Contra Costa County property record for 6120 Seneca Cir, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 4,011 sqft · built 2005 |
| Lot Size | 0.15 acres (6,532 sqft) |
| Owner | Company Name on Record |
| Last Sale | $375,000 (Jul 2009) |
| Tax Bill | $7,480 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 011-550-055-5 |
| Primary APN | 011-550-055-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 4,011 sqft Living Area |
| 1st Floor Area | 1,984 sqft |
| 2nd Floor Area | 2,027 sqft |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Cluster |
| Lot Area | 6,532 sqft (0.15 acres) |
| View / Lot | Lake |
| Garage Type | Attached |
| Garage Area | 438 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 6120 SENECA CIR |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-2632 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T8579 L55 |
| Legal Tract | 8579 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1045 |
| Census Tract | 304006 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 515 BURLINGAME AVE, CAPITOLA, CA 95010-3307 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 24, 2009 · Amount on Record |
| Deed Sale | Jul 24, 2009 · Amount on Record |
| Prior Sale | May 8, 2009 · Amount on Record |
| Deed Document Number | 2009176619 |
| Prior Transfer Date | Jul 13, 2009 |
| Prior Transfer Doc | 0000176620 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $493,722 (+2%) Land $59,239 Building $434,483 | |
| 2025 | $7,480.00 (+7.07%) | $484,042 (+4.04%) Land $58,078 Building $425,964 |
| 2023 | $6,986.00 (+1.67%) | $465,248 Land $55,824 Building $409,424 |
| 2022 | $6,871.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 66% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 17 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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