Riverside County property record for 21800 Mountain Ave, Perris, CA 92570
| Property Type | Mobile Home |
|---|---|
| Details | 3 bd · 2 ba · 1,440 sqft · built 1983 |
| Lot Size | 1.05 acres (45,738 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $1,201 (2025) |
| Deeds & Mortgages | Feb 2018 Transfer |
| Flood Zone | Zone D (undetermined) |
| APN | 343-160-016 |
| Primary APN | 343-160-016 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,440 sqft Living Area |
| 1st Floor Area | 1,440 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Mobile Home |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 45,738 sqft |
| Garage Type | Carport |
| Carport | Carport |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21800 MOUNTAIN AVE |
|---|---|
| City | PERRIS |
| State | CA |
| Zip | 92570-9346 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Local Zoning Code | RR |
| Legal Description | 1.05 ACRES NET IN PAR 4 PM 104/085 PM 18336 |
| Legal Lot Number | 4 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | PERRIS VALLEY |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 42903 |
21800 Mountain Ave, a mobile home, is owner-occupied and held in a trust since May 2002.
Source: Riverside County records, as of July 29, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21800 MOUNTAIN AVE, PERRIS, CA 92570-9346 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 3, 2002 |
| Deed Sale | May 3, 2002 |
| Prior Sale | Apr 7, 1994 · Amount on File |
| Deed Document Number | 2002234938 |
| Prior Transfer Date | Mar 29, 2002 |
| Prior Transfer Doc | 0000234938 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Feb 28, 2018 |
| Property Address | 21800 MOUNTAIN AVE, PERRIS, CA 92570-9346 |
| Document Number | 0000075560 |
| Instrument Date | Jan 9, 2018 |
| Instrument | 75560 |
| Transaction Type | Transfer |
| Record Updated | Mar 7, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 21800 MOUNTAIN AVE LAKE MATHEWS CA 925709346, LAKE MATHEWS, CA 92570-9346 |
The 2025 property tax bill for 21800 Mountain Ave was $1,201 with a homeowner's exemption.
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 | $112,643 (+2%) Land $65,857 Building $46,786 | ||
| 2025 | $1,201.00 Homeowner's exemption | $110,435 Land $64,566 Building $45,869 | |
| 2023 | $1,172.00 (+1.47%) Homeowner's exemption | $106,148 Land $62,059 Building $44,089 | |
| 2022 | $1,155.00 | ||
| 2021 | $225,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21800 Mountain Ave in Zone D, where flood risk has not been studied.
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.
Wildfire risk around 21800 Mountain Ave is high, ranking above 74% 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 74% of the US · above 49% 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 | 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 93 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: GeoLinks.
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