Riverside County property record for 21085 Costello Ave, Perris, CA 92570 · Last verified August 2026
| Property Type | Mobile Home |
|---|---|
| Details | 2 bd · 2 ba · 800 sqft · built 1965 |
| Lot Size | 0.58 acres (25,265 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $130,000 (Nov 2004) |
| Tax Bill | $2,024 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 315-110-034 |
| Primary APN | 315-110-034 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 800 sqft Living Area |
| 1st Floor Area | 800 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Mobile Home |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 25,265 sqft (0.58 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 21085 COSTELLO AVE |
|---|---|
| City | PERRIS |
| State | CA |
| Zip | 92570-8449 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | .58 ACRES M/L IN POR PAR A AND PAR 4 PM 028/033 PM 7666 |
| Legal Lot Number | A,4 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | LAKE MATHEWS |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 42009 |
Source: Riverside County records · APN 315-110-034
Assessment roll updated July 29, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 21085 COSTELLO AVE, PERRIS, CA 92570-8449 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 03, 2004 · Amount on Record |
| Deed Sale | Nov 03, 2004 · Amount on Record |
| Deed Document Number | 2004871683 |
| Record Updated | Sep 20, 2026 |
Source: Riverside County records · Assessment roll updated July 29, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Unified School District | Val Verde Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $184,803 (+3.79%) Land $85,292 Building $99,511 | ||
| 2025 | $2,024.00 (+10.66%) | $178,049 (+11.3%) Land $83,620 Building $94,429 | |
| 2023 | $1,829.00 (+9.85%) | $159,972 Land $80,374 Building $79,598 | |
| 2022 | $1,665.00 | ||
| 2021 | $185,220 |
Source: FEMA National Flood Hazard Layer, Riverside County (06065C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 65% of the US · above 39% of California |
|---|---|
| Wildfire Likelihood | About 1 in 415 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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