Alameda County property record for 4301 Old Dublin Rd, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 5,522 sqft · built 1988 |
| Lot Size | 0.505 acres (22,014 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $12,999 (2025) |
| Deeds & Mortgages | Dec 2022 Transfer Jun 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6302-12-3 |
| Primary APN | 85-6302-12-3 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 5,522 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 22,014 sqft (0.505 acres) |
| Street Address | 4301 OLD DUBLIN RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-4930 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 0000A BLK: PM: 0133 PAGE: 0041 |
| Legal Subdivision | PARCEL MAP 3593 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 430101 |
4301 Old Dublin Rd is owner-occupied and held in a trust since November 2022.
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 | Trust Name on File |
|---|---|
| Mailing Address | 4301 OLD DUBLIN RD, CASTRO VALLEY, CA 94552-4930 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 7, 2022 | Intrafamily Transfer, Transfer |
| Jun 14, 2018 | Intrafamily Transfer, Transfer · Line of Credit FREMONT BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 2, 2022 |
| Transfer Doc | 0000194676 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 7, 2022 |
| Property Address | 4301 OLD DUBLIN RD, CASTRO VALLEY, CA 94552-4930 |
| Document Number | 0000194676 |
| Map Reference | MB 133 PG 41 |
| Instrument Date | Nov 2, 2022 |
| Instrument | 2022194676 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4301 OLD DUBLIN RD, CASTRO VALLEY, CA 94552-4930 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 14, 2018 |
| Property Address | 4301 OLD DUBLIN RD, CASTRO VALLEY, CA 94552-4930 |
| Document Number | 0000117680 |
| Map Reference | MB 133 PG 41 |
| Instrument Date | May 23, 2018 |
| Instrument | 2018117680 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | COMMONWEALTH LAND TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4301 OLD DUBLIN RD, CASTRO VALLEY, CA 94552-4930 |
| Document Number | 0000117681 |
|---|---|
| Date | Jun 14, 2018 |
| Instrument | 2018117681 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Jun 12, 2043 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 4301 Old Dublin Rd was $12,999 with a homeowner's exemption.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,048,655 (+1.32%) Land $200,100 Building $855,555 | ||
| 2025 | $12,999.00 Homeowner's exemption | $1,034,959 Land $196,177 Building $838,782 | |
| 2023 | $12,521.00 Homeowner's exemption | $994,781 Land $188,561 Building $806,220 | $2,086,470 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4301 Old Dublin Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Wildfire risk around 4301 Old Dublin Rd is moderate, ranking above 44% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 211 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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