557 S Q St, Livermore, CA 94550 Property Records

Alameda County property record for 557 S Q St, Livermore, CA 94550

Property Summary

Property Type	Duplex
Details	8 bd · 2 ba · 1,503 sqft · built 1948
Lot Size	0.149 acres (6,500 sqft)
Owner	2 Individual Names on File
Tax Bill	$3,715 (2025)
Flood Zone	Zone X (minimal risk)
APN	`97-78-5`

Property Details

APN / Parcel Number

Primary APN	`97-78-5`
Alternative APN	`097-0078-005-00`

Interior

Bedrooms	8 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,503 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Construction Type	Wood
Lot Area	6,500 sqft (0.149 acres)

Location & Zoning

Street Address	557 S Q ST
City	LIVERMORE
State	CA
Zip	94550-4219
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT: 00005 BLK: AR: 0097 PAGE: 0078
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	2
Census Block	2011
Census Tract	451602

Owner

Source: Alameda County records · APN 97-78-5

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	2 Individual Names on File
Mailing Address	557 S Q ST, LIVERMORE, CA 94550-4219
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Record Updated	Sep 20, 2026

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	Livermore City
Unified School District	Livermore Valley Joint Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$168,539 (-2.07%) Land $136,582 Building $38,957
2025	$3,715.00 (+5.12%) Homeowner's exemption	$172,097 (+4.04%) Land $133,904 Building $38,193
2023	$3,534.00 Homeowner's exemption	$165,415 Land $128,705 Building $36,710

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Communications, LLC. Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 451 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CALIFORNIA WATER SERVICE - LIVERMORE private · serves 60,414 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.