Riverside County property record for 21285 Mountain Ave, Perris, CA 92570
| Property Type | Mobile Home |
|---|---|
| Details | 2 bd · 2 ba · 1,344 sqft · built 1982 |
| Lot Size | 0.79 acres (34,412 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $54,000 (May 1994) |
| Tax Bill | $1,619 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 343-171-021 |
| Primary APN | 343-171-021 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,344 sqft Living Area |
| 1st Floor Area | 1,344 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Mobile Home |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 34,412 sqft (0.79 acres) |
| Garage Type | Carport |
| Garage Area | 580 sqft |
| Carport | Carport |
| Carport Area | 580 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 21285 MOUNTAIN AVE |
|---|---|
| City | PERRIS |
| State | CA |
| Zip | 92570-6165 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | .79 ACRES M/L IN LOT 4 BLK L MB 011/520 SD MOUNTAIN GLEN TRACT |
| Legal Subdivision | MOUNTAIN GLEN TRACT |
| Legal Block | L |
| Legal Lot Number | 4 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | PERRIS VALLEY |
| Census Block Group | 1 |
| Census Block | 1032 |
| Census Tract | 42903 |
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 | 21285 MOUNTAIN AVE, PERRIS, CA 92570-6165 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 9, 1994 · Amount on Record |
| Deed Sale | May 9, 1994 · Amount on Record |
| Deed Document Number | 1994188923 |
| Last Transfer Date | Oct 2, 2004 |
| Transfer Doc | 0000836504 |
| Record Updated | Sep 20, 2026 |
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Elementary School District | Perris Elementary School District (KG - 06) |
| Secondary School District | Perris Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $150,326 (+2%) Land $52,721 Building $97,605 | ||
| 2025 | $1,619.00 (+2.4%) Homeowner's exemption | $147,380 (+4.04%) Land $51,688 Building $95,692 | |
| 2023 | $1,581.00 (+1.48%) Homeowner's exemption | $141,659 Land $49,682 Building $91,977 | |
| 2022 | $1,558.00 | ||
| 2021 | $167,130 |
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 D undetermined · not studied |
|---|---|
| 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 | High above 78% of the US · above 55% of California |
|---|---|
| Wildfire Likelihood | 0.7% 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 | EASTERN MUNICIPAL WD serves 659,923 people · EPA ID CA3310009 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Lead | 3 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 75 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 |
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