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4431 Gem Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 4431 Gem Ave, Castro Valley, CA 94546 · Last verified October 2025

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1969
Square Footage1,273 sqft Living Area
Lot Size5,000 sqft (0.114 acres)
OccupancyOwner Occupied
Last Sale$670,000 (2017)
Tax Bill$9,962.00 (2025)

Property Details

APN / Parcel Number

Primary APN84C-1064-61
Alternative APN
  • 084C-1064-061-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,273 sqft Living Area
Stories1 Stories

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1969
Architectural StyleOther Style
Construction TypeWood Construction
Lot Area5,000 sqft (0.114 acres)
Parking Spaces1 Parking Spaces

Location & Zoning

Street Address4431 GEM AVE
CityCASTRO VALLEY
StateCA
Zip94546-4740
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTRACT 979 BLK 2 LOT 18
JurisdictionALAMEDA CA
Minor Civil DivisionHAYWARD
Census Blockgroup3
Census Block3003
Census Tract430800

Owner

Source: Alameda County records · APN 84C-1064-61

Assessment roll updated July 1, 2025 · Last verified October 2025

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

Owner of RecordIndividual Name on File
Co-ownerVerified Secondary Owner
Mailing Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Oct 16, 2020Intrafamily Transfer, Transfer · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Mar 10, 2017Grant Deed, Transfer · Conventional Mortgage
WELLS FARGO BANK NA
Feb 16, 2017Quit Claim Deed, Transfer
Quitclaim Document

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 10, 2017 · Amount on Record
Deed SaleMar 10, 2017 · Amount on Record
Prior SaleMar 10, 2017 · Amount on Record
Deed Doc Number0000059256
Last Transfer DateOct 16, 2020
Transfer Doc0000275673
Record RefreshedJun 08, 2026

October 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateOct 16, 2020
Property Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
Document Number0000275673
Map ReferenceMB 30 PG 50
Instrument DateJul 20, 2020
Instrument2020275673
Transaction TypeTransfer
Record UpdatedAug 19, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property (Marital Community) with Rights of Survivorship
Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
InvestorPossibly a Property Investor

Mortgage

Document Number0000275674
DateOct 16, 2020
Instrument2020275674
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term298 Months
DueAug 01, 2045

March 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateMar 10, 2017
Property Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
Document Number0000059256
Map ReferenceMB30 PG50
Instrument DateMar 06, 2017
Instrument2017059256
Transaction TypeTransfer
Record UpdatedAug 19, 2021
Title CompanyLAWYERS TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
InvestorPossibly a Property Investor

Mortgage

Document Number0000059257
DateMar 10, 2017
Instrument2017059257
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2047

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateFeb 16, 2017
Property Address4431 GEM AVE, CASTRO VALLEY, CA 94546-4740
Document Number0000043455
Instrument DateJan 09, 2017
Instrument43455
Transaction TypeTransfer
Record UpdatedMar 02, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4431 GEM AVE CASTRO VALLEY CA 945464740, CASTRO VALLEY, CA 94546-4740

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025

Property Jurisdictions

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

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2025$9,962.00 (+3.94%) Homeowner's exemption$777,574 (+4.04%) Land $233,272 Building $544,302
2023$9,584.00 Homeowner's exemption$747,384 Land $224,215 Building $523,169

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