Contra Costa County property record for 5599 Trinity Lakes Ln, Antioch, CA 94531 · Last verified October 2025
| Property Type | Cluster Home |
|---|---|
| Details | 4 bd · 3 ba · 2,091 sqft · built 2021 |
| Lot Size | 0.126 acres (5,489 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $11,942 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-090-099-3 |
| Primary APN | 057-090-099-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,091 sqft Living Area |
| 1st Floor Area | 1,011 sqft |
| 2nd Floor Area | 1,080 sqft |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2022 |
| Lot Area | 5,489 sqft (0.126 acres) |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Account Number | 057-090-099-3 |
|---|---|
| Street Address | 5599 TRINITY LAKES LN |
| City | ANTIOCH |
| State | CA |
| Zip | 94531-6217 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Cluster Home |
| Legal Description | T9561 L1143 |
| Legal Tract | 9561 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 303207 |
Source: Contra Costa County records · APN 057-090-099-3
Assessment roll updated July 1, 2025 · Last verified October 2025
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 |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 5599 TRINITY LAKES LN, ANTIOCH, CA 94531-6217 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Contra Costa County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Elementary School District | Brentwood 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 |
|---|---|---|
| 2025 | $11,942.00 (+7.14%) Homeowner's exemption | $793,000 (+10.91%) Land $259,456 Building $533,544 |
| 2023 | $11,146.00 (+82.51%) Homeowner's exemption | $715,000 Land $200,000 Building $515,000 |
| 2022 | $6,107.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133032072, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Moderate above 46% of the US · above 27% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,299 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 782 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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