Alameda County property record for 17821 Parker Rd, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,160 sqft · built 1947 |
| Lot Size | 0.255 acres (11,118 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,822 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1155-8-4 |
| Primary APN | 84D-1155-8-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,160 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 11,118 sqft (0.255 acres) |
| Street Address | 17821 PARKER RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1229 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00004 BLK: 0008 AR: 084D PAGE: 1155 |
| Legal Subdivision | CASTRO VLY ORCHARDS |
| Legal Tract | 1372 |
| Legal Block | B |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 430300 |
Source: Alameda County records · APN 84D-1155-8-4
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 17821 PARKER RD, CASTRO VALLEY, CA 94546-1229 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 02, 2008 |
| Transfer Doc | 0000297617 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 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 |
|---|---|---|---|
| 2026 | $82,528 (-5.98%) Land $48,765 Building $40,763 | ||
| 2025 | $1,822.00 (+6.36%) Homeowner's exemption | $87,773 (+4.04%) Land $47,809 Building $39,964 | |
| 2023 | $1,713.00 Homeowner's exemption | $84,365 Land $45,953 Building $38,412 | $939,690 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014303001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,381 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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, availability as of December 31, 2025 · Published October 2026 · based on 606 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Etheric Communications, LLC., AT&T, Verizon, Unwired, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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