Alameda County property record for 2805 Castro Valley Blvd, Castro Valley, CA 94546
| Property Type | Commercial Office |
|---|---|
| Details | 1.5 ba · 10,191 sqft · built 1962 |
| Lot Size | 0.434 acres (18,915 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,320,000 (Nov 2011) |
| Tax Bill | $24,338 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-17-1-3 |
| Primary APN | 84A-17-1-3 |
|---|---|
| Alternative APN |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Units | 13 Units |
| Stories | 2 Stories |
| Building Area | 10,191 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 18,915 sqft (0.434 acres) |
| View / Lot | Average |
| Street Address | 2805 CASTRO VALLEY BLVD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | LOT: 00003 BLK: 0001 AR: 084A PAGE: 0017 |
| Legal Subdivision | BAKER VISTA |
| Legal Lot Number | 6&5 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 431000 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 4319 RAILROAD AVE, A, PLEASANTON, CA 94566-6686 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 9, 2011 · Amount on Record |
| Deed Sale | Nov 9, 2011 · Amount on Record |
| Prior Sale | Mar 27, 2002 · Amount on Record |
| Deed Document Number | 2011320227 |
| Prior Transfer Date | Feb 15, 2011 |
| Prior Transfer Doc | 0000165921 |
| Record Updated | Oct 29, 2026 |
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 | $1,691,051 (+2%) Land $736,632 Building $954,419 | |
| 2025 | $24,338.00 (-17.34%) | $1,657,906 (+4.04%) Land $722,194 Building $935,712 |
| 2023 | $29,445.00 | $1,593,543 Land $694,157 Building $899,386 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| 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 |
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: 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 609 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 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Unwired, Verizon.
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