Alameda County property record for 8680 Oak Tree Ln, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,920 sqft · built 1973 |
| Lot Size | 6.08 acres (264,866 sqft) |
| Owner | Company Name on File |
| Last Sale | $550,000 (Dec 1998) |
| Tax Bill | $10,374 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-4060-1-25 |
| Primary APN | 85-4060-1-25 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,920 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 264,866 sqft |
| Terrain | Gentle Slope |
| View / Lot | Average |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 8680 OAK TREE LN |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-9732 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00025 BLK: 0001 AR: 0085 PAGE: 4060 |
| Legal Subdivision | EAST BAY CC |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 430101 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 8680 OAK TREE LN, CASTRO VALLEY, CA 94552-9732 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 31, 1998 · Amount on File |
| Deed Sale | Dec 31, 1998 · Amount on File |
| Deed Document Number | 1998460246 |
| Last Transfer Date | Jan 10, 2013 |
| Transfer Doc | 0000180634 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $872,433 (+1.19%) Land $559,639 Building $319,794 | ||
| 2025 | $10,374.00 (+3.41%) Homeowner's exemption | $862,191 (+4.04%) Land $548,667 Building $313,524 | |
| 2023 | $10,032.00 Homeowner's exemption | $828,718 Land $527,366 Building $301,352 | $1,734,210 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (2017–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Very High above 90% of the US · above 72% of California |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | NORRIS CANYON PROPERTY OWNERS ASSN private · serves 50 people · EPA ID CA0103040 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Copper | 2.25 mg/L (2017) action level 1.3 mg/L |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory currently in violation since Oct 2024 |
| Monitoring and Reporting | 1 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) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Starlink Satellite | 280 / 30 |
5G (outdoors only) and 4G LTE
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