| Legal Tract | 2 |
| Legal Block | 60 |
| Legal Lot Number | 5 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 40901 |
Source: Riverside County records, as of July 29, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 29221 VIA SAN SEBASTIAN, LAGUNA NIGUEL, CA 92677-1575 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 20, 2015 · Amount on Record |
| Deed Sale | Jan 20, 2015 · Amount on Record |
| Deed Document Number | 201521487 |
| Prior Transfer Date | Aug 25, 1995 |
| Prior Transfer Doc | 0000282922 |
| Record Updated | Sep 20, 2026 |
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Riverside City |
| Unified School District | Alvord Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $330,979 (+2%) Land $73,547 Building $257,432 | ||
| 2025 | $4,677.00 (+4.16%) | $324,490 (+4.04%) Land $72,105 Building $252,385 | |
| 2023 | $4,490.00 (+5.42%) | $311,892 Land $69,306 Building $242,586 | |
| 2022 | $4,259.00 | ||
| 2021 | $385,650 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 14, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | CITY OF RIVERSIDE serves 302,776 people · EPA ID CA3310031 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Lead | 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 686 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: T-Mobile, Verizon.
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