Alameda County property record for 6427 Thornhill Dr, Oakland, CA 94611
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,090 sqft · built 1946 |
| Lot Size | 0.194 acres (8,448 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $7,253 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 48G-7442-39 |
| Primary APN | 48G-7442-39 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,090 sqft Living Area |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,448 sqft (0.194 acres) |
| Street Address | 6427 THORNHILL DR |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94611-1224 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00039 BLK: AR: 048G PAGE: 7442 |
| Legal Subdivision | FORESTLAND |
| Legal Lot Number | 7 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 404400 |
6427 Thornhill Dr is held in a trust since October 1997.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 2948 CARLSEN ST, OAKLAND, CA 94602-3457 |
| Owner Type | Company |
| Vesting | Trust |
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 Transfer Date | Oct 13, 1997 |
| Transfer Doc | 0000288764 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 6427 Thornhill Dr was $7,253.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $407,150 (+2%) Land $122,145 Building $285,005 | ||
| 2025 | $7,253.00 | $399,167 Land $119,750 Building $279,417 | |
| 2023 | $7,147.00 | $383,670 Land $115,101 Building $268,569 | $948,510 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 6427 Thornhill Dr in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 |
| Nearby Flood Claims | 6 (1982–2017) |
| Claims Outside the SFHA | 4 of 6 |
| Most Recent Claim | Jan 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 6427 Thornhill Dr is moderate, ranking above 43% of the US, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 560 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Etheric Networks, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures