Riverside County property record for 4450 Warren St, Riverside, CA 92503
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,000 sqft · built 1973 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $90,000 (Mar 1998) |
| Tax Bill | $1,736 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 145-072-020 |
| Primary APN | 145-072-020 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,000 sqft Living Area |
| Gross Area | 1,360 sqft |
| 1st Floor Area | 1,000 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Exterior Material | Block |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 7,405 sqft (0.17 acres) |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 061302187 |
|---|---|
| Street Address | 4450 WARREN ST |
| City | RIVERSIDE |
| State | CA |
| Zip | 92503-3050 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 37 MB 072/059 TR 4150 |
| Legal Tract | 4150 |
| Legal Lot Number | 37 |
| 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 4450 WARREN ST, RIVERSIDE, CA 92503-3050 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 13, 1998 · Amount on File |
| Deed Sale | Mar 13, 1998 · Amount on File |
| Prior Sale | Jun 25, 1997 · Amount on File |
| Deed Document Number | 199893622 |
| Prior Transfer Date | Mar 26, 1997 |
| Prior Transfer Doc | 0000264916 |
| 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 | $146,538 (+2%) Land $65,123 Building $81,415 | ||
| 2025 | $1,736.00 (+4.96%) Homeowner's exemption | $143,666 (+4.04%) Land $63,847 Building $79,819 | |
| 2023 | $1,654.00 (+6.37%) Homeowner's exemption | $138,089 Land $61,369 Building $76,720 | |
| 2022 | $1,555.00 | ||
| 2021 | $355,680 |
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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 656 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks.
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