9815 Key West Way, Discovery Bay, CA 94505 Property Records

Contra Costa County property record for 9815 Key West Way, Discovery Bay, CA 94505

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,869 sqft · built 2013
Lot Size	0.121 acres (5,250 sqft)
Owner	Trust Name on File
Last Sale	$640,000 (Jul 2021)
Tax Bill	$9,348 (2025)
Deeds & Mortgages	Mar 2022 Transfer Jul 2021 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`011-630-147-4`

Property Details

APN / Parcel Number

Primary APN	`011-630-147-4`
Alternative APN	`011-630-147`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,869 sqft Living Area
1st Floor Area	1,869 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2014
Architectural Style	Cluster
Lot Area	5,250 sqft (0.121 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	9815 KEY WEST WAY
City	DISCOVERY BAY
State	CA
Zip	94505-2676
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9322 L61
Legal Subdivision	SUBDIVISION 9322
Legal Tract	9322
Legal Lot Number	61
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1035
Census Tract	304006

Owner

9815 Key West Way is held in a trust since January 2022.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	Trust Name on File
Mailing Address	41043 CORNAC TER, FREMONT, CA 94539-4411
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 11, 2022	Intrafamily Transfer, Transfer
Jul 7, 2021	Grant Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 7, 2021 · Amount on File
Deed Sale	Jul 7, 2021 · Amount on File
Prior Sale	Mar 21, 2014 · Amount on File
Deed Document Number	2021191899
Last Transfer Date	Jan 29, 2022
Transfer Doc	0000044516
Record Updated	Sep 20, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 11, 2022
Property Address	9815 KEY WEST WAY, DISCOVERY BAY, CA 94505-2676
Document Number	0000044516
Map Reference	MB 515 PG 13
Instrument Date	Jan 29, 2022
Instrument	2022-044516
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	41073 PAJARO DR, FREMONT, CA 94539-4433

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 7, 2021
Property Address	9815 KEY WEST WAY, DISCOVERY BAY, CA 94505-2676
Document Number	0000191899
Map Reference	MB 515 PG 13
Instrument Date	Jun 24, 2021
Instrument	2021-191899
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1275 ZEKA DR, SAN JOSE, CA 95131-2484

Mortgage

Document Number	0000191900
Date	Jul 7, 2021
Instrument	2021-191900

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 9815 Key West Way was $9,348.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Elementary School District	Knightsen 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		$692,754 (+2%) Land $162,364 Building $530,390
2025	$9,348.00	$679,172 Land $159,181 Building $519,991
2023	$8,861.00 (+1.89%)	$652,800 Land $153,000 Building $499,800
2022	$8,697.00

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

Flood

FEMA maps place 9815 Key West Way in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 15 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	15 in force

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.

Wildfire

Wildfire risk around 9815 Key West Way is low, with a 0.03% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 63% of the US · lower than 78% of California
Wildfire Likelihood	0.03% 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 169 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	1,200 / 35
Unwired Fixed Wireless	300 / 25

May also be available: T-Mobile, Verizon.

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