4245 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4245 Comet Cir, Union City, CA 94587 · Last verified August 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Townhouse
Bedrooms4 Beds
Bathrooms2.5 Baths
Architecture StyleCustom Design
Year BuiltBuilt 1973
Square Footage1,583 sqft Living Area
Lot Size1,610 sqft (0.037 acres)
OccupancyOwner Occupied
Tax Bill$3,258.00 (2025)

Property Details

APN / Parcel Number

Primary APN483-102-82
Alternative APN
  • 483-0102-082-00

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms6 Rooms
Building Area1,583 sqft Living Area
Stories2 Stories

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1973
Architectural StyleCustom Design Style
Exterior MaterialStucco Exterior
Construction TypeWood Construction
Roof MaterialComposition Shingle Roof
Lot Area1,610 sqft (0.037 acres)

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating
Heating FuelGas Heating Fuel
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address4245 COMET CIR
CityUNION CITY
StateCA
Zip94587-4025
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionLOT: 00102 BLK: TR: 3307
Legal Tract3307
Legal Lot Number102
JurisdictionALAMEDA CA
Minor Civil DivisionFREMONT
Census Blockgroup1
Census Block1013
Census Tract440306

Owner

Source: Alameda County records · APN 483-102-82

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 RecordIndividual Name on File
Mailing Address4245 COMET CIR, UNION CITY, CA 94587-4025
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record RefreshedSep 20, 2026

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4245 COMET CIR, UNION CITY, CA 94587-4025
Transaction TypeMortgage
Record UpdatedApr 06, 2021
Title CompanyTITLE 365, TITLE365

Transferred To (Grantee/Buyer)

NameVerified Name
Address4245 COMET CIR, UNION CITY, CA 94587-4025

Mortgage

Document Number0000104739
DateMar 15, 2021
Instrument2021104739
Lender
NameNATIONSTAR MORTGAGE LLC
TypeMortgage Company
AddressCOPPELL, TX 75019
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueMar 01, 2051

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$195,887 (-1.52%) Land $60,866 Building $142,021
2025$3,258.00 (-6.89%) Homeowner's exemption$198,910 (+4.04%) Land $59,673 Building $139,237
2023$3,499.00 Homeowner's exemption$191,186 Land $57,356 Building $133,830$788,040

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