4212 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4212 Comet Cir, Union City, CA 94587

Property Summary

Property TypeTownhouse
Details2 bd · 1 ba · 856 sqft · built 1972
Lot Size0.038 acres (1,656 sqft)
OwnerIndividual Name on File
Tax Bill$3,180 (2025)
Deeds & MortgagesJan 2022 Mortgage
Jul 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN483-102-17

Property Details

APN / Parcel Number

Primary APN483-102-17
Alternative APN
  • 483-0102-017-00

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
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4212 COMET CIR
CityUNION CITY
StateCA
Zip94587-4026
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Local Zoning CodePUD
Legal DescriptionLOT: 00085 BLK: TR: 3307
Legal SubdivisionTRACT 3307 IN THE CITY OF UNION CITY
Legal Tract3307
Legal Lot Number85
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1011
Census Tract440306

Owner

4212 Comet Cir, a townhouse, is owned and occupied by an individual who acquired it in July 2019.

Source: Alameda County records, as of August 5, 2026

Owner of RecordIndividual Name on File
Mailing Address4212 COMET CIR, UNION CITY, CA 94587-4026
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jan 27, 2022Deed of Trust, Mortgage · Conventional Mortgage
ROCKET MORTGAGE LLC
Jul 26, 2019Quit Claim Deed, Transfer · Conventional Mortgage
KEYPOINT CU

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateJul 25, 2019
Transfer Doc0000144032
Record UpdatedSep 20, 2026

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4212 COMET CIR, UNION CITY, CA 94587-4026
Transaction TypeMortgage
Record UpdatedFeb 18, 2022
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address4212 COMET CIR, UNION CITY, CA 94587-4026

Mortgage

Document Number0000018298
DateJan 27, 2022
Instrument2022018298
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueFeb 1, 2052

July 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateJul 26, 2019
Property Address4212 COMET CIR, UNION CITY, CA 94587-4026
Document Number0000144032
Instrument DateJul 25, 2019
Instrument144032
Transaction TypeTransfer
Record UpdatedAug 16, 2019
Title CompanySTEWART TITLE, STEWART TITLE/CA

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4212 COMET CIR UNION CITY CA 945874026, UNION CITY, CA 94587-4026

Mortgage

Document Number144033
DateJul 26, 2019
Instrument144033
Lender
NameKEYPOINT CU
TypeCredit Union
AddressSANTA CLARA, CA 95051
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJul 25, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 4212 Comet Cir was $3,180.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityUnion City
Unified School DistrictNew Haven Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$189,381 (+2%) Land $37,876 Building $151,505
2025$3,180.00$185,668 Land $37,133 Building $148,535
2023$3,428.00$178,460 Land $35,692 Building $142,768$558,270

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 4212 Comet Cir in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies2 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

Wildfire risk around 4212 Comet Cir is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 94% of the US · lower than 96% of California
Wildfire LikelihoodUnder 0.01% 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 SystemALAMEDA COUNTY WATER DISTRICT
serves 344,000 people · EPA ID CA0110001
Water SourceSurface water
Last State InspectionNov 2025
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 976 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
RobinsonHSS
Fixed Wireless
1,000 / 1,000
Tekify Fiber & Wireless
Fixed Wireless
580 / 125
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL
100 / 20

May also be available: Sail Internet, Verizon.

Nearby Properties on Comet Cir

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