Alameda County property record for 4165 David St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 986 sqft · built 1947 |
| Lot Size | 0.208 acres (9,075 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $10,113 (2025) |
| Deeds & Mortgages | Oct 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-660-16 |
| Primary APN | 84C-660-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 986 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 9,075 sqft (0.208 acres) |
| Street Address | 4165 DAVID ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4623 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP B5 692 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 430800 |
Source: Alameda County records, as of October 20, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 4165 DAVID ST, CASTRO VALLEY, CA 94546-4623 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 30, 2017 |
| Deed Sale | Oct 30, 2017 |
| Prior Sale | Jul 6, 2006 · Amount on Record |
| Deed Document Number | 2017239395 |
| Record Updated | Jun 7, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 30, 2017 |
| Property Address | 4165 DAVID ST, CASTRO VALLEY, CA 94546-4623 |
| Document Number | 0000239395 |
| Map Reference | MAP12 PG38 |
| Instrument Date | Oct 25, 2017 |
| Instrument | 2017239395 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4165 DAVID ST, CASTRO VALLEY, CA 94546-4623 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $10,113.00 (+3.94%) Homeowner's exemption | $790,410 (+4.04%) Land $237,123 Building $553,287 |
| 2023 | $9,730.00 Homeowner's exemption | $759,724 Land $227,917 Building $531,807 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 777 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 · Fixed Wireless 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.
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