Contra Costa County property record for 5604 Sunfish Ct, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,333 sqft · built 1985 |
| Lot Size | 0.238 acres (10,368 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $610,000 (Sep 2013) |
| Tax Bill | $9,971 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 004-401-024-7 |
| Primary APN | 004-401-024-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,333 sqft Living Area |
| 1st Floor Area | 1,939 sqft |
| 2nd Floor Area | 1,394 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 10,368 sqft (0.238 acres) |
| View / Lot | Waterfront |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5604 SUNFISH CT |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-9382 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T05586 L0148 B EX 3/4 MR |
| Legal Subdivision | SUBDIVISION 4486 |
| Legal Tract | 05586 |
| Legal Lot Number | 148 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 304003 |
5604 Sunfish Ct is held in a trust since October 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 268 GRAND VIEW AVE, SAN FRANCISCO, CA 94114-3152 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 10, 2013 · Amount on File |
| Deed Sale | Sep 10, 2013 · Amount on File |
| Prior Sale | Oct 27, 2000 · Amount on File |
| Deed Document Number | 2013222004 |
| Last Transfer Date | Oct 9, 2024 |
| Transfer Doc | 0000106094 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5604 Sunfish Ct was $9,971.
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 | $762,719 (+2%) Land $250,069 Building $512,650 | |
| 2025 | $9,971.00 | $747,765 Land $245,166 Building $502,599 |
| 2023 | $9,358.00 (+1.57%) | $718,731 Land $235,647 Building $483,084 |
| 2022 | $9,213.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5604 Sunfish Ct 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 AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 2 (1980–2024) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 2024 · Severe Storms And Flooding |
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 5604 Sunfish Ct is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 405 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Matrix Broadband.
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