Ventura County property record for 4121 Guardian St, #H, Simi Valley, CA 93063
| Property Type | Industrial Condominium |
|---|---|
| Details | 8,981 sqft |
| Lot Size | 0.332 acres (14,457 sqft) |
| Owner | Company Name on File |
| Tax Bill | $21,230 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 626-0-051-175 |
| Primary APN | 626-0-051-175 |
|---|
| Building Area | 8,981 sqft Total Area |
|---|---|
| Office | 1,405 sqft |
| Lot Area | 14,457 sqft (0.332 acres) |
|---|
| Street Address | 4121 GUARDIAN ST, H |
|---|---|
| City | SIMI VALLEY |
| State | CA |
| Zip | 93063-3382 |
| Property Category | Industrial |
| Property Type | Industrial > Industrial Condominium |
| Legal Description | LOT: 8 REF: 63 PM 92 |
| Legal Block | 51 |
| Legal Lot Number | 8 |
| Jurisdiction | VENTURA CA |
| Township / Civil Division | SIMI VALLEY |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 7512 |
4121 Guardian St, #H is owned by a company that acquired it in July 2005.
Source: Ventura County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 561 GREEN MOUNTAIN ST, SIMI VALLEY, CA 93065-0611 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 22, 2005 |
| Deed Sale | Jul 22, 2005 |
| Deed Document Number | 2005179428 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4121 Guardian St, #H was $21,230, up 1.1% from the year before.
Source: Ventura County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | Ventura County |
| Municipality | Simi Valley City |
| Unified School District | Simi Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,963,755 (+2%) Land $785,501 Building $1,178,254 | |
| 2025 | $21,230.00 (+1.09%) | $1,925,250 Land $770,099 Building $1,155,151 |
| 2024 | $21,001.00 (+6.2%) | |
| 2023 | $19,775.00 (-0.47%) | $1,850,491 Land $740,195 Building $1,110,296 |
| 2022 | $19,868.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4121 Guardian St, #H in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4121 Guardian St, #H is high, ranking above 70% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 70% of the US · above 45% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 | GOLDEN STATE WATER COMPANY - SIMI VALLEY private · serves 45,086 people · EPA ID CA5610059 |
|---|---|
| Water Source | Purchased surface water from CALLEGUAS MUNICIPAL WATER DIST |
| Last State Inspection | Jul 2022 |
| Lead | 6 ppb (2024–2026) 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, 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 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| GigabitNow Fiber | 5,000 / 5,000 |
| Rocket Broadband Fixed Wireless | 450 / 100 |
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