4178 Berdina Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 4178 Berdina Rd, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,196 sqft · built 1940
Lot Size	0.172 acres (7,500 sqft)
Owner	2 Individual Names on File
Last Sale	$365,000 (Feb 2013)
Tax Bill	$6,191 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Nov 2019 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84C-757-19`

Property Details

APN / Parcel Number

Primary APN	`84C-757-19`
Alternative APN	`084C-0757-019-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,196 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1965
Architectural Style	Custom Design
Exterior Material	Wood Siding
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	7,500 sqft (0.172 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4178 BERDINA RD
City	CASTRO VALLEY
State	CA
Zip	94546-3537
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00013 BLK: TR: 0542
Legal Tract	0542
Legal Lot Number	13
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1001
Census Tract	430800

Owner

4178 Berdina Rd is owned and occupied by two individuals who bought it in February 2013.

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

Owner of Record	2 Individual Names on File
Mailing Address	4178 BERDINA RD, CASTRO VALLEY, CA 94546-3537
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
Jan 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage ONE AMERICAN BANK
Nov 20, 2019	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND
Jul 22, 2017	Loan Modification, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 22, 2013 · Amount on File
Deed Sale	Feb 22, 2013 · Amount on File
Deed Document Number	201372968
Prior Transfer Date	Sep 28, 1995
Prior Transfer Doc	0000243785
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4178 BERDINA RD, CASTRO VALLEY, CA 94546-3537
Transaction Type	Mortgage
Record Updated	Apr 5, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4178 BERDINA RD, CASTRO VALLEY, CA 94546-3537

Mortgage

Document Number	0000024248
Date	Jan 21, 2021
Instrument	2021024248

Lender

Name	ONE AMERICAN BANK
Type	Bank
Address	SAN FRANCISCO, CA 94108

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4178 BERDINA RD, CASTRO VALLEY, CA 94546-3537
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000238012
Date	Nov 20, 2019
Instrument	2019238012

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Lending Institution
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	ALAMEDA CA
Property Address	4178 BERDINA RD, CASTRO VALLEY, CA 94546-3537
Document Number	0000177279
Instrument Date	Jul 22, 2017
Transaction Type	Mortgage
Record Updated	Aug 24, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4178 BERDINA RD CASTRO VALLEY CA 945463537, CASTRO VALLEY, CA 94546-3537

Mortgage

Document Number	0000177279
Date	Aug 14, 2017
Instrument	177279

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 13, 2047

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 4178 Berdina Rd was $6,191 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		$460,192 (+0.47%) Land $137,532 Building $329,660
2025	$6,191.00 Homeowner's exemption	$458,034 Land $134,836 Building $323,198
2023	$5,938.00 Homeowner's exemption	$440,249 Land $129,600 Building $310,649	$748,890

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

Flood

FEMA maps place 4178 Berdina Rd 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

Wildfire risk around 4178 Berdina Rd 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.

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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