Riverside County property record for 9387 Duncan Ave, Riverside, CA 92503
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,440 sqft · built 1959 |
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $635,000 (Feb 2025) |
| Tax Bill | $5,781 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 191-200-013 |
| Primary APN | 191-200-013 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,440 sqft Living Area |
| Gross Area | 1,626 sqft |
| 1st Floor Area | 1,440 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 9,148 sqft (0.21 acres) |
| Garage Type | Carport |
| Garage Area | 231 sqft |
| Carport | Carport |
| Carport Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 050400056 |
|---|---|
| Street Address | 9387 DUNCAN AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92503-2640 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | C2 |
| Legal Description | POR LOT 17 MB 013/075 ARLINGTON SUBURBAN ESTATES RESUB |
| Legal Subdivision | ARLINGTON SUBURBAN ESTATES RESUB |
| Legal Lot Number | 17 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 31602 |
Source: Riverside County records · APN 191-200-013
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 Company Names on File |
|---|---|
| Mailing Address | 9387 DUNCAN AVE, RIVERSIDE, CA 92503-2640 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 27, 2025 · Amount on Record |
| Deed Sale | Feb 27, 2025 · Amount on Record |
| Prior Sale | Aug 06, 2024 · Amount on Record |
| Deed Document Number | 202559202 |
| Prior Transfer Date | Jul 30, 2024 |
| Prior Transfer Doc | 0000234457 |
| 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 |
| Municipality | Riverside City |
| Unified School District | Riverside Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $647,699 (+25.77%) Land $194,312 Building $453,387 | ||
| 2025 | $5,781.00 (+879.83%) | $515,000 (+850.64%) Land $155,000 Building $360,000 | |
| 2023 | $590.00 (+1.9%) Homeowner's exemption | $54,174 Land $7,356 Building $46,818 | |
| 2022 | $579.00 | ||
| 2021 | $441,540 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: California Internet.
Based on FCC filings for 656 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF RIVERSIDE serves 302,776 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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