Alameda County property record for 21121 Dawe Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 905 sqft · built 1948 |
| Lot Size | 0.122 acres (5,300 sqft) |
| Owner | Individual Name on File |
| Last Sale | $250,000 (May 2011) |
| Tax Bill | $4,648 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-51-3 |
| Primary APN | 84A-51-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 905 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,300 sqft (0.122 acres) |
| Street Address | 21121 DAWE AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5755 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: 0001 TR: 0868 |
| Legal Subdivision | 868 EDEN TOWNSHIP |
| Legal Tract | 0868 |
| Legal Block | 1 |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 431000 |
21121 Dawe Ave is owned and occupied by an individual who bought it in May 2011.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21121 DAWE AVE, CASTRO VALLEY, CA 94546-5755 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 11, 2011 · Amount on File |
| Deed Sale | May 11, 2011 · Amount on File |
| Prior Sale | Jan 24, 2006 · Amount on File |
| Deed Document Number | 2011142210 |
| Prior Transfer Date | Feb 22, 1995 |
| Prior Transfer Doc | 0000044642 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 21121 DAWE AVE, CASTRO VALLEY, CA 94546-5755 |
| Transaction Type | Mortgage |
| Record Updated | Mar 16, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 21121 DAWE AVE, CASTRO VALLEY, CA 94546-5755 |
| Document Number | 0000001099 |
|---|---|
| Date | Jan 4, 2021 |
| Instrument | 2021001099 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jan 1, 2051 |
The 2025 property tax bill for 21121 Dawe Ave was $4,648.
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 | $326,680 (+2%) Land $98,004 Building $228,676 | ||
| 2025 | $4,648.00 | $320,274 Land $96,082 Building $224,192 | |
| 2023 | $4,449.00 | $307,841 Land $92,352 Building $215,489 | $623,970 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21121 Dawe Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2023.
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 10 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (2023–2025) |
| Most Recent Claim | Dec 2025 · rainfall accumulation |
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 21121 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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