Contra Costa County property record for 9848 Key West Way, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,342 sqft · built 2013 |
| Lot Size | 0.138 acres (5,993 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $550,000 (Nov 2019) |
| Tax Bill | $8,528 (2025) |
| Deeds & Mortgages | Nov 2019 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 011-630-168 |
| Primary APN | 011-630-168 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,342 sqft Living Area |
| 1st Floor Area | 2,342 sqft |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Cluster |
| Lot Area | 5,993 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 426 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 9848 KEY WEST WAY |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2676 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9322 L82 |
| Legal Subdivision | LAKES/DISCOVERY BAY LAKES 10A |
| Legal Tract | 9322 |
| Legal Lot Number | 82 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1029 |
| Census Tract | 304006 |
9848 Key West Way is owned and occupied by two individuals who bought it in November 2019.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9848 KEY WEST WAY, DISCOVERY BAY, CA 94505-2676 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 26, 2019 · Amount on File |
| Deed Sale | Nov 26, 2019 · Amount on File |
| Prior Sale | Mar 27, 2014 · Amount on File |
| Deed Document Number | 2019212729 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 26, 2019 |
| Property Address | 9848 KEY WEST WAY, DISCOVERY BAY, CA 94505-2676 |
| Document Number | 0000212729 |
| Instrument Date | Nov 5, 2019 |
| Instrument | 212729 |
| Transaction Type | Transfer |
| Record Updated | Dec 9, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $605.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 9848 KEY WEST WAY DISCOVERY BAY CA 945052676, DISCOVERY BAY, CA 94505-2676 |
| Document Number | 212730 |
|---|---|
| Date | Nov 26, 2019 |
| Instrument | 212730 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Funding / Finance Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 25, 2049 |
The 2025 property tax bill for 9848 Key West Way was $8,528.
Source: Contra Costa County assessment roll, as of July 14, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $613,530 (+2%) Land $167,325 Building $446,205 | |
| 2025 | $8,528.00 | $601,501 Land $164,045 Building $437,456 |
| 2023 | $8,068.00 (+1.88%) | $578,146 Land $157,676 Building $420,470 |
| 2022 | $7,919.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9848 Key West Way in Zone X, an area of moderate flood risk.
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 |
| 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 risk around 9848 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.
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 |
| 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.
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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