3375 Somerset Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 3375 Somerset Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 960 sqft · built 1935
Lot Size	0.106 acres (4,624 sqft)
Owner	Trust Name on File
Last Sale	$334,000 (Dec 2009)
Tax Bill	$5,804 (2025)
Deeds & Mortgages	Jun 2018 Transfer Jun 2017 Transfer + 1 more
Flood Zone	Zone X (moderate risk)
APN	`84A-130-107`

Property Details

APN / Parcel Number

Primary APN	`84A-130-107`
Alternative APNs	`084A-0130-107-00` `084A013001102`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	960 sqft Living Area

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1948
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,624 sqft (0.106 acres)

Location & Zoning

Street Address	3375 SOMERSET AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3352
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00002 BLK: PM: 0274 PAGE: 0006
Legal Subdivision	PARCEL MAP 7764
Legal Lot Number	2
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2000
Census Tract	430900

Owner

3375 Somerset Ave is held in a trust since December 2009.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Trust Name on File
Mailing Address	6525 BELLHURST LN, CASTRO VALLEY, CA 94552-1653
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jun 13, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Jun 27, 2017	Quit Claim Deed, Transfer Quitclaim
Apr 17, 2017	Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 30, 2009 · Amount on File
Deed Sale	Dec 30, 2009 · Amount on File
Prior Sale	Oct 12, 2009 · Amount on File
Deed Document Number	2009399891
Prior Transfer Date	Aug 25, 1994
Prior Transfer Doc	0000294930
Record Updated	Oct 29, 2026

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 13, 2018
Property Address	3375 SOMERSET AVE, CASTRO VALLEY, CA 94546-3352
Document Number	0000117157
Instrument Date	May 9, 2018
Instrument	117157
Transaction Type	Transfer
Record Updated	Jan 14, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	5546 BROADWAY OAKLAND CA 946181748, OAKLAND, CA 94618-1748

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 27, 2017
Property Address	3375 SOMERSET AVE, CASTRO VALLEY, CA 94546-3352
Document Number	0000140341
Instrument Date	Jun 13, 2017
Instrument	140341
Transaction Type	Transfer
Record Updated	Jul 19, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3369 SOMERSET AVE CASTRO VALLEY CA 945463352, CASTRO VALLEY, CA 94546-3352

April 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Apr 17, 2017
Property Address	3375 SOMERSET AVE, CASTRO VALLEY, CA 94546-3352
Document Number	0000085783
Instrument Date	Feb 9, 2017
Instrument	85783
Transaction Type	Transfer
Record Updated	May 2, 2017

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5546 BROADWAY OAKLAND CA 946181748, OAKLAND, CA 94618-1748

Tax Assessment & Valuation

The 2025 property tax bill for 3375 Somerset Ave was $5,804.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$426,558 (+2%) Land $127,967 Building $298,591
2025	$5,804.00	$418,195 Land $125,458 Building $292,737
2023	$5,567.00	$401,960 Land $120,588 Building $281,372	$756,270

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 3375 Somerset Ave in Zone X, an area of moderate flood risk, though there have been 2 flood claims nearby since 2022.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 12 individual policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	29 units insured incl. 17 condo units
Nearby Flood Claims	2 (2022–2023)
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims

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.

Wildfire

The area around 3375 Somerset Ave 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 609 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 / 250
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile, Unwired, Verizon.

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