Alameda County property record for 3700 E Castro Valley Blvd, Castro Valley, CA 94552
| Property Type | Mixed Use Store/Office |
|---|---|
| Details | 3,416 sqft · built 1953 |
| Lot Size | 0.199 acres (8,670 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $805,000 (May 2021) |
| Tax Bill | $11,945 (2025) |
| Deeds & Mortgages | Aug 2022 Mortgage May 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6318-1-1 |
| Primary APN | 85-6318-1-1 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 3,416 sqft Total Area |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Construction Type | Wood |
| Lot Area | 8,670 sqft (0.199 acres) |
| Street Address | 3700 E CASTRO VALLEY BLVD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-4815 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Mixed Use Store/Office |
| Legal Description | LOT: 00001 BLK: TR: 7434 ;LOT: 00001 BLK: 0001 AR: 0085 PAGE: 6318 ;LOT: 0000A BLK: TR: 7434 |
| Legal Subdivision | TRACT 7434 |
| Legal Tract | 7434 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1026 |
| Census Tract | 430101 |
3700 E Castro Valley Blvd, a commercial property, is owned by two individuals who bought it in May 2021.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3794 CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94546-4406 |
| 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 |
|---|---|
| Aug 22, 2022 | Deed of Trust, Mortgage 2004 0000166 LLC |
| May 6, 2021 | Grant Deed, Transfer · Commercial Mortgage KBC INC PROFIT SHARING PLAN & TRUST |
| May 6, 2021 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 6, 2021 · Amount on File |
| Deed Sale | May 6, 2021 · Amount on File |
| Deed Document Number | 2021175485 |
| Prior Transfer Date | Apr 27, 2021 |
| Prior Transfer Doc | 0000175486 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3700 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4815 |
| Transaction Type | Mortgage |
| Record Updated | Jun 15, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3700 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4815 |
| Document Number | 0000146020 |
|---|---|
| Date | Aug 22, 2022 |
| Instrument | 2022146020 |
| Name | 2004 0000166 LLC |
|---|---|
| Type | Non-Lending Institution |
| Amount | Amount on Record |
|---|---|
| Term | 361 Months |
| Due | Sep 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 6, 2021 |
| Property Address | 3700 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4815 |
| Document Number | 0000175485 |
| Map Reference | MB 279 PG 83-85 |
| Instrument Date | Apr 29, 2021 |
| Instrument | 2021175485 |
| Transaction Type | Transfer |
| Record Updated | Jun 15, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $885.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3794 CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94546-4406 |
| Document Number | 0000175487 |
|---|---|
| Date | May 6, 2021 |
| Instrument | 2021175487 |
| Name | KBC INC PROFIT SHARING PLAN & TRUST |
|---|---|
| Type | Non-Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 6, 2021 |
| Property Address | 3700 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-4815 |
| Document Number | 0000175486 |
| Map Reference | MB 279 PG 83-85 |
| Instrument Date | Apr 27, 2021 |
| Instrument | 2021175486 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3794 CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94546-4406 |
The 2025 property tax bill for 3700 E Castro Valley Blvd was $11,945.
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 |
|---|---|---|
| 2026 | $888,767 (+2%) Land $264,974 Building $623,793 | |
| 2025 | $11,945.00 | $871,347 Land $259,780 Building $611,567 |
| 2023 | $11,467.00 | $837,522 Land $249,696 Building $587,826 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3700 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 3700 E Castro Valley Blvd 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 442 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile, Unwired.
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