Riverside County property record for 4100 Flat Rock Dr, Riverside, CA 92505 · Last verified August 2026
| Property Type | Industrial > Light Industrial (10% Improved Office Space; Machine Shop) |
|---|---|
| Lot Size | 26,572 sqft (0.61 acres) |
| Tax Bill | $23,753.00 (2025) |
| Primary APN | 142-090-040 |
|---|
| Lot Area | 26,572 sqft (0.61 acres) |
|---|
| Street Address | 4100 FLAT ROCK DR |
|---|---|
| City | RIVERSIDE |
| State | CA |
| Zip | 92505-5866 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Light Industrial (10% Improved Office Space; Machine Shop) |
| Legal Description | .61 ACRES NET IN PAR 21 PM 205/030 PM 31164 |
| Legal Lot Number | 21 |
| Jurisdiction | RIVERSIDE CA |
| Minor Civil Division | RIVERSIDE |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 41406 |
Source: Riverside County records · APN 142-090-040
Assessment roll updated July 29, 2026 · Last verified August 2026
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| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3118 CORTE HERMOSA, NEWPORT BEACH, CA 92660-3250 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Owner is a Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Dec 17, 2014 |
| Transfer Doc | 0000013686 |
| Record Refreshed | 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 | Alvord 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 |
|---|---|---|
| 2026 | $1,495,002 (+2%) Land $302,828 Building $1,192,174 | |
| 2025 | $23,753.00 (+4.4%) | $1,465,690 (+4.04%) Land $296,891 Building $1,168,799 |
| 2023 | $22,752.00 (+5.32%) | $1,408,777 Land $285,363 Building $1,123,414 |
| 2022 | $21,603.00 |
4100 Flat Rock Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Riverside County (06065C), updated October 14, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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