3221 Keith Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 3221 Keith Ave, Castro Valley, CA 94546

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 2,698 sqft · built 1951
Lot Size0.208 acres (9,050 sqft)
OwnerCompany Name on Record
Last Sale$103,636 (Sep 1996)
Tax Bill$7,417 (2025)
Deeds & MortgagesMay 2017 Transfer
Flood ZoneZone X (minimal risk)
APN84B-510-11-4

Property Details

APN / Parcel Number

Primary APN84B-510-11-4
Alternative APN
  • 084B-0510-011-04

Interior

Bedrooms5 Beds
Full Baths4 Baths
Total Rooms11 Rooms
Stories1 Story
Building Area2,698 sqft Living Area

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1970
Architectural StyleL-Shape
Construction TypeWood
Lot Area9,050 sqft (0.208 acres)

Location & Zoning

Street Address3221 KEITH AVE
CityCASTRO VALLEY
StateCA
Zip94546-2925
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00004 BLK: 0011 AR: 084B PAGE: 0510
Legal SubdivisionA S JONES RANCH
Legal Lot NumberE&F
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group4
Census Block4000
Census Tract430600

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 RecordCompany Name on Record
Mailing Address3221 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 4, 1996 · Amount on Record
Deed SaleSep 4, 1996 · Amount on Record
Deed Document Number1996220150
Last Transfer DateApr 25, 2017
Transfer Doc0000112613
Record UpdatedSep 20, 2026

May 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateMay 23, 2017
Property Address3221 KEITH AVE, CASTRO VALLEY, CA 94546-2925
Document Number0000112613
Instrument DateApr 25, 2017
Instrument112613
Transaction TypeTransfer
Record UpdatedJun 20, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address3221 KEITH AVE CASTRO VALLEY CA 945462925, CASTRO VALLEY, CA 94546-2925

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictCastro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$515,551 (+2%) Land $154,696 Building $360,855
2025$7,417.00 (+4.8%)$505,443 (+4.04%) Land $151,663 Building $353,780
2023$7,077.00$485,818 Land $145,775 Building $340,043$591,390

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies1 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 769 locations within half a mile, as of December 31, 2025

ProviderMax 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
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks, Unwired, Verizon.

Nearby Properties on Keith Ave

Nearby Streets

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