Alameda County property record for 19846 Forest Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,263 sqft · built 1948 |
| Lot Size | 0.263 acres (11,448 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $725,000 (May 2015) |
| Tax Bill | $11,068 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-707-16 |
| Primary APN | 84C-707-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,263 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Lot Area | 11,448 sqft (0.263 acres) |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 19846 FOREST AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4515 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00016 BLK: AR: 084C PAGE: 0707 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 430800 |
19846 Forest Ave is owned and occupied by two individuals who bought it in May 2015.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 19846 FOREST AVE, CASTRO VALLEY, CA 94546-4515 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Sep 9, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jun 19, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 22, 2015 · Amount on File |
| Deed Sale | May 22, 2015 · Amount on File |
| Prior Sale | Mar 4, 2014 · Amount on File |
| Deed Document Number | 2015136374 |
| Prior Transfer Date | Sep 25, 1992 |
| Prior Transfer Doc | 0000247793 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 19846 FOREST AVE, CASTRO VALLEY, CA 94546-4515 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 19846 FOREST AVE, CASTRO VALLEY, CA 94546-4515 |
| Investor | Possibly a Property Investor |
| Document Number | 0000304613 |
|---|---|
| Date | Sep 9, 2021 |
| Instrument | 2021304613 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Oct 1, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 19846 FOREST AVE, CASTRO VALLEY, CA 94546-4515 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000142501 |
|---|---|
| Date | Jun 19, 2020 |
| Instrument | 2020142501 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Jul 1, 2045 |
The 2025 property tax bill for 19846 Forest Ave was $11,068 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 | $881,733 (+1.2%) Land $266,620 Building $622,113 | ||
| 2025 | $11,068.00 Homeowner's exemption | $871,311 Land $261,393 Building $609,918 | |
| 2023 | $10,654.00 Homeowner's exemption | $837,483 Land $251,245 Building $586,238 | $988,020 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 19846 Forest Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 19846 Forest Ave is low, with less than 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 93% 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 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 Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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