Alameda County property record for 3158 Keith Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,270 sqft · built 1955 |
| Lot Size | 0.207 acres (9,020 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $1,992 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84B-501-32 |
| Primary APN | 84B-501-32 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,270 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 9,020 sqft (0.207 acres) |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 3158 KEITH AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2924 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00005 BLK: 000B TR: 1104 |
| Legal Subdivision | CASTRO MDWS |
| Legal Tract | 1104 |
| Legal Lot Number | 51 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 430600 |
3158 Keith Ave is owner-occupied and held in a trust since November 1997.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3158 KEITH AVE, CASTRO VALLEY, CA 94546-2924 |
| 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 | Nov 11, 1997 |
| Transfer Doc | 0000304839 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3158 Keith Ave was $1,992 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 | $97,199 (-4.85%) Land $50,506 Building $53,693 | ||
| 2025 | $1,992.00 Homeowner's exemption | $102,157 Land $49,516 Building $52,641 | |
| 2023 | $1,877.00 Homeowner's exemption | $98,190 Land $47,593 Building $50,597 | $860,130 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3158 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 3158 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 67% of the US · lower than 81% 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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