Alameda County property record for 4593 James Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,937 sqft · built 1950 |
| Lot Size | 0.228 acres (9,945 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,170,000 (Nov 2020) |
| Tax Bill | $15,813 (2025) |
| Deeds & Mortgages | Nov 2020 Sale & Mortgage Apr 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-780-3-3 |
| Primary APN | 84C-780-3-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,937 sqft Living Area |
| 1st Floor Area | 1,937 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 9,945 sqft (0.228 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4593 JAMES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2443 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00003 BLK: 0003 AR: 084C PAGE: 0780 |
| Legal Subdivision | SAN LORENZO RHO |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3005 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4593 JAMES AVE, CASTRO VALLEY, CA 94546-2443 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Nov 5, 2020 | Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC |
| Apr 8, 2017 | Deed of Trust, Mortgage · Conventional Mortgage OPES ADVISORS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 5, 2020 · Amount on Record |
| Deed Sale | Nov 5, 2020 · Amount on Record |
| Prior Sale | Aug 29, 2014 · Amount on Record |
| Deed Document Number | 2020298454 |
| Prior Transfer Date | Jun 17, 2011 |
| Prior Transfer Doc | 0000180979 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 5, 2020 |
| Property Address | 4593 JAMES AVE, CASTRO VALLEY, CA 94546-2443 |
| Document Number | 0000298454 |
| Instrument Date | Oct 28, 2020 |
| Instrument | 2020298454 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,287.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4593 JAMES AVE, CASTRO VALLEY, CA 94546-2443 |
| Document Number | 0000298455 |
|---|---|
| Date | Nov 5, 2020 |
| Instrument | 2020298455 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4593 JAMES AVE, CASTRO VALLEY, CA 94546-2443 |
| Document Number | 0000083679 |
| Instrument Date | Apr 8, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Apr 28, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4593 JAMES AVE CASTRO VALLEY CA 945462443, CASTRO VALLEY, CA 94546-2443 |
| Document Number | 0000083679 |
|---|---|
| Date | Apr 13, 2017 |
| Instrument | 83679 |
| Name | OPES ADVISORS |
|---|---|
| Address | CUPERTINO, CA 95014 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 12, 2047 |
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 | $1,291,750 (+2%) Land $387,525 Building $904,225 | ||
| 2025 | $15,813.00 (+3.73%) | $1,266,430 (+4.04%) Land $379,929 Building $886,501 | |
| 2023 | $15,245.00 | $1,217,267 Land $365,180 Building $852,087 | $1,229,220 |
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 |
|---|---|
| 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.
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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