Alameda County property record for 4885 James Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,594 sqft · built 1954 |
| Lot Size | 0.138 acres (5,995 sqft) |
| Owner | Trust Name on File |
| Last Sale | $400,000 (Dec 2010) |
| Tax Bill | $6,832 (2025) |
| Deeds & Mortgages | May 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-777-20 |
| Primary APN | 84C-777-20 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,594 sqft Living Area |
| 1st Floor Area | 1,594 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,995 sqft (0.138 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4885 JAMES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3639 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00006 BLK: 0001 TR: 1256 |
| Legal Tract | 1256 |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 430200 |
4885 James Ave is owner-occupied and held in a trust since April 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4885 JAMES AVE, CASTRO VALLEY, CA 94546-3639 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 13, 2010 · Amount on File |
| Deed Sale | Dec 13, 2010 · Amount on File |
| Prior Sale | Dec 27, 2000 · Amount on File |
| Deed Document Number | 2010373557 |
| Last Transfer Date | Apr 25, 2019 |
| Transfer Doc | 0000091119 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 16, 2019 |
| Property Address | 4885 JAMES AVE, CASTRO VALLEY, CA 94546-3639 |
| Document Number | 0000091119 |
| Instrument Date | Apr 25, 2019 |
| Instrument | 91119 |
| Transaction Type | Transfer |
| Record Updated | Jun 3, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 4885 JAMES AVE CASTRO VALLEY CA 945463639, CASTRO VALLEY, CA 94546-3639 |
The 2025 property tax bill for 4885 James Ave was $6,832 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 | $515,556 (+0.63%) Land $156,675 Building $365,881 | ||
| 2025 | $6,832.00 Homeowner's exemption | $512,311 Land $153,603 Building $358,708 | |
| 2023 | $6,557.00 Homeowner's exemption | $492,424 Land $147,641 Building $344,783 | $935,460 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4885 James Ave 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 · 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.
Wildfire risk around 4885 James Ave is low, with a 0.01% annual chance of wildfire.
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 804 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks.
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