509 Rincon Ave, Livermore, CA 94551 Property Records

Alameda County property record for 509 Rincon Ave, Livermore, CA 94551

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,392 sqft · built 1954
Lot Size	0.137 acres (5,950 sqft)
Owner	2 Individual Names on Record
Last Sale	$700,000 (Jun 2024)
Tax Bill	$9,276 (2025)
Flood Zone	Zone X (minimal risk)
APN	`98-350-30`

Property Details

APN / Parcel Number

Primary APN	`98-350-30`
Alternative APN	`098-0350-030-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,392 sqft Living Area

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1955
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	5,950 sqft (0.137 acres)

Location & Zoning

Street Address	509 RINCON AVE
City	LIVERMORE
State	CA
Zip	94551-2679
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00030 BLK: AR: 0098 PAGE: 0350
Legal Subdivision	MOUNTAIN VIEW
Legal Lot Number	15
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	1
Census Block	1000
Census Tract	451404

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	509 RINCON AVE, LIVERMORE, CA 94551-2679
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 24, 2024 · Amount on Record
Deed Sale	Jun 24, 2024 · Amount on Record
Deed Document Number	202476176
Prior Transfer Date	Mar 14, 2024
Prior Transfer Doc	0000038687
Record Updated	Sep 20, 2026

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		$728,280 (+2%) Land $291,312 Building $436,968
2025	$9,276.00 (+461.5%)	$714,000 (+1,200.38%) Land $285,600 Building $428,400
2023	$1,652.00 Homeowner's exemption	$54,907 Land $15,317 Building $39,590	$900,090

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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 744 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100