4201 Gemini Dr, Union City, CA 94587 Property Records

Alameda County property record for 4201 Gemini Dr, Union City, CA 94587

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,588 sqft · built 1978
Lot Size	0.126 acres (5,477 sqft)
Owner	2 Individual Names on File
Last Sale	$938,000 (Aug 2019)
Tax Bill	$13,882 (2025)
Deeds & Mortgages	Aug 2019 Sale & Mortgage May 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`483-102-178`

Property Details

APN / Parcel Number

Primary APN	`483-102-178`
Alternative APN	`483-0102-178-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,588 sqft Living Area

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1979
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,477 sqft (0.126 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4201 GEMINI DR
City	UNION CITY
State	CA
Zip	94587-4057
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00018 BLK: TR: 3874
Legal Tract	3874
Legal Lot Number	18
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	1
Census Block	1004
Census Tract	440306

Owner

4201 Gemini Dr is owned and occupied by two individuals who bought it in August 2019.

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

Owner of Record	2 Individual Names on File
Mailing Address	4201 GEMINI DR, UNION CITY, CA 94587-4057
Occupancy	Owner Occupied
Owner Type	Individual

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

Date	Document
Aug 28, 2019	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
May 2, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 28, 2019 · Amount on File
Deed Sale	Aug 28, 2019 · Amount on File
Prior Sale	Jan 13, 2014 · Amount on File
Deed Document Number	2019169057
Prior Transfer Date	Apr 25, 2019
Prior Transfer Doc	0000081246
Record Updated	Oct 29, 2026

August 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 28, 2019
Property Address	4201 GEMINI DR, UNION CITY, CA 94587-4057
Document Number	0000169057
Map Reference	MB 100 PG 31
Instrument Date	Aug 23, 2019
Instrument	2019169057
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	4201 GEMINI DR, UNION CITY, CA 94587-4057

Mortgage

Document Number	0000169058
Date	Aug 28, 2019
Instrument	2019169058

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2049

May 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 2, 2019
Property Address	4201 GEMINI DR, UNION CITY, CA 94587-4057
Document Number	0000081246
Instrument Date	Apr 25, 2019
Instrument	81246
Transaction Type	Transfer
Record Updated	May 20, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4201 GEMINI DR UNION CITY CA 945874057, UNION CITY, CA 94587-4057

Tax Assessment & Valuation

The 2025 property tax bill for 4201 Gemini Dr was $13,882.

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,046,338 (+2%) Land $313,901 Building $732,437
2025	$13,882.00	$1,025,824 Land $307,747 Building $718,077
2023	$13,638.00	$985,997 Land $295,799 Building $690,198	$1,016,550

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

Flood

FEMA maps place 4201 Gemini Dr 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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 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 4201 Gemini Dr 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 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 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 System	ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001
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, 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 712 locations within half a mile, as of December 31, 2025

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

May also be available: GeoLinks, Unwired, Verizon.

Nearby Properties on Gemini Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures