643 Sonoma Ct, Livermore, CA 94550 Property Records

Alameda County property record for 643 Sonoma Ct, Livermore, CA 94550

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,560 sqft · built 1962
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$600,000 (Jun 2014)
Tax Bill	$9,440 (2025)
Deeds & Mortgages	Apr 2021 Line of Credit Feb 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`99-308-65`

Property Details

APN / Parcel Number

Primary APN	`99-308-65`
Alternative APN	`099-0308-065-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,560 sqft Living Area

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1963
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,000 sqft (0.138 acres)

Location & Zoning

Street Address	643 SONOMA CT
City	LIVERMORE
State	CA
Zip	94550-5343
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00041 BLK: TR: 2264
Legal Subdivision	2264 LIVERMORE
Legal Tract	2264
Legal Lot Number	41
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	2
Census Block	2004
Census Tract	451701

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	643 SONOMA CT, LIVERMORE, CA 94550-5343
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Apr 6, 2021	Deed of Trust, Mortgage · Line of Credit UMPQUA BANK
Feb 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Nov 15, 2017	Deed of Trust, Mortgage · Line of Credit UMPQUA BK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 10, 2014 · Amount on Record
Deed Sale	Jun 10, 2014 · Amount on Record
Deed Document Number	2014139006
Prior Transfer Date	May 15, 2007
Prior Transfer Doc	0000197200
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	643 SONOMA CT, LIVERMORE, CA 94550-5343
Transaction Type	Mortgage
Record Updated	Apr 28, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	643 SONOMA CT, LIVERMORE, CA 94550-5343

Mortgage

Document Number	0000137589
Date	Apr 6, 2021
Instrument	2021137589

Lender

Name	UMPQUA BANK
Type	Bank
Address	WALNUT CREEK, CA 94596

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	643 SONOMA CT, LIVERMORE, CA 94550-5343
Transaction Type	Mortgage
Record Updated	Apr 1, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	643 SONOMA CT, LIVERMORE, CA 94550-5343

Mortgage

Document Number	0000082467
Date	Feb 26, 2021
Instrument	2021082467

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 1, 2051

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	643 SONOMA CT, LIVERMORE, CA 94550-5343
Document Number	0000255909
Instrument Date	Nov 15, 2017
Transaction Type	Mortgage
Record Updated	Jan 3, 2018
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	643 SONOMA CT LIVERMORE CA 945505343, LIVERMORE, CA 94550-5343

Mortgage

Document Number	0000255909
Date	Nov 20, 2017
Instrument	255909

Lender

Name	UMPQUA BK
Type	Bank
Address	WALNUT CREEK, CA 94596

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Livermore City
Unified School District	Livermore Valley Joint Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$743,191 (+1.05%) Land $225,057 Building $525,134
2025	$9,440.00 (+3.58%) Homeowner's exemption	$735,485 (+4.04%) Land $220,645 Building $514,840
2023	$9,114.00 Homeowner's exemption	$706,931 Land $212,079 Building $494,852	$1,086,750

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Not rated no burnable land 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	CALIFORNIA WATER SERVICE - LIVERMORE private · serves 60,414 people · EPA ID CA0110003
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	Dec 2024
Also Mapped Here	CITY OF LIVERMORE
Lead	8 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 764 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

Nearby Properties on Sonoma Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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