4280 Comet Cir, Union City, CA 94587 Property Records

Alameda County property record for 4280 Comet Cir, Union City, CA 94587 · Last verified August 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Townhouse
Bedrooms	4 Beds
Bathrooms	2.5 Baths
Architecture Style	Custom Design
Year Built	Built 1973
Square Footage	1,583 sqft Living Area
Lot Size	1,656 sqft (0.038 acres)
Occupancy	Owner Occupied
Tax Bill	$2,759.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`483-102-55`
Alternative APN	`483-0102-055-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	7 Rooms
Building Area	1,583 sqft Living Area
Stories	2 Stories

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Architectural Style	Custom Design Style
Exterior Material	Stucco Exterior
Construction Type	Wood Construction
Roof Material	Composition Shingle Roof
Lot Area	1,656 sqft (0.038 acres)

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Street Address	4280 COMET CIR
City	UNION CITY
State	CA
Zip	94587-4026
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	LOT: 00008 BLK: TR: 3307
Legal Tract	3307
Jurisdiction	ALAMEDA CA
Minor Civil Division	FREMONT
Census Blockgroup	1
Census Block	1011
Census Tract	440306

Owner

Source: Alameda County records · APN 483-102-55

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	Individual Name on File
Mailing Address	4280 COMET CIR, UNION CITY, CA 94587-4026
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Jun 23, 2017
Transfer Doc	0000143308
Record Refreshed	Sep 20, 2026

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jun 30, 2017
Property Address	4280 COMET CIR, UNION CITY, CA 94587-4026
Document Number	0000143308
Instrument Date	Jun 23, 2017
Instrument	143308
Transaction Type	Transfer
Record Updated	Jul 24, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	7635 SHADY HOLLOW DR NEWARK CA 945601035, NEWARK, CA 94560-1035

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		$155,385 (+2%) Land $31,077 Building $124,308
2025	$2,759.00 (-9.03%)	$152,338 (+4.04%) Land $30,467 Building $121,871
2023	$3,033.00	$146,423 Land $29,284 Building $117,139	$763,740