4145 David St, Castro Valley, CA 94546 Property Records

Alameda County property record for 4145 David St, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 986 sqft · built 1947
Lot Size	0.208 acres (9,075 sqft)
Owner	Company Name on Record
Tax Bill	$1,760 (2025)
Deeds & Mortgages	Jan 2021 Transfer Jan 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`84C-660-11`

Property Details

APN / Parcel Number

Primary APN	`84C-660-11`
Alternative APN	`084C-0660-011-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	986 sqft Living Area

Exterior

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

Location & Zoning

Street Address	4145 DAVID ST
City	CASTRO VALLEY
State	CA
Zip	94546-4623
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00011 BLK: 0002 TR: 0773
Legal Subdivision	TRACT 773
Legal Tract	0773
Legal Lot Number	11
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3008
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	Company Name on Record
Mailing Address	4145 DAVID ST, CASTRO VALLEY, CA 94546-4623
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 8, 2021	Quit Claim Deed, Transfer NOT AVAILABLE
Jan 8, 2021	Affidavit of Death, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Sep 20, 2026

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jan 8, 2021
Property Address	4145 DAVID ST, CASTRO VALLEY, CA 94546-4623
Document Number	0000010517
Instrument Date	Dec 18, 2020
Instrument	10517
Transaction Type	Transfer
Record Updated	Mar 22, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	280 STONE CRST SANTA CRUZ CA 950601542, SANTA CRUZ, CA 95060-1542

January 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Jan 8, 2021
Property Address	4145 DAVID ST, CASTRO VALLEY, CA 94546-4623
Document Number	0000010516
Instrument Date	Dec 18, 2020
Instrument	10516
Transaction Type	Transfer
Record Updated	Mar 24, 2021
Title Company	NOT AVAILABLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	280 STONE CRST SCOTTS VALLEY CA 950601542, SCOTTS VALLEY, CA 95060-1542

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		$77,024 (+2%) Land $39,512 Building $37,512
2025	$1,760.00 (+3.1%)	$75,514 (+4.04%) Land $38,738 Building $36,776
2024	$1,707.00 (+3.08%)
2023	$1,656.00	$72,582 Land $37,234 Building $35,348	$965,610

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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