3786 Somerset Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 3786 Somerset Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 2,833 sqft · built 1940
Lot Size	0.242 acres (10,537 sqft)
Owner	Individual Name on File
Last Sale	$1,600,000 (Dec 2021)
Tax Bill	$21,605 (2025)
Deeds & Mortgages	Feb 2022 Mortgage Dec 2021 Sale & Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`84B-592-18`

Property Details

APN / Parcel Number

Primary APN	`84B-592-18`
Alternative APN	`084B-0592-018-00`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	2,833 sqft Living Area

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1973
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	10,537 sqft (0.242 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3786 SOMERSET AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3441
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: PM: 0338 PAGE: 0058
Legal Subdivision	SUBDIVISION STANTON ACRES
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2010
Census Tract	430700

Owner

3786 Somerset Ave is owned and occupied by an individual who bought it in December 2021.

Source: Alameda County records, as of September 28, 2026

Owner of Record	Individual Name on File
Mailing Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
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.

Deeds, Mortgages & Sale History

Date	Document
Feb 28, 2022	Deed of Trust, Mortgage · Commercial Mortgage GIGA TONNE USA INC
Dec 22, 2021	Grant Deed, Transfer · Conventional Mortgage PMAC LENDING SERVICES INC
Dec 22, 2021	Intrafamily Transfer, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY
Oct 10, 2019	Grant Deed, Transfer NOT AVAILABLE
Feb 13, 2019	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Feb 27, 2017	Grant Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 22, 2021 · Amount on File
Deed Sale	Dec 22, 2021 · Amount on File
Prior Sale	Jul 13, 2015 · Amount on File
Deed Document Number	2021403498
Prior Transfer Date	Feb 12, 1996
Prior Transfer Doc	0000039761
Record Updated	Oct 29, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Transaction Type	Mortgage
Record Updated	Jun 15, 2023
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441

Mortgage

Document Number	0000043139
Date	Feb 28, 2022
Instrument	2022043139

Lender

Name	GIGA TONNE USA INC
Type	Non-Lending Institution
Address	SAN FRANCISCO, CA 94124

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

December 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 22, 2021
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Document Number	0000403498
Map Reference	MB 338 PG 58&59
Instrument Date	Dec 15, 2021
Instrument	2021403498
Transaction Type	Transfer
Record Updated	Jun 15, 2023
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,760.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441

Mortgage

Document Number	0000403500
Date	Dec 22, 2021
Instrument	2021403500

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2052

December 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Dec 22, 2021
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Document Number	0000403499
Map Reference	MB 338 PG 58&59
Instrument Date	Dec 15, 2021
Instrument	2021403499
Transaction Type	Transfer
Record Updated	Sep 28, 2023
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 10, 2019
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Document Number	0000205782
Instrument Date	Oct 10, 2019
Instrument	205782
Transaction Type	Transfer
Record Updated	Oct 30, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3790 SOMERSET AVE CASTRO VALLEY CA 945463441, CASTRO VALLEY, CA 94546-3441

February 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Feb 13, 2019
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Document Number	0000028102
Instrument Date	Dec 19, 2018
Instrument	28102
Transaction Type	Transfer
Record Updated	Jan 24, 2020
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	4034 MEADOWVIEW DR CASTRO VALLEY CA 945464635, CASTRO VALLEY, CA 94546-4635

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Feb 27, 2017
Property Address	3786 SOMERSET AVE, CASTRO VALLEY, CA 94546-3441
Document Number	0000050535
Instrument Date	Jan 5, 2017
Instrument	50535
Transaction Type	Transfer
Record Updated	Jan 24, 2020
Title Company	NOT AVAILABLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	399 ELMHURST ST HAYWARD CA 945441307, HAYWARD, CA 94544-1307

Tax Assessment & Valuation

The 2025 property tax bill for 3786 Somerset Ave was $21,605 with a homeowner's exemption.

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		$1,724,871 (+1.59%) Land $519,561 Building $1,212,310
2025	$21,605.00 Homeowner's exemption	$1,697,920 Land $509,376 Building $1,188,544
2023	$20,792.00 Homeowner's exemption	$1,632,000 Land $489,600 Building $1,142,400	$1,575,540

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

Flood

FEMA maps place 3786 Somerset Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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	5 in force
Nearby Flood Claims	1 (1998)
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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

Wildfire risk around 3786 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 96% of the US · lower than 97.4% 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.

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 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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