Alameda County property record for 4890 James Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,603 sqft · built 1954 |
| Lot Size | 0.128 acres (5,580 sqft) |
| Owner | Company Name on Record |
| Last Sale | $680,000 (Apr 2007) |
| Tax Bill | $11,536 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage Jul 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-793-26 |
| Primary APN | 84C-793-26 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,603 sqft Living Area |
| Gross Area | 90 sqft |
| Basement Area | 90 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 5,580 sqft (0.128 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4890 JAMES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3640 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT: 00007 BLK: 0002 TR: 1256 |
| Legal Tract | 1256 |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 430200 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 4890 JAMES AVE, CASTRO VALLEY, CA 94546-3640 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jul 28, 2021 | Deed of Trust, Mortgage · Conventional Mortgage TIAA FSB HOLDINGS INC |
| Jul 13, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 4, 2007 · Amount on Record |
| Deed Sale | Apr 4, 2007 · Amount on Record |
| Prior Sale | Aug 8, 2001 · Amount on Record |
| Deed Document Number | 2007130842 |
| Prior Transfer Date | Feb 23, 1994 |
| Prior Transfer Doc | 0000079006 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4890 JAMES AVE, CASTRO VALLEY, CA 94546-3640 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2021 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|---|
| Address | 4890 JAMES AVE, CASTRO VALLEY, CA 94546-3640 |
| Document Number | 0000259774 |
|---|---|
| Date | Jul 28, 2021 |
| Instrument | 2021259774 |
| Name | TIAA FSB HOLDINGS INC |
|---|---|
| Type | Bank |
| Address | JACKSONVILLE, FL 32202 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 358 Months |
| Due | May 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 13, 2021 |
| Property Address | 4890 JAMES AVE, CASTRO VALLEY, CA 94546-3640 |
| Document Number | 0000244466 |
| Map Reference | MB 34 PG 6&7 |
| Instrument Date | Jul 6, 2021 |
| Instrument | 2021244466 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4890 JAMES AVE, CASTRO VALLEY, CA 94546-3640 |
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 | $922,198 (+1.23%) Land $278,759 Building $650,439 | ||
| 2025 | $11,536.00 (+3.87%) Homeowner's exemption | $910,981 (+4.04%) Land $273,294 Building $637,687 | |
| 2023 | $11,106.00 Homeowner's exemption | $875,614 Land $262,684 Building $612,930 | $977,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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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