Ventura County property record for 4274 Copperstone Ln, Simi Valley, CA 93065 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 4,781 sqft · built 2006 |
| Lot Size | 0.241 acres (10,507 sqft) |
| Owner | Company Name on File |
| Last Sale | $849,000 (Nov 2012) |
| Tax Bill | $12,284 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 619-0-270-115 |
| Primary APN | 619-0-270-115 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,781 sqft Living Area |
| 1st Floor Area | 2,280 sqft |
| 2nd Floor Area | 2,501 sqft |
| Upper Floors Area | 150 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 10,507 sqft (0.241 acres) |
| Garage Area | 835 sqft |
| Parking Spaces | 3 Parking Spaces |
| Pool Area | 240 sqft |
|---|---|
| Porch | Porch |
| Porch Area | 109 sqft |
| Patio Area | 160 sqft |
| Street Address | 4274 COPPERSTONE LN |
|---|---|
| City | SIMI VALLEY |
| State | CA |
| Zip | 93065-0214 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT: 518200 LOT: 722 REF: 153MR 19 |
| Legal Subdivision | 5182-C-6 |
| Legal Tract | 518200 |
| Legal Block | 270 |
| Legal Lot Number | 722 |
| Jurisdiction | VENTURA CA |
| Township / Civil Division | SIMI VALLEY |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 8502 |
Source: Ventura County records · APN 619-0-270-115
Assessment roll updated July 15, 2026 · Last verified July 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 | 4274 COPPERSTONE LN, SIMI VALLEY, CA 93065-0214 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 21, 2012 · Amount on Record |
| Deed Sale | Nov 21, 2012 · Amount on Record |
| Prior Sale | Jul 17, 2006 · Amount on Record |
| Deed Document Number | 2012208436 |
| Prior Transfer Date | Sep 29, 2008 |
| Prior Transfer Doc | 0000154924 |
| Record Updated | Sep 20, 2026 |
Source: Ventura County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Ventura County |
| Municipality | Simi Valley City |
| Unified School District | Simi Valley 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 | $1,066,381 (+2%) Land $533,193 Building $533,188 | |
| 2025 | $12,284.00 (+1.04%) Homeowner's exemption | $1,045,472 (+4.04%) Land $522,738 Building $522,734 |
| 2024 | $12,158.00 (+6.21%) | |
| 2023 | $11,447.00 (+0.14%) Homeowner's exemption | $1,004,876 Land $502,439 Building $502,437 |
| 2022 | $11,431.00 |
Source: FEMA National Flood Hazard Layer, Ventura County (06111C), updated September 30, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 061110085022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | High above 84% of the US · above 64% of California |
|---|---|
| Wildfire Likelihood | About 1 in 152 per year |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 53 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 35 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
4G LTE (outdoors only), no 5G reported
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