Alameda County property record for 3206 Keith Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,638 sqft · built 1952 |
| Lot Size | 0.246 acres (10,692 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $3,579 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84B-502-27 |
| Primary APN | 84B-502-27 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,638 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 10,692 sqft (0.246 acres) |
| Street Address | 3206 KEITH AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2926 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00027 BLK: AR: 084B PAGE: 0502 |
| Legal Subdivision | CASTRO MDWS |
| Legal Lot Number | 52 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 430600 |
3206 Keith Ave is owner-occupied and held in a trust since May 2005.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3206 KEITH AVE, CASTRO VALLEY, CA 94546-2926 |
| Occupancy | Owner Occupied |
| 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 | May 20, 2005 |
| Transfer Doc | 0000366449 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3206 Keith Ave was $3,579 with a homeowner's exemption.
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 | $234,417 (-0.96%) Land $133,426 Building $107,991 | ||
| 2025 | $3,579.00 Homeowner's exemption | $236,683 Land $130,810 Building $105,873 | |
| 2023 | $3,412.00 Homeowner's exemption | $227,494 Land $125,731 Building $101,763 | $957,240 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3206 Keith Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 3206 Keith Ave 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 | 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 769 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired, Verizon.
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