525 Stirling Ct, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 525 Stirling Ct, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,365 sqft · built 2002
Lot Size	0.124 acres (5,399 sqft)
Owner	Individual Name on Record
Last Sale	$338,000 (Jan 2003)
Tax Bill	$6,293 (2025)
Flood Zone	Zone X (minimal risk)
APN	`011-370-054-6`

Property Details

APN / Parcel Number

Primary APN	`011-370-054-6`
Alternative APN	`011-370-054`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,365 sqft Living Area
1st Floor Area	1,093 sqft
2nd Floor Area	1,272 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2003
Lot Area	5,399 sqft (0.124 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	554 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	525 STIRLING CT
City	DISCOVERY BAY
State	CA
Zip	94505-1832
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T8143 L54
Legal Tract	8143
Legal Lot Number	54
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1010
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	Individual Name on Record
Mailing Address	1427 MARIGOLD RD, LIVERMORE, CA 94551-1323
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 30, 2003 · Amount on Record
Deed Sale	Jan 30, 2003 · Amount on Record
Deed Document Number	200346075
Last Transfer Date	Jul 19, 2011
Transfer Doc	0000148402
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		$379,845 (+2%) Land $123,697 Building $256,148
2025	$6,293.00 (+7.48%)	$372,398 (+4.04%) Land $121,272 Building $251,126
2023	$5,855.00 (+1.68%)	$357,939 Land $116,564 Building $241,375
2022	$5,758.00

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