3404 Keystone Loop, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 3404 Keystone Loop, Discovery Bay, CA 94505 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 2003
Square Footage	2,033 sqft Living Area
Lot Size	7,800 sqft (0.179 acres)
Occupancy	Owner Occupied
Last Sale	$265,000 (2011)
Tax Bill	$5,828.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`011-421-044-6`
Alternative APN	`011-421-044`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Building Area	2,033 sqft Living Area
1st Floor	2,033 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	Cluster Style
Lot Area	7,800 sqft (0.179 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	482 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling

Location & Zoning

Street Address	3404 KEYSTONE LOOP
City	DISCOVERY BAY
State	CA
Zip	94505-2324
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	T8430 L44
Legal Subdivision	LAKESHORE 4
Legal Tract	8430
Legal Lot Number	44
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	EAST CONTRA COSTA
Census Blockgroup	3
Census Block	3003
Census Tract	304007

Owner

Source: Contra Costa County records · APN 011-421-044-6

Assessment roll updated July 14, 2026 · Last verified July 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	3404 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2324
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 20, 2011 · Amount on Record
Deed Sale	May 20, 2011 · Amount on Record
Prior Sale	Oct 30, 2003 · Amount on Record
Deed Doc Number	2011101578
Prior Transfer Date	May 16, 2011
Prior Transfer Doc	0000101577
Record Refreshed	Sep 20, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3404 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2324
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	FIDELITY TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000008882
Date	Jan 17, 2017
Instrument	2017-008882

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2047

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$346,291 (+2%) Land $39,198 Building $307,093
2025	$5,828.00 (+7.75%) Homeowner's exemption	$339,502 (+4.04%) Land $38,430 Building $301,072
2023	$5,409.00 (+1.71%) Homeowner's exemption	$326,321 Land $36,939 Building $289,382
2022	$5,318.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Moderate
500-Year Floodplain	Yes
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone A, within 500 ft

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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