Riverside County property record for 21331 Mountain Ave, Perris, CA 92570
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 2,658 sqft · built 1987 |
| Lot Size | 0.79 acres (34,412 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $408 (2025) |
| Deeds & Mortgages | May 2017 Mortgage |
| Flood Zone | Zone D (undetermined) |
| APN | 343-171-019 |
| Primary APN | 343-171-019 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,658 sqft Living Area |
| Gross Area | 4,177 sqft |
| 1st Floor Area | 2,658 sqft |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1998 |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 34,412 sqft (0.79 acres) |
| Garage Type | Attached |
| Garage Area | 735 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 21331 MOUNTAIN AVE |
|---|---|
| City | PERRIS |
| State | CA |
| Zip | 92570-7987 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | .79 ACRES M/L IN LOT 1 BLK L MB 011/520 SD MOUNTAIN GLEN TRACT |
| Legal Subdivision | MOUNTAIN GLEN TRACT |
| Legal Block | L |
| Legal Lot Number | 1 |
| 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 | 21331 MOUNTAIN AVE, PERRIS, CA 92570-7987 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Property Address | 21331 MOUNTAIN AVE, PERRIS, CA 92570-7987 |
| Document Number | 0000208958 |
| Instrument Date | May 18, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jun 1, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 21331 MOUNTAIN AVE PERRIS CA 925707987, PERRIS, CA 92570-7987 |
| Document Number | 0000208958 |
|---|---|
| Date | May 25, 2017 |
| Instrument | 208958 |
| Name | HOMEWARD RESID'L |
|---|---|
| Address | ADDISON, TX 75001 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | May 24, 2037 |
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 | $213,462 (+2%) Land $26,717 Building $186,745 | ||
| 2025 | $408.00 (-16.05%) Disabled Person's exemption Veteran's exemption | $209,278 (+4.04%) Land $26,194 Building $183,084 | |
| 2023 | $486.00 (-15.03%) Disabled Person's exemption Veteran's exemption | $201,154 Land $25,178 Building $175,976 | |
| 2022 | $572.00 | ||
| 2021 | $566,460 |
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 75% of the US · above 51% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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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