4246 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4246 Comet Cir, Union City, CA 94587

Property Summary

Property Type	Townhouse
Details	4 bd · 2 ba · 1,342 sqft · built 1972
Lot Size	0.033 acres (1,474 sqft)
Owner	Owner Name on File
Tax Bill	$3,078 (2025)
Flood Zone	Zone X (minimal risk)
APN	`483-102-2`

Property Details

APN / Parcel Number

Primary APN	`483-102-2`
Alternative APN	`483-0102-002-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,342 sqft Living Area

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Architectural Style	Other
Construction Type	Wood
Lot Area	1,474 sqft (0.033 acres)

Location & Zoning

Street Address	4246 COMET CIR
City	UNION CITY
State	CA
Zip	94587-4026
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	TRACT 3307 LOT 100
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	1
Census Block	1011
Census Tract	440306

Owner

Source: Alameda County records · APN 483-102-2

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 Record	Owner Name on File
Mailing Address	4512 NILAND ST, UNION CITY, CA 94587-5402

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Prior Sale	Aug 20, 2002 · Amount on Record
Last Transfer Date	Jun 29, 2004
Transfer Doc	0000295786
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Union City
Unified School District	New Haven Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$3,078.00 (-7.65%)	$177,644 (+4.04%) Land $45,185 Building $132,459
2023	$3,333.00	$170,746 Land $43,430 Building $127,316

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Robinson Hardware and Software Solutions Fixed Wireless	1,000 / 1,000
Tekify Fixed Wireless	580 / 125
Etheric Communications, LLC. Fixed Wireless	250 / 100
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: California Internet, Unwired, Verizon.

Based on FCC filings for 712 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	ALAMEDA COUNTY WATER DISTRICT serves 344,000 people
Water Source	Surface water
Last State Inspection	Nov 2025
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.