Alameda County property record for 4433 James Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,368 sqft · built 1980 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $6,543 (2025) |
| Deeds & Mortgages | Mar 2022 Transfer Dec 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-783-17-3 |
| Primary APN | 84C-783-17-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,368 sqft Living Area |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 7,000 sqft (0.161 acres) |
| Street Address | 4433 JAMES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3559 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: PM: 0102 PAGE: 0025 ;LOT: 00002 BLK: PM: 0102 PAGE: 0025 |
| Legal Subdivision | PARCEL MAP 2372 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 430200 |
4433 James Ave is owner-occupied and held in a trust since March 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4433 JAMES AVE, CASTRO VALLEY, CA 94546-3559 |
| 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.
| Date | Document |
|---|---|
| Mar 23, 2022 | Intrafamily Transfer, Transfer |
| Dec 6, 2017 | Deed of Trust, Mortgage · Line of Credit US BK |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 10, 2022 |
| Transfer Doc | 0000060679 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 23, 2022 |
| Property Address | 4433 JAMES AVE, CASTRO VALLEY, CA 94546-3559 |
| Document Number | 0000060679 |
| Map Reference | MB 102 PG 25&26 |
| Instrument Date | Mar 10, 2022 |
| Instrument | 2022060679 |
| 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 | 4433 JAMES AVE, CASTRO VALLEY, CA 94546-3559 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4433 JAMES AVE, CASTRO VALLEY, CA 94546-3559 |
| Document Number | 0000007070 |
| Instrument Date | Dec 6, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 24, 2018 |
| Title Company | SOLIDIFI US INC |
| Name | Verified Name |
|---|---|
| Relationship | Married Couple |
| Address | 4433 JAMES AVE CASTRO VALLEY CA 945463559, CASTRO VALLEY, CA 94546-3559 |
| Document Number | 0000007070 |
|---|---|
| Date | Jan 12, 2018 |
| Instrument | 7070 |
| Name | US BK |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jan 11, 2048 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 4433 James Ave was $6,543 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 | $490,650 (+0.57%) Land $191,404 Building $306,246 | ||
| 2025 | $6,543.00 Homeowner's exemption | $487,892 Land $187,651 Building $300,241 | |
| 2023 | $6,279.00 Homeowner's exemption | $468,949 Land $180,365 Building $288,584 | $1,225,260 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4433 James Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
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 4433 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 724 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 · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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