Riverside County property record for 21528 Thomas Ct, Riverside, CA 92507
| Property Type | Common Area (Residential) |
|---|---|
| Lot Size | 0.061 acres (2,670 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 257-661-011 |
| Primary APN | 257-661-011 |
|---|
| Lot Area | 2,670 sqft (0.061 acres) |
|---|
| Sewer | Connected |
|---|
| Street Address | 21528 THOMAS CT |
|---|---|
| City | RIVERSIDE |
| State | CA |
| Zip | 92507-0063 |
| Property Category | Other |
| Property Type | Other > Common Area (Residential) |
| Legal Description | ACRES 0.06125696 ACREAGEQUALCODE AC LOT 148 LOTTYPE L MAPPLATB 490 MAPPLATP 067 SUBDIVISIONNAME TR 33410 |
| Legal Tract | 33410 |
| Legal Lot Number | 148 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 42412 |
Source: Riverside County records · APN 257-661-011
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 | Company Name on File |
|---|---|
| Mailing Address | 24422 AVENIDA DE LA CARLOTA, 450, LAGUNA HILLS, CA 92653-3643 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $1.00 | $107 Land $107 |
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| 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 | High above 82% of the US · above 61% of California |
|---|---|
| Wildfire Likelihood | 0.7% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 35 |
Based on FCC filings for 8 locations within half a mile of this property.
5G and 4G LTE (outdoors only)
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 | RIVERSIDE HIGHLAND WATER COMPANY private · serves 19,053 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.
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