Riverside County property record for 391 Prospect Ave, Riverside, CA 92507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,312 sqft · built 1900 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,600 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 247-121-013 |
| Primary APN | 247-121-013 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,312 sqft Living Area |
| Gross Area | 2,264 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 120800113 |
|---|---|
| Street Address | 391 PROSPECT AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92507-1418 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | POR LOTS 13 & 14 BLK 17 MB 007/033 SB EAST RIVERSIDE |
| Legal Subdivision | EAST RIVERSIDE |
| Legal Block | 17 |
| Legal Lot Number | 13 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 42300 |
Source: Riverside County records · APN 247-121-013
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 Individual Names on File |
|---|---|
| Mailing Address | 391 PROSPECT AVE, RIVERSIDE, CA 92507-1418 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Oct 20, 2011 |
| Transfer Doc | 0000508699 |
| 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 |
| Unified School District | Riverside Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $133,225 (+2%) Land $51,237 Building $81,988 | ||
| 2025 | $1,600.00 (+3.83%) | $130,614 (+4.04%) Land $50,233 Building $80,381 | |
| 2023 | $1,541.00 (+1.85%) | $125,544 Land $48,284 Building $77,260 | |
| 2022 | $1,513.00 | ||
| 2021 | $332,820 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 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 |
| Nearby Flood Claims | 1 (1993) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1993 · Severe Winter Storm, Mud & Land Slides, & Flooding |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet.
Based on FCC filings for 332 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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