Alameda County property record for 21039 Baker Rd, Castro Valley, CA 94546
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.5 ba · 1,056 sqft · built 1976 |
| Lot Size | 0.034 acres (1,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $225,000 (Mar 2010) |
| Tax Bill | $4,185 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 84A-16-15 |
| Primary APN | 84A-16-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,056 sqft Living Area |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 1,500 sqft (0.034 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21039 BAKER RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5739 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TR: 3578 LOT: BLDG: UNIT:3 |
| Legal Subdivision | CASTRO VALLEY VILLAS |
| Legal Tract | 3578 |
| Legal Lot Number | 3 |
| Legal Unit | 3 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 431000 |
Source: Alameda County records · APN 84A-16-15
Assessment roll updated June 20, 2025 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21039 BAKER RD, CASTRO VALLEY, CA 94546-5739 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 05, 2010 · Amount on Record |
| Deed Sale | Mar 05, 2010 · Amount on Record |
| Prior Sale | Oct 14, 2009 · Amount on Record |
| Deed Document Number | 201060252 |
| Prior Transfer Date | Jul 27, 1995 |
| Prior Transfer Doc | 0000302058 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated June 20, 2025 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,185.00 (+2.57%) Homeowner's exemption | $283,413 (+1.53%) Land $87,124 Building $203,289 | |
| 2024 | $4,080.00 (+2.05%) | ||
| 2023 | $3,998.00 Homeowner's exemption | $279,138 Land $83,741 Building $195,397 | $485,820 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: California Internet, T-Mobile USA, Verizon.
Based on FCC filings for 459 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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