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4223 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4223 Comet Cir, Union City, CA 94587 · Last verified August 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Townhouse
Bedrooms4 Beds
Bathrooms1.5 Baths
Architecture StyleCustom Design
Year BuiltBuilt 1973
Square Footage1,342 sqft Living Area
Lot Size1,474 sqft (0.034 acres)
OccupancyOwner Occupied
Tax Bill$2,856.00 (2025)

Property Details

APN / Parcel Number

Primary APN483-102-76
Alternative APN
  • 483-0102-076-00

Interior

Bedrooms4 Beds
Full Baths1.5 Baths
Partial Baths1 Partial Baths
Total Rooms6 Rooms
Building Area1,342 sqft Living Area
Stories2 Stories

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1973
Architectural StyleCustom Design Style
Exterior MaterialBlock Exterior
Construction TypeWood Construction
Lot Area1,474 sqft (0.034 acres)

Utilities and HVAC

SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address4223 COMET CIR
CityUNION CITY
StateCA
Zip94587-4025
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionLOT: 00108 BLK: TR: 3307
Legal Tract3307
Legal Lot Number108
JurisdictionALAMEDA CA
Minor Civil DivisionFREMONT
Census Blockgroup1
Census Block1013
Census Tract440306

Owner

Source: Alameda County records · APN 483-102-76

Assessment roll updated 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 Record2 Individual Names on File
Mailing Address4223 COMET CIR, UNION CITY, CA 94587-4025
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Feb 05, 2018Quit Claim Deed, Transfer
OLD REPUBLIC TITLE
Feb 06, 2018Quit Claim Deed, Transfer · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateJan 25, 2018
Transfer Doc0000028812
Record RefreshedSep 20, 2026

February 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateFeb 05, 2018
Property Address4223 COMET CIR, UNION CITY, CA 94587-4025
Document Number0000027517
Instrument DateJan 25, 2018
Instrument27517
Transaction TypeTransfer
Record UpdatedFeb 20, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

Tax$0.00
Amount AccuracyFull Value
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenant/Joint Tenant w/ Right Of Survivorship
Address4223 COMET CIR UNION CITY CA 945874025, UNION CITY, CA 94587-4025

February 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateFeb 06, 2018
Property Address4223 COMET CIR, UNION CITY, CA 94587-4025
Document Number0000028812
Instrument DateJan 25, 2018
Instrument28812
Transaction TypeTransfer
Record UpdatedFeb 20, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4223 COMET CIR UNION CITY CA 945874025, UNION CITY, CA 94587-4025

Mortgage

Document Number28813
DateFeb 06, 2018
Instrument28813
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 05, 2048

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityUnion City
Unified School DistrictNew Haven 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.

YearTax BillAssessed ValueAssessed Market Value
2026$163,216 (+2%) Land $63,732 Building $99,484
2025$2,856.00 (-8.58%)$160,016 (+4.04%) Land $62,482 Building $97,534
2023$3,124.00$153,803 Land $60,056 Building $93,747$695,070

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