4284 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4284 Comet Cir, Union City, CA 94587 · Last verified April 2026

Property Summary

Property TypeTownhouse
Details2 bd · 1 ba · 856 sqft · built 1972
Lot Size0.038 acres (1,656 sqft)
Owner2 Individual Names on File
Last Sale$675,000 (May 2022)
Tax Bill$9,789 (2025)
Deeds & MortgagesMay 2022 Sale & Mortgage
Feb 2022 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN483-102-54

Property Details

APN / Parcel Number

Primary APN483-102-54
Alternative APN
  • 483-0102-054-00

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area856 sqft Living Area

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1973
Architectural StyleCustom Design
Exterior MaterialWood Siding
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area1,656 sqft (0.038 acres)

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4284 COMET CIR
CityUNION CITY
StateCA
Zip94587-4026
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionLOT: 00009 BLK: TR: 3307
Legal Tract3307
Legal Lot Number9
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1011
Census Tract440306

Owner

Source: Alameda County records · APN 483-102-54

Assessment roll updated June 20, 2025 · Last verified April 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 Address4284 COMET CIR, UNION CITY, CA 94587-4026
OccupancyOwner Occupied
Owner TypeIndividual
VestingTenants in Common

Deeds, Mortgages & Sale History

DateDocument
May 12, 2022Grant Deed, Transfer · Conventional Mortgage
JPMORGAN CHASE BANK NA
Feb 15, 2022Grant Deed, Transfer · Commercial Mortgage
CENTER STREET LENDING CORP
Aug 31, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 12, 2022 · Amount on Record
Deed SaleMay 12, 2022 · Amount on Record
Prior SaleFeb 15, 2022 · Amount on Record
Deed Document Number202293636
Prior Transfer DateAug 11, 2020
Prior Transfer Doc0000216269
Record UpdatedJun 08, 2026

May 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateMay 12, 2022
Property Address4284 COMET CIR, UNION CITY, CA 94587-4026
Document Number0000093636
Map ReferenceMB 74 PG 5-9
Instrument DateMay 06, 2022
Instrument2022093636
Transaction TypeTransfer
Record UpdatedJun 14, 2022
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address4284 COMET CIR, UNION CITY, CA 94587-4026

Mortgage

Document Number0000093637
DateMay 12, 2022
Instrument2022093637
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 01, 2052

February 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateFeb 15, 2022
Property Address4284 COMET CIR, UNION CITY, CA 94587-4026
Document Number0000035283
Map ReferenceMB 74 PG 5-9
Instrument DateFeb 02, 2022
Instrument2022035283
Transaction TypeTransfer
Record UpdatedMar 04, 2022
Title CompanyPLACER TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1831 SUNSHINE DR, CONCORD, CA 94520-4044

Mortgage

Document Number0000035284
DateFeb 15, 2022
Instrument2022035284
Lender
NameCENTER STREET LENDING CORP
TypeMortgage Company
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

August 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateAug 31, 2020
Property Address4284 COMET CIR, UNION CITY, CA 94587-4026
Document Number0000216269
Instrument DateAug 11, 2020
Instrument216269
Transaction TypeTransfer
Record UpdatedOct 27, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3609 STATE HIGHWAY 193 LINCOLN CA 956489633, LINCOLN, CA 95648-9633

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated June 20, 2025 · Last verified April 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
2025$9,789.00 (-1.47%) Homeowner's exemption$709,310 (+3.02%) Land $214,893 Building $501,417
2024$9,935.00 (+3.19%)
2023$9,628.00 Homeowner's exemption$688,500 Land $206,550 Building $481,950$624,420

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014403061, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies2 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 712 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
Robinson Hardware and Software SolutionsFixed Wireless (unlicensed)1,000 / 1,000
TekifyFixed Wireless (unlicensed)580 / 125
Etheric Communications, LLC.Fixed Wireless (licensed-by-rule)250 / 100
AT&TFixed Wireless100 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: Verizon, Unwired, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on Comet Cir

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