4808 Rocklin Dr, Union City, CA 94587 Property Records

Alameda County property record for 4808 Rocklin Dr, Union City, CA 94587

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,749 sqft · built 1980
Lot Size	0.135 acres (5,879 sqft)
Owner	2 Individual Names on Record
Last Sale	$830,000 (Apr 2015)
Tax Bill	$13,412 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`543-423-58`

Property Details

APN / Parcel Number

Primary APN	`543-423-58`
Alternative APN	`543-0423-058-00`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,749 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1982
Architectural Style	L-Shape
Exterior Material	Wood
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	5,879 sqft (0.135 acres)
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	4808 ROCKLIN DR
City	UNION CITY
State	CA
Zip	94587-5511
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LOT: 00064 BLK: TR: 4452
Legal Subdivision	TRACT 4452
Legal Tract	4452
Legal Lot Number	64
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	2
Census Block	2000
Census Tract	441501

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	4808 ROCKLIN DR, UNION CITY, CA 94587-5511
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
Jul 2, 2020	Deed of Trust, Mortgage · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 24, 2015 · Amount on Record
Deed Sale	Apr 24, 2015 · Amount on Record
Prior Sale	Mar 31, 1994 · Amount on Record
Deed Document Number	2015107271
Last Transfer Date	May 7, 2015
Transfer Doc	0000179123
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4808 ROCKLIN DR, UNION CITY, CA 94587-5511
Transaction Type	Mortgage
Record Updated	Apr 14, 2021
Title Company	TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4808 ROCKLIN DR, UNION CITY, CA 94587-5511

Mortgage

Document Number	0000113754
Date	Mar 22, 2021
Instrument	2021113754

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4808 ROCKLIN DR, UNION CITY, CA 94587-5511
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000154729
Date	Jul 2, 2020
Instrument	2020154729

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2050

Tax Assessment & Valuation

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		$1,017,447 (+2%) Land $305,234 Building $712,213
2025	$13,412.00 (+1.85%)	$997,501 (+4.04%) Land $299,250 Building $698,251
2023	$13,168.00	$958,774 Land $287,632 Building $671,142	$1,550,340

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

Flood

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

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within 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 799 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	570 / 120
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Sail Internet Fixed Wireless	200 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL	100 / 20

May also be available: GeoLinks.

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