4187 Berdina Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 4187 Berdina Rd, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,344 sqft · built 1928
Lot Size	0.215 acres (9,350 sqft)
Owner	2 Company Names on Record
Tax Bill	$4,762 (2025)
Deeds & Mortgages	Apr 2026 Sale Jan 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84C-726-56`

Property Details

APN / Parcel Number

Primary APN	`84C-726-56`
Alternative APN	`084C-0726-056-00`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,344 sqft Living Area

Exterior

Year Built	Built 1928
Effective Year Built	Effective 1928
Architectural Style	Custom Design
Exterior Material	Wood Siding
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	9,350 sqft (0.215 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4187 BERDINA RD
City	CASTRO VALLEY
State	CA
Zip	94546-3536
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 0000A BLK: PM: 0094 PAGE: 0065
Legal Subdivision	PARCEL MAP 2077
Legal Lot Number	A
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4002
Census Tract	430800

Owner

Source: Alameda County records, as of September 22, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 8, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Jan 25, 2021	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Apr 25, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Feb 21, 2009
Transfer Doc	0000064683
Record Updated	Oct 29, 2026

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 8, 2026
Property Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536
Document Number	0000046362
Instrument Date	Mar 6, 2026
Instrument	202646362
Transaction Type	Transfer
Record Updated	Aug 27, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536
Transaction Type	Mortgage
Record Updated	Apr 5, 2021
Title Company	AMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536

Mortgage

Document Number	0000029323
Date	Jan 25, 2021
Instrument	2021029323

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Nov 1, 2050

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 25, 2018
Property Address	4187 BERDINA RD, CASTRO VALLEY, CA 94546-3536
Document Number	0000082520
Instrument Date	Apr 24, 2018
Instrument	82520
Transaction Type	Transfer
Record Updated	May 8, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	4187 BERDINA RD CASTRO VALLEY CA 945463536, CASTRO VALLEY, CA 94546-3536

Tax Assessment & Valuation

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		$343,155 (+4.02%) Land $84,771 Building $265,384
2025	$4,762.00 (+2.5%) Homeowner's exemption	$329,890 (+1.88%) Land $83,109 Building $253,781
2024	$4,646.00 (+1.98%)
2023	$4,556.00 Homeowner's exemption	$323,809 Land $79,882 Building $243,927	$741,420

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

Flood

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 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

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

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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