5131 James Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 5131 James Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,300 sqft · built 1975
Lot Size	0.131 acres (5,700 sqft)
Owner	Company Name on File
Tax Bill	$5,617 (2025)
Flood Zone	Zone X (minimal risk)
APN	`84C-1001-39`

Property Details

APN / Parcel Number

Primary APN	`84C-1001-39`
Alternative APN	`084C-1001-039-00`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,300 sqft Living Area

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1988
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,700 sqft (0.131 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5131 JAMES AVE
City	CASTRO VALLEY
State	CA
Zip	94546-3745
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00007 BLK: 0002 TR: 3592
Legal Subdivision	EDEN TOWNSHIP
Legal Tract	3592
Legal Block	2
Legal Lot Number	7
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1011
Census Tract	430200

Owner

Source: Alameda County assessment roll, APN 84C-1001-39, as of August 5, 2026 · Last verified August 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 File
Mailing Address	5131 JAMES AVE, CASTRO VALLEY, CA 94546-3745
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Jul 16, 2012
Transfer Doc	0000228366
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Alameda County assessment roll as of August 5, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$410,583 (+0.29%) Land $116,552 Building $301,031
2025	$5,617.00 (+4.35%) Homeowner's exemption	$409,396 (+4.04%) Land $114,267 Building $295,129
2023	$5,383.00 Homeowner's exemption	$393,500 Land $109,830 Building $283,670	$1,335,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Alameda County (06001C), as of May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 93% of the US · lower than 96% of California
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, 103 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: California Internet, Etheric Communications, LLC., Sonic Telecom, Unwired.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0110005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.