Alameda County property record for 2684 Watson St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,061 sqft · built 1948 |
| Lot Size | 0.119 acres (5,200 sqft) |
| Owner | Individual Name on File |
| Last Sale | $840,000 (Oct 2024) |
| Tax Bill | $10,968 (2025) |
| Deeds & Mortgages | May 2020 Line of Credit May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 416-10-36 |
| Primary APN | 416-10-36 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,061 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,200 sqft (0.119 acres) |
| Street Address | 2684 WATSON ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-6422 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00009 BLK: 0001 TR: 0875 |
| Legal Subdivision | 875 EDEN TOWNSHIP |
| Legal Tract | 0875 |
| Legal Block | 1 |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 431100 |
2684 Watson St is owned and occupied by an individual who bought it in October 2024.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2684 WATSON ST, CASTRO VALLEY, CA 94546-6422 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Woman |
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 |
|---|---|
| May 8, 2020 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| May 13, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 17, 2024 · Amount on File |
| Deed Sale | Oct 17, 2024 · Amount on File |
| Prior Sale | Aug 4, 2009 · Amount on File |
| Deed Document Number | 2024126882 |
| Prior Transfer Date | Jul 14, 2004 |
| Prior Transfer Doc | 0000330613 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 2684 WATSON ST, CASTRO VALLEY, CA 94546-6422 |
| Transaction Type | Mortgage |
| Record Updated | Jun 21, 2021 |
| Title Company | TITLE365 |
| Name | Verified Name |
|---|
| Document Number | 0000107188 |
|---|---|
| Date | May 8, 2020 |
| Instrument | 2020107188 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Lending Institution |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Apr 25, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 2684 WATSON ST, CASTRO VALLEY, CA 94546-6422 |
| Transaction Type | Mortgage |
| Record Updated | Jun 21, 2021 |
| Title Company | CORNERSTONE TITLE |
| Name | Verified Name |
|---|---|
| Address | 2684 WATSON ST, CASTRO VALLEY, CA 94546-6422 |
| Document Number | 0000182415 |
|---|---|
| Date | May 13, 2021 |
| Instrument | 2021182415 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2051 |
The 2025 property tax bill for 2684 Watson St was $10,968 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 | Hayward Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $851,200 (+1.33%) Land $257,040 Building $599,760 | ||
| 2025 | $10,968.00 | $840,000 Land $252,000 Building $588,000 | |
| 2023 | $4,900.00 Homeowner's exemption | $342,410 Land $102,723 Building $239,687 | $625,230 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 2684 Watson St 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 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 7 (1989–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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.
The area around 2684 Watson St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 732 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL 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, Sonic Telecom, Unwired.
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