Riverside County property record for 5231 Challen Ave, Riverside, CA 92503
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,230 sqft · built 1959 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,853 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 151-321-002 |
| Primary APN | 151-321-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,230 sqft Living Area |
| Gross Area | 1,710 sqft |
| 1st Floor Area | 1,230 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 7,841 sqft (0.18 acres) |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 060904220 |
|---|---|
| Street Address | 5231 CHALLEN AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92503-2911 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1065 |
| Legal Description | LOT 421 MB 036/012 SIERRA FOOTHILLS 8 |
| Legal Subdivision | SIERRA FOOTHILLS 8 |
| Legal Lot Number | 421 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 41203 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 5231 CHALLEN AVE, RIVERSIDE, CA 92503-2911 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 30, 2002 |
| Deed Sale | Apr 30, 2002 |
| Prior Sale | Jun 24, 1996 · Amount on Record |
| Deed Document Number | 2002227747 |
| Prior Transfer Date | Mar 21, 2002 |
| Prior Transfer Doc | 0000227747 |
| Record Updated | Oct 29, 2026 |
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Riverside City |
| Unified School District | Alvord Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $149,076 (+2%) Land $50,814 Building $98,262 | ||
| 2025 | $1,853.00 (+4.75%) | $146,154 (+4.04%) Land $49,818 Building $96,336 | |
| 2023 | $1,769.00 (+6.31%) | $140,482 Land $47,885 Building $92,597 | |
| 2022 | $1,664.00 | ||
| 2021 | $368,100 |
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 X minimal risk |
|---|---|
| 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 | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 | CITY OF RIVERSIDE serves 302,776 people · EPA ID CA3310031 |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Lead | 1 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 643 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
May also be available: GeoLinks, Verizon.
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