Ventura County property record for 639 Stonebrook St, Simi Valley, CA 93065
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,783 sqft · built 1979 |
| Lot Size | 1.6 acres (69,696 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,321 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 629-0-041-435 |
| Primary APN | 629-0-041-435 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,783 sqft Living Area |
| Gross Area | 3,163 sqft |
| 1st Floor Area | 1,835 sqft |
| 2nd Floor Area | 1,328 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Lot Area | 69,696 sqft |
| Lot Dimensions | 190 ft deep x 350 ft wide |
| Garage Area | 2,000 sqft |
| Parking Spaces | 7 Parking Spaces |
| Pool Area | 614 sqft |
| Deck Area | 480 sqft |
| Patio Area | 960 sqft |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 639 STONEBROOK ST |
|---|---|
| City | SIMI VALLEY |
| State | CA |
| Zip | 93065-5445 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RL-1. |
| Legal Description | TRACT: 294400 LOT: 13 REF: 079MR 028 |
| Legal Tract | 294400 |
| Legal Block | 41 |
| Legal Lot Number | 13 |
| Jurisdiction | VENTURA CA |
| Township / Civil Division | SIMI VALLEY |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 7513 |
639 Stonebrook St is owned and occupied by two individuals.
Source: Ventura County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 639 STONEBROOK ST, SIMI VALLEY, CA 93065-5445 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 639 Stonebrook St was $10,321 with a homeowner's exemption, 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 | $893,925 (+2%) Land $267,960 Building $625,965 | |
| 2025 | $10,321.00 (+1.14%) Homeowner's exemption | $876,398 Land $262,706 Building $613,692 |
| 2024 | $10,205.00 (+6.3%) | |
| 2023 | $9,600.00 (+0.05%) Homeowner's exemption | $842,367 Land $252,505 Building $589,862 |
| 2022 | $9,595.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 639 Stonebrook St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1983) |
| Most Recent Claim | Mar 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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.
Wildfire risk around 639 Stonebrook St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 | VENTURA WWD NO. 8 - SIMI VALLEY serves 94,736 people · EPA ID CA5610023 |
|---|---|
| Water Source | Purchased surface water from CALLEGUAS MUNICIPAL WATER DIST |
| Last State Inspection | Jan 2023 |
| Lead | Under 1 ppb (2023–2025) 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 285 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| GigabitNow Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 35 |
| Rocket Broadband Fixed Wireless | 450 / 100 |
May also be available: AT&T, Verizon.
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