312 Coronado Ct, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 312 Coronado Ct, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,613 sqft · built 2001
Lot Size	0.149 acres (6,500 sqft)
Owner	2 Individual Names on Record
Last Sale	$366,000 (Jun 2002)
Tax Bill	$8,136 (2025)
Flood Zone	Zone X (minimal risk)
APN	`011-381-020-4`

Property Details

APN / Parcel Number

Primary APN	`011-381-020-4`
Alternative APN	`011-381-020`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,613 sqft Living Area
1st Floor Area	1,247 sqft
2nd Floor Area	1,366 sqft

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2002
Lot Area	6,500 sqft (0.149 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	717 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	312 CORONADO CT
City	DISCOVERY BAY
State	CA
Zip	94505-1819
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T8166 L20
Legal Tract	8166
Legal Lot Number	20
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1009
Census Tract	304007

Owner

Source: Contra Costa County records, as of July 14, 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	312 CORONADO CT, DISCOVERY BAY, CA 94505-1819
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 7, 2002 · Amount on Record
Deed Sale	Jun 7, 2002 · Amount on Record
Deed Document Number	2002202326
Last Transfer Date	Jul 8, 2013
Transfer Doc	0000193857
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Elementary School District	Byron Union Elementary School District (KG - 08)
Secondary School District	Liberty Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$551,332 (+2%) Land $203,412 Building $347,920
2025	$8,136.00 (+6.9%)	$540,523 (+4.04%) Land $199,424 Building $341,099
2023	$7,611.00 (+1.67%)	$519,535 Land $191,681 Building $327,854
2022	$7,486.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.05% 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	TOWN OF DISCOVERY BAY serves 16,790 people · EPA ID CA0710009
Water Source	Groundwater
Last State Inspection	Mar 2023
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 277 locations within half a mile, as of December 31, 2025

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