4258 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4258 Comet Cir, Union City, CA 94587 · Last verified August 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Townhouse
Bedrooms	3 Beds
Bathrooms	1.5 Baths
Architecture Style	Custom Design
Year Built	Built 1972
Square Footage	1,137 sqft Living Area
Lot Size	1,449 sqft (0.033 acres)
Occupancy	Owner Occupied
Tax Bill	$1,481.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`483-102-95`
Alternative APN	`483-0102-095-00`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	5 Rooms
Building Area	1,137 sqft Living Area
Stories	2 Stories

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1972
Architectural Style	Custom Design Style
Construction Type	Wood Construction
Lot Area	1,449 sqft (0.033 acres)

Location & Zoning

Street Address	4258 COMET CIR
City	UNION CITY
State	CA
Zip	94587-4026
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	LOT: 00074 BLK: TR: 3218
Legal Subdivision	TRACT 3218
Legal Tract	3218
Legal Lot Number	74
Jurisdiction	ALAMEDA CA
Minor Civil Division	FREMONT
Census Blockgroup	1
Census Block	1011
Census Tract	440306

Owner

Source: Alameda County records · APN 483-102-95

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 Record	Company Name on File
Mailing Address	4258 COMET CIR, UNION CITY, CA 94587-4026
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Nov 02, 2019
Transfer Doc	0000241919
Record Refreshed	Sep 20, 2026

November 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 25, 2019
Property Address	4258 COMET CIR, UNION CITY, CA 94587-4026
Document Number	0000241919
Instrument Date	Nov 02, 2019
Instrument	241919
Transaction Type	Transfer
Record Updated	Jan 06, 2020
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4258 COMET CIR UNION CITY CA 945874026, UNION CITY, CA 94587-4026

Tax Assessment & Valuation

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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$52,268 (-10.05%) Land $11,253 Building $48,015
2025	$1,481.00 (-19.12%) Homeowner's exemption	$58,107 (+4.04%) Land $11,033 Building $47,074
2023	$1,831.00 Homeowner's exemption	$55,850 Land $10,604 Building $45,246	$637,740