4122 David St, Castro Valley, CA 94546 Property Records

Alameda County property record for 4122 David St, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,018 sqft · built 1947
Lot Size	0.208 acres (9,075 sqft)
Owner	Individual Name on Record
Last Sale	$340,000 (Mar 2003)
Tax Bill	$4,898 (2025)
Deeds & Mortgages	Mar 2022 Line of Credit Oct 2021 Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`84C-669-145`

Property Details

APN / Parcel Number

Primary APN	`84C-669-145`
Alternative APN	`084C-0669-145-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,018 sqft Living Area

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1962
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	9,075 sqft (0.208 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4122 DAVID ST
City	CASTRO VALLEY
State	CA
Zip	94546-4624
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00017 BLK: 0001 TR: 0773
Legal Subdivision	773 EDEN TOWNSHIP
Legal Tract	0773
Legal Lot Number	17
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3010
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	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Mar 15, 2022	Deed of Trust, Mortgage · Line of Credit SAN FRANCISCO FIRE CU
Oct 6, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUILD MORTGAGE CO
Apr 15, 2021	Grant Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO
May 18, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Jul 15, 2019	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Aug 17, 2017	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 25, 2003 · Amount on Record
Deed Sale	Mar 25, 2003 · Amount on Record
Prior Sale	May 31, 2002 · Amount on Record
Deed Document Number	2003165884
Last Transfer Date	Jun 10, 2004
Transfer Doc	0000390011
Record Updated	Oct 29, 2026

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Transaction Type	Mortgage
Record Updated	Mar 30, 2022
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000054159
Date	Mar 15, 2022
Instrument	2022054159

Lender

Name	SAN FRANCISCO FIRE CU
Type	Credit Union
Address	SAN FRANCISCO, CA 94118

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Mar 10, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Transaction Type	Mortgage
Record Updated	Oct 26, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000333479
Date	Oct 6, 2021
Instrument	2021333479

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 15, 2021
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Document Number	0000148841
Map Reference	MB 12 PG 38&39
Instrument Date	Apr 8, 2021
Instrument	2021148841
Transaction Type	Transfer
Record Updated	May 10, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000148842
Date	Apr 15, 2021
Instrument	2021148842

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Document Number	0000162766
Instrument Date	May 18, 2020
Transaction Type	Mortgage
Record Updated	Sep 1, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4122 DAVID ST CASTRO VALLEY CA 945464624, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000162766
Date	Jul 13, 2020
Instrument	162766

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	324 Months
Due	Jul 12, 2047

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Document Number	0000141312
Instrument Date	Jul 15, 2019
Transaction Type	Mortgage
Record Updated	Aug 13, 2019
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4122 DAVID ST CASTRO VALLEY CA 945464624, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000141312
Date	Jul 24, 2019
Instrument	141312

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 23, 2049

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4122 DAVID ST, CASTRO VALLEY, CA 94546-4624
Document Number	0000187928
Instrument Date	Aug 17, 2017
Transaction Type	Mortgage
Record Updated	Oct 2, 2017
Title Company	TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4122 DAVID ST CASTRO VALLEY CA 945464624, CASTRO VALLEY, CA 94546-4624

Mortgage

Document Number	0000187928
Date	Aug 28, 2017
Instrument	187928

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 27, 2047

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		$348,431 (-0.01%) Land $115,554 Building $239,877
2025	$4,898.00 (+4.48%) Homeowner's exemption	$348,463 (+4.04%) Land $113,288 Building $235,175
2023	$4,688.00 Homeowner's exemption	$334,934 Land $108,890 Building $226,044	$894,060

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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