Alameda County property record for 20023 Zeno St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,438 sqft · built 1955 |
| Lot Size | 0.377 acres (16,456 sqft) |
| Owner | Individual Name on File |
| Last Sale | $731,000 (Sep 2016) |
| Tax Bill | $10,877 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-205-17-4 |
| Primary APN | 84A-205-17-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,438 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 16,456 sqft (0.377 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 20023 ZENO ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4032 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUBD:STANTON TRACT #1 |
| Legal Subdivision | STANTON TRACT #1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 430600 |
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 | 69 BELLEVILLE AVE, BLOOMFIELD, NJ 07003-5268 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 9, 2016 · Amount on Record |
| Deed Sale | Sep 9, 2016 · Amount on Record |
| Prior Sale | Dec 16, 2003 |
| Deed Document Number | 2016230269 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20023 ZENO ST, CASTRO VALLEY, CA 94546-4032 |
| Transaction Type | Mortgage |
| Record Updated | Mar 9, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 20023 ZENO ST, CASTRO VALLEY, CA 94546-4032 |
| Document Number | 0000040168 |
|---|---|
| Date | Feb 23, 2022 |
| Instrument | 2022040168 |
| Name | PMAC LENDING SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Address | BREA, CA 92821 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2052 |
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 | $10,877.00 (+3.87%) | $848,137 (+4.04%) Land $254,441 Building $593,696 |
| 2023 | $10,472.00 | $815,207 Land $244,562 Building $570,645 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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 709 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: California Internet, T-Mobile USA.
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