Alameda County property record for 20559 Forest Ave, Castro Valley, CA 94546
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 20 bd · 12 ba · 10,590 sqft · built 1964 |
| Lot Size | 0.55 acres (23,937 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,800,000 (Sep 2013) |
| Tax Bill | $34,611 (2025) |
| Deeds & Mortgages | Jun 2022 Construction Loan |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-724-75 |
| Primary APN | 84C-724-75 |
|---|---|
| Alternative APN |
|
| Bedrooms | 20 Beds |
|---|---|
| Full Baths | 12 Baths |
| Units | 12 Units |
| Stories | 2 Stories |
| Building Area | 10,590 sqft Living Area |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Construction Type | Wood |
| Lot Area | 23,937 sqft (0.55 acres) |
| Street Address | 20559 FOREST AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4556 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT: 00075 BLK: AR: 084C PAGE: 0724 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 430800 |
Source: Alameda County records, as of September 1, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1330 N BROADWAY, C, WALNUT CREEK, CA 94596-4646 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 20, 2013 · Amount on Record |
| Deed Sale | Sep 20, 2013 · Amount on Record |
| Prior Sale | Apr 1, 1999 · Amount on Record |
| Deed Document Number | 2013311762 |
| Prior Transfer Date | Jan 16, 1998 |
| Prior Transfer Doc | 0000061125 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20559 FOREST AVE, CASTRO VALLEY, CA 94546-4556 |
| Transaction Type | Mortgage |
| Record Updated | Jul 14, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 10 SARATOGA CT, ALAMO, CA 94507-2228 |
| Document Number | 0000111794 |
|---|---|
| Date | Jun 15, 2022 |
| Instrument | 2022111794 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $2,244,573 (+2%) Land $675,172 Building $1,569,401 | |
| 2025 | $34,611.00 (+5.29%) | $2,200,573 (+4.04%) Land $661,937 Building $1,538,636 |
| 2023 | $32,873.00 | $2,115,139 Land $636,238 Building $1,478,901 |
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 | 1 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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 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 777 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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