Alameda County property record for 20246 Stanton Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,313 sqft · built 1946 |
| Lot Size | 0.117 acres (5,116 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $780,000 (Jul 2021) |
| Tax Bill | $10,554 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage Jul 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-181-84 |
| Primary APN | 84A-181-84 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,313 sqft Living Area |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 5,116 sqft (0.117 acres) |
| Street Address | 20246 STANTON AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5224 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 0000A BLK: PM: 0097 PAGE: 0014 |
| Legal Subdivision | PARCEL MAP 2152 |
| Legal Lot Number | A |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 430900 |
20246 Stanton Ave is owned and occupied by two individuals who bought it in July 2021.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20246 STANTON AVE, CASTRO VALLEY, CA 94546-5224 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Jul 20, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 20, 2021 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 20, 2021 · Amount on File |
| Deed Sale | Jul 20, 2021 · Amount on File |
| Deed Document Number | 2021252221 |
| Prior Transfer Date | Jul 18, 2021 |
| Prior Transfer Doc | 0000252222 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 20, 2021 |
| Property Address | 20246 STANTON AVE, CASTRO VALLEY, CA 94546-5224 |
| Document Number | 0000252222 |
| Map Reference | MB 97 PG 14 |
| Instrument Date | Jul 18, 2021 |
| Instrument | 2021252222 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20246 STANTON AVE, CASTRO VALLEY, CA 94546-5224 |
| Document Number | 0000252223 |
|---|---|
| Date | Jul 20, 2021 |
| Instrument | 2021252223 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 20, 2021 |
| Property Address | 20246 STANTON AVE, CASTRO VALLEY, CA 94546-5224 |
| Document Number | 0000252221 |
| Map Reference | MB 97 PG 14 |
| Instrument Date | Jul 16, 2021 |
| Instrument | 2021252221 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $858.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 20246 STANTON AVE, CASTRO VALLEY, CA 94546-5224 |
The 2025 property tax bill for 20246 Stanton Ave was $10,554 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 | $837,286 (+1.15%) Land $254,368 Building $589,918 | ||
| 2025 | $10,554.00 Homeowner's exemption | $827,736 Land $249,382 Building $578,354 | |
| 2023 | $10,156.00 Homeowner's exemption | $795,600 Land $239,700 Building $555,900 | $833,130 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20246 Stanton Ave in Zone X, an area of minimal flood risk.
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 | 4 in force |
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.
The area around 20246 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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