Riverside County property record for 20604 Costello Ave, Perris, CA 92570
| Property Type | Mobile Home |
|---|---|
| Details | 4 bd · 2 ba · 1,539 sqft · built 2004 |
| Lot Size | 1.2 acres (52,272 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $128,000 (Mar 2009) |
| Tax Bill | $2,001 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 315-040-040 |
| Primary APN | 315-040-040 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,539 sqft Living Area |
| 1st Floor Area | 1,539 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Mobile Home |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 52,272 sqft |
| Garage Type | Carport |
| Carport | Carport |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 20604 COSTELLO AVE |
|---|---|
| City | PERRIS |
| State | CA |
| Zip | 92570-5654 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Local Zoning Code | A11 |
| Legal Description | 1.20 ACRES M/L IN POR PAR 2 RS 009/005 |
| Legal Subdivision | UPTON ACRES #9 |
| Legal Lot Number | 2 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | LAKE MATHEWS |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 42009 |
20604 Costello Ave, a mobile home, is owned and occupied by two individuals who acquired it in April 2015.
Source: Riverside County records, as of July 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20604 COSTELLO AVE, PERRIS, CA 92570-5654 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 2009 · Amount on File |
| Deed Sale | Mar 31, 2009 · Amount on File |
| Prior Sale | Mar 17, 2008 · Amount on File |
| Deed Document Number | 2009157264 |
| Last Transfer Date | Apr 2, 2015 |
| Transfer Doc | 0000140646 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20604 Costello Ave was $2,001.
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Unified School District | Val Verde Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $179,117 (+2%) Land $65,664 Building $113,453 | ||
| 2025 | $2,001.00 | $175,606 Land $64,377 Building $111,229 | |
| 2023 | $1,934.00 (+1.95%) | $168,789 Land $61,878 Building $106,911 | |
| 2022 | $1,897.00 | ||
| 2021 | $249,390 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20604 Costello Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 7 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 20604 Costello Ave is high, ranking above 70% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 70% of the US · above 45% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 119 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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