Alameda County property record for 4343 E Castro Valley Blvd, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 3,443 sqft · built 1966 |
| Lot Size | 0.411 acres (17,897 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,392,000 (Jul 2019) |
| Tax Bill | $18,750 (2025) |
| Deeds & Mortgages | Feb 2022 Line of Credit Mar 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6302-1-2 |
| Primary APN | 85-6302-1-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 3,443 sqft Living Area |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 17,897 sqft (0.411 acres) |
| Parking Spaces | 5 Parking Spaces |
| Street Address | 4343 E CASTRO VALLEY BLVD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-4909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0001 AR: 0085 PAGE: 6302 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 430101 |
4343 E Castro Valley Blvd is owned and occupied by two individuals who bought it in July 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Feb 23, 2022 | Deed of Trust, Mortgage · Line of Credit GOLDEN BANK NA |
| Mar 11, 2021 | Deed of Trust, Mortgage · Conventional Mortgage STRONG HOME MORTGAGE LLC |
| Jul 31, 2019 | Grant Deed, Transfer · Conventional Mortgage SYNERGY ONE LNDG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 31, 2019 · Amount on File |
| Deed Sale | Jul 31, 2019 · Amount on File |
| Prior Sale | Dec 31, 2014 · Amount on File |
| Deed Document Number | 2019147573 |
| Prior Transfer Date | Jan 19, 1994 |
| Prior Transfer Doc | 0000026980 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Transaction Type | Mortgage |
| Record Updated | Sep 28, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Document Number | 0000040784 |
|---|---|
| Date | Feb 23, 2022 |
| Instrument | 2022040784 |
| Name | GOLDEN BANK NA |
|---|---|
| Type | Bank |
| Address | HOUSTON, TX 77036 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 25, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Transaction Type | Mortgage |
| Record Updated | Sep 28, 2023 |
| Title Company | SOLIDIFI TITLE AND CLOSING, SOLIDIFI TITLE & CLOSING |
| Name | Verified Name |
|---|---|
| Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Document Number | 0000100644 |
|---|---|
| Date | Mar 11, 2021 |
| Instrument | 2021100644 |
| Name | STRONG HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | MANASSAS, VA 20110 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Apr 1, 2036 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 31, 2019 |
| Property Address | 4343 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4909 |
| Document Number | 0000147573 |
| Instrument Date | Jul 25, 2019 |
| Instrument | 147573 |
| Transaction Type | Transfer |
| Record Updated | Aug 21, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,531.20 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4817 KATHLEEN AVE CASTRO VALLEY CA 945462505, CASTRO VALLEY, CA 94546-2505 |
| Document Number | 147574 |
|---|---|
| Date | Jul 31, 2019 |
| Instrument | 147574 |
| Name | SYNERGY ONE LNDG |
|---|---|
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 30, 2049 |
The 2025 property tax bill for 4343 E Castro Valley Blvd was $18,750 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 | $1,545,775 (+1.54%) Land $465,832 Building $1,086,943 | ||
| 2025 | $18,750.00 Homeowner's exemption | $1,522,332 Land $456,699 Building $1,065,633 | |
| 2023 | $18,082.00 Homeowner's exemption | $1,463,228 Land $438,968 Building $1,024,260 | $1,520,640 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4343 E Castro Valley Blvd 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 4343 E Castro Valley Blvd 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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