Alameda County property record for 20301 Stanton Ave, Castro Valley, CA 94546
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,266 sqft · built 1967 |
| Lot Size | 0.173 acres (7,552 sqft) |
| Owner | Individual Name on File |
| Last Sale | $780,000 (Aug 2005) |
| Tax Bill | $14,180 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-216-10-2 |
| Primary APN | 84A-216-10-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 2,266 sqft Living Area |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Construction Type | Wood |
| Lot Area | 7,552 sqft (0.173 acres) |
| Street Address | 20301 STANTON AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5267 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00002 BLK: 0010 AR: 084A PAGE: 0216 |
| Legal Subdivision | STANTON 01 |
| Legal Tract | 1 |
| Legal Lot Number | 15 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 430600 |
20301 Stanton Ave, a duplex, is owned by an individual who acquired it in August 2018.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 19630 BERNAL ST, CASTRO VALLEY, CA 94546-3341 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Aug 15, 2005 · Amount on File |
| Deed Sale | Aug 15, 2005 · Amount on File |
| Prior Sale | Dec 27, 1995 · Amount on File |
| Deed Document Number | 2005346670 |
| Last Transfer Date | Aug 15, 2018 |
| Transfer Doc | 0000178167 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20301 Stanton Ave was $14,180, up 2.4% from the year before.
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 |
|---|---|---|
| 2026 | $1,087,147 (+2%) Land $326,144 Building $761,003 | |
| 2025 | $14,180.00 (+2.35%) | $1,065,838 Land $319,751 Building $746,087 |
| 2024 | $13,854.00 (+1.74%) | |
| 2023 | $13,617.00 | $1,024,458 Land $307,337 Building $717,121 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20301 Stanton 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.
The area around 20301 Stanton Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | 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 709 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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