Alameda County property record for 2639 Somerset Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 784 sqft · built 1949 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $237,000 (Aug 2010) |
| Tax Bill | $4,369 (2025) |
| Deeds & Mortgages | Sep 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-200-1 |
| Primary APN | 84A-200-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 784 sqft Living Area |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Street Address | 2639 SOMERSET AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4040 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: AR: 084A PAGE: 0200 |
| Legal Subdivision | STANTON 01 |
| Legal Lot Number | 25 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 430600 |
2639 Somerset Ave is owned and occupied by two individuals who acquired it in April 2015.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2639 SOMERSET AVE, CASTRO VALLEY, CA 94546-4040 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 11, 2010 · Amount on File |
| Deed Sale | Aug 11, 2010 · Amount on File |
| Deed Document Number | 2010229791 |
| Last Transfer Date | Apr 15, 2015 |
| Transfer Doc | 0000102426 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 2639 SOMERSET AVE, CASTRO VALLEY, CA 94546-4040 |
| Document Number | 0000210197 |
| Instrument Date | Sep 2, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 27, 2018 |
| Title Company | AMERICAN TITLE COMPANY, AMERICAN TITLE INC |
| Name | Verified Name |
|---|---|
| Address | 2639 SOMERSET AVE CASTRO VALLEY CA 945464040, CASTRO VALLEY, CA 94546-4040 |
| Document Number | 0000210197 |
|---|---|
| Date | Sep 25, 2017 |
| Instrument | 210197 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 2639 Somerset Ave was $4,369 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 | $302,691 (-0.31%) Land $92,907 Building $216,784 | ||
| 2025 | $4,369.00 Homeowner's exemption | $303,620 Land $91,086 Building $212,534 | |
| 2023 | $4,176.00 Homeowner's exemption | $291,834 Land $87,550 Building $204,284 | $552,960 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2639 Somerset Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 2639 Somerset 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 98% of the US · lower than 98.4% 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 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 Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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