Riverside County property record for 423 E Grand Blvd, Corona, CA 92879
| Property Type | Medical Building |
|---|---|
| Details | 2,400 sqft · built 1990 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Company Name on Record |
| Last Sale | $585,000 (Feb 2014) |
| Tax Bill | $13,724 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 117-301-002 |
| Primary APN | 117-301-002 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,400 sqft Gross Area |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 15,246 sqft (0.35 acres) |
| Old Parcel Number | 082400044 |
|---|---|
| Street Address | 423 E GRAND BLVD |
| City | CORONA |
| State | CA |
| Zip | 92879-1536 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Local Zoning Code | C3 |
| Legal Description | .35 ACRES M/L IN POR LOT 10 BLK 6 MB 001/042 MOULTON & PRAED ADD |
| Legal Subdivision | MOULTON & PRAED ADD |
| Legal Block | 6 |
| Legal Lot Number | 10 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | CORONA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 41602 |
Source: Riverside County records, as of July 29, 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 Record |
|---|---|
| Mailing Address | 10300 ARROW RTE, RANCHO CUCAMONGA, CA 91730-4794 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 27, 2014 · Amount on Record |
| Deed Sale | Feb 27, 2014 · Amount on Record |
| Deed Document Number | 201475321 |
| Record Updated | Oct 29, 2026 |
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Corona City |
| Unified School District | Corona-Norco Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $731,459 (-39.25%) Land $281,330 Building $450,129 | |
| 2025 | $13,724.00 (+1.58%) | $1,203,986 (+0.82%) Land $275,814 Building $928,172 |
| 2023 | $13,510.00 (+7.71%) | $1,194,244 Land $265,104 Building $929,140 |
| 2022 | $12,543.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF CORONA serves 169,380 people · EPA ID CA3310037 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Oct 2025 |
| Lead | 2 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 66 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 512 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, T-Mobile.
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