20074 Opal Ct, Castro Valley, CA 94546 Property Records

Alameda County property record for 20074 Opal Ct, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,080 sqft · built 1947
Lot Size	0.167 acres (7,280 sqft)
Owner	Individual Name on Record
Tax Bill	$3,829 (2025)
Deeds & Mortgages	Jul 2022 Mortgage Jul 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`84C-669-66`

Property Details

APN / Parcel Number

Primary APN	`84C-669-66`
Alternative APN	`084C-0669-066-00`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,080 sqft Living Area

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	7,280 sqft (0.167 acres)

Location & Zoning

Street Address	20074 OPAL CT
City	CASTRO VALLEY
State	CA
Zip	94546-4619
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00028 BLK: 0002 TR: 0807
Legal Tract	0807
Legal Lot Number	28
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3011
Census Tract	430800

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	18797 VINEYARD RD, CASTRO VALLEY, CA 94546-2037
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 26, 2022	Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jul 26, 2022	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jul 21, 2022
Transfer Doc	0000132914
Record Updated	Sep 20, 2026

July 2022: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	ALAMEDA CA
Recording Date	Jul 26, 2022
Property Address	20074 OPAL CT, CASTRO VALLEY, CA 94546-4619
Document Number	0000132913
Map Reference	MB 19 PG 94&95
Instrument Date	Jul 25, 2022
Instrument	2022132913
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18797 VINEYARD RD, CASTRO VALLEY, CA 94546-2037

Mortgage

Document Number	0000132915
Date	Jul 26, 2022
Instrument	2022132915

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2052

July 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jul 26, 2022
Property Address	20074 OPAL CT, CASTRO VALLEY, CA 94546-4619
Document Number	0000132914
Map Reference	MB 19 PG 94&95
Instrument Date	Jul 25, 2022
Instrument	2022132914
Transaction Type	Transfer
Record Updated	May 30, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC 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	18797 VINEYARD RD, CASTRO VALLEY, CA 94546-2037

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		$255,888 (+2%) Land $171,057 Building $84,831
2025	$3,829.00 (+4.7%)	$250,872 (+4.04%) Land $167,704 Building $83,168
2023	$3,657.00	$241,131 Land $161,192 Building $79,939	$880,920

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

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	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 777 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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