Ventura County property record for 6501 Trefoil Ave, Oak Park, CA 91377
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,213 sqft · built 1989 |
| Lot Size | 0.113 acres (4,927 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $295,000 (Jun 1995) |
| Tax Bill | $7,229 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 800-0-321-195 |
| Primary APN | 800-0-321-195 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,213 sqft Living Area |
| 1st Floor Area | 1,203 sqft |
| 2nd Floor Area | 1,010 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 4,927 sqft (0.113 acres) |
| Garage Area | 445 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 47 sqft |
| Street Address | 6501 TREFOIL AVE |
|---|---|
| City | OAK PARK |
| State | CA |
| Zip | 91377-1234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RPD-6U |
| Legal Description | TRACT: 415200 LOT: 19 REF: 111MR 92 |
| Legal Subdivision | 4152 |
| Legal Tract | 415200 |
| Legal Block | 321 |
| Legal Lot Number | 19 |
| Jurisdiction | VENTURA CA |
| Township / Civil Division | THOUSAND OAKS |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 7405 |
6501 Trefoil Ave is owned and occupied by two individuals who bought it in June 1995.
Source: Ventura County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 6501 TREFOIL AVE, OAK PARK, CA 91377-1234 |
| 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 |
|---|---|
| Last Sale | Jun 7, 1995 · Amount on File |
| Deed Sale | Jun 7, 1995 · Amount on File |
| Deed Document Number | 199566982 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 6501 Trefoil Ave was $7,229 with a homeowner's exemption, up 3.5% from the year before.
Source: Ventura County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | Ventura County |
| Unified School District | Oak Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $505,384 (+2%) Land $202,149 Building $303,235 | |
| 2025 | $7,229.00 (+3.51%) Homeowner's exemption | $495,475 Land $198,185 Building $297,290 |
| 2024 | $6,984.00 (+1.16%) | |
| 2023 | $6,904.00 (+5.21%) Homeowner's exemption | $476,236 Land $190,489 Building $285,747 |
| 2022 | $6,562.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 6501 Trefoil Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 6501 Trefoil Ave is moderate, ranking above 40% of the US, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect 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 | TRIUNFO WATER & SANITATION DISTRICT private · serves 13,898 people · EPA ID CA5610043 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2025 |
| 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 502 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: GeoLinks, Verizon.
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