Riverside County property record for 9583 Mason St, Riverside, CA 92503 · Last verified October 2025
| Property Type | Home Plus Accessory Dwelling Unit |
|---|---|
| Details | 4 bd · 3 ba · 1,472 sqft · built 1952 |
| Lot Size | 0.179 acres (7,840 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,620 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 145-290-024 |
| Primary APN | 145-290-024 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,472 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 7,840 sqft (0.179 acres) |
| Garage Type | Attached |
| Garage Area | 464 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Connected |
| Account Number | 145290024 |
|---|---|
| Street Address | 9583 MASON ST |
| City | RIVERSIDE |
| State | CA |
| Zip | 92503-3611 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home Plus Accessory Dwelling Unit |
| Legal Description | LOT 17 MB 008/026 VAN BUREN PK RESUB OF |
| Legal Subdivision | RESUBDIVISION OF VAN BUREN PARK TRACT |
| Legal Lot Number | 17 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 31602 |
Source: Riverside County records · APN 145-290-024
Assessment roll updated July 1, 2025 · Last verified October 2025
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 |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 7191 MAGNOLIA AVE, RIVERSIDE, CA 92504-3805 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 21, 2002 |
| Deed Sale | Feb 21, 2002 |
| Prior Sale | Sep 18, 2001 |
| Deed Document Number | 2002-090526 |
| Record Updated | Jun 07, 2026 |
Source: Riverside County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Riverside City |
| Unified School District | Riverside Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1,620.00 (+3.71%) | $140,164 (+4.04%) Land $67,792 Building $72,372 |
| 2023 | $1,562.00 (+1.83%) | $134,722 Land $65,160 Building $69,562 |
| 2022 | $1,534.00 |
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 | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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