Alameda County property record for 3989 Mabel Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 845 sqft · built 1953 |
| Lot Size | 0.122 acres (5,340 sqft) |
| Owner | Individual Name on File |
| Last Sale | $850,000 (Sep 2021) |
| Tax Bill | $11,513 (2025) |
| Deeds & Mortgages | Sep 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84B-590-17-1 |
| Primary APN | 84B-590-17-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 845 sqft Living Area |
| Year Built | Built 1953 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 5,340 sqft (0.122 acres) |
| Street Address | 3989 MABEL AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3447 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 430700 |
Source: Alameda County assessment roll, as of July 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 3989 MABEL AVE, CASTRO VALLEY, CA 94546-3447 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 15, 2021 · Amount on Record |
| Deed Sale | Sep 15, 2021 · Amount on Record |
| Prior Sale | Jan 26, 1998 |
| Deed Document Number | 2021310838 |
| Record Updated | Jun 8, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 15, 2021 |
| Property Address | 3989 MABEL AVE, CASTRO VALLEY, CA 94546-3447 |
| Document Number | 0000310838 |
| Instrument Date | Aug 19, 2021 |
| Instrument | 2021310838 |
| Transaction Type | Transfer |
| Record Updated | Oct 5, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $935.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3989 MABEL AVE, CASTRO VALLEY, CA 94546-3447 |
| Document Number | 0000310839 |
|---|---|
| Date | Sep 15, 2021 |
| Instrument | 2021310839 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.87% |
| Type Change Date | Oct 1, 2026 |
| Change Frequency | 6 Months |
| Min Rate At Change | 4.87% |
| Max Rate At Change | 6.87% |
| Index | Other |
| Max Rate | 9.87% |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $11,513.00 (+3.84%) | $902,020 (+4.04%) Land $270,606 Building $631,414 |
| 2023 | $11,087.00 | $867,000 Land $260,100 Building $606,900 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (1998) |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 704 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 |
| Starlink Satellite | 280 / 30 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet.
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