Alameda County property record for 21136 Dawe Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,086 sqft · built 1948 |
| Lot Size | 0.123 acres (5,358 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $830,000 (Jul 2022) |
| Tax Bill | $10,462 (2025) |
| Deeds & Mortgages | Jul 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-51-40-2 |
| Primary APN | 84A-51-40-2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,086 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,358 sqft (0.123 acres) |
| Parking Spaces | 1 Parking Space |
| Street Address | 21136 DAWE AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5756 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00006 BLK: 0003 TR: 0868 |
| Legal Subdivision | 868 EDEN TOWNSHIP |
| Legal Tract | 0868 |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 431000 |
21136 Dawe Ave is owned and occupied by two individuals who bought it in July 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21136 DAWE AVE, CASTRO VALLEY, CA 94546-5756 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 22, 2022 · Amount on File |
| Deed Sale | Jul 22, 2022 · Amount on File |
| Prior Sale | Jun 15, 2001 · Amount on File |
| Deed Document Number | 2022131319 |
| Prior Transfer Date | Oct 19, 2007 |
| Prior Transfer Doc | 0000403151 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 22, 2022 |
| Property Address | 21136 DAWE AVE, CASTRO VALLEY, CA 94546-5756 |
| Document Number | 0000131319 |
| Map Reference | MB 27 PG 69&70 |
| Instrument Date | Jul 6, 2022 |
| Instrument | 2022131319 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $913.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21136 DAWE AVE, CASTRO VALLEY, CA 94546-5756 |
| Document Number | 0000131320 |
|---|---|
| Date | Jul 22, 2022 |
| Instrument | 2022131320 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2052 |
The 2025 property tax bill for 21136 Dawe Ave was $10,462 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 | $873,796 (+6.56%) Land $291,830 Building $588,966 | ||
| 2025 | $10,462.00 Homeowner's exemption | $820,000 Land $246,000 Building $574,000 | |
| 2023 | $9,769.00 Homeowner's exemption | $763,000 Land $228,900 Building $534,100 | $731,430 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21136 Dawe Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1993.
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 |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 1 (1993) |
| Most Recent Claim | Jan 1993 · other causes |
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 21136 Dawe 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 499 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 · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired.
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