Contra Costa County property record for 3460 Keystone Loop, Discovery Bay, CA 94505 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2003 |
| Square Footage | 2,562 sqft Living Area |
| Lot Size | 7,500 sqft (0.172 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $725,000 (2024) |
| Tax Bill | $10,131.00 (2025) |
| Primary APN | 011-421-036-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,562 sqft Living Area |
| 1st Floor | 2,562 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster Style |
| Lot Area | 7,500 sqft (0.172 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 495 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 3460 KEYSTONE LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2319 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8430 L36 |
| Legal Subdivision | SUBDIVISION 8430 |
| Legal Tract | 8430 |
| Legal Lot Number | 36 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | EAST CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 304007 |
Source: Contra Costa County records · APN 011-421-036-2
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 | 3460 KEYSTONE LOOP, DISCOVERY BAY, CA 94505-2319 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 10, 2024 · Amount on Record |
| Deed Sale | Oct 10, 2024 · Amount on Record |
| Prior Sale | Apr 15, 2004 · Amount on Record |
| Deed Doc Number | 202499810 |
| Prior Transfer Date | Jan 31, 2014 |
| Prior Transfer Doc | 0000020705 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $739,398 (+2%) Land $204,000 Building $535,398 | |
| 2025 | $10,131.00 (+26.75%) | $724,900 (+28.53%) Land $200,000 Building $524,900 |
| 2023 | $7,993.00 (+1.68%) Homeowner's exemption | $564,009 Land $150,316 Building $413,693 |
| 2022 | $7,861.00 |
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
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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.
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