Alameda County property record for 4792 Heyer Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,551 sqft · built 1952 |
| Lot Size | 0.203 acres (8,866 sqft) |
| Owner | Owner Name on File |
| Last Sale | $614,000 (Feb 2006) |
| Tax Bill | $10,687 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-775-2-2 |
| Primary APN | 84C-775-2-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,551 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 8,866 sqft (0.203 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4792 HEYER AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3600 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 430200 |
Source: Alameda County records · APN 84C-775-2-2
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 4792 HEYER AVE, CASTRO VALLEY, CA 94546-3600 |
| Occupancy | Owner Occupied |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 23, 2006 · Amount on Record |
| Deed Sale | Feb 23, 2006 · Amount on Record |
| Prior Sale | Mar 11, 2010 · Amount on Record |
| Deed Document Number | 0000067033 |
| Last Transfer Date | Nov 30, 2010 |
| Transfer Doc | 0000350346 |
| Record Updated | Jun 07, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4792 HEYER AVE, CASTRO VALLEY, CA 94546-3600 |
| Transaction Type | Mortgage |
| Record Updated | Sep 23, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4792 HEYER AVE, CASTRO VALLEY, CA 94546-3600 |
| Document Number | 0000299138 |
|---|---|
| Date | Sep 02, 2021 |
| Instrument | 2021299138 |
| Name | GENERAL MORTGAGE CAPITAL CORP |
|---|---|
| Type | Mortgage Company |
| Address | BURLINGAME, CA 94010 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $10,687.00 (+3.91%) Homeowner's exemption | $839,005 (+4.04%) Land $251,701 Building $587,304 |
| 2023 | $10,285.00 Homeowner's exemption | $806,433 Land $241,930 Building $564,503 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014302002, 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 |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998, rainfall accumulation |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond 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, availability as of December 31, 2025 · Published October 2026 · based on 804 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Etheric Communications, LLC., AT&T, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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