Contra Costa County property record for 5035 Longbranch Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,326 sqft · built 1992 |
| Lot Size | 0.147 acres (6,400 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $138,000 (Dec 2009) |
| Tax Bill | $2,554 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-150-087-7 |
| Primary APN | 056-150-087-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,326 sqft Living Area |
| Gross Area | 1,798 sqft |
| 1st Floor Area | 1,326 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 6,400 sqft (0.147 acres) |
| Garage Type | Attached |
| Garage Area | 472 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5035 LONGBRANCH WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8409 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7258 L143 |
| Legal Tract | 7258 |
| Legal Lot Number | 143 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 303207 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Shannon-Williamson Ranch listed 1987 · 12 contributing resources · NRIS 87000003 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | Individual Name on Record |
|---|---|
| Mailing Address | 5035 LONGBRANCH WAY, ANTIOCH, CA 94531-8409 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 8, 2009 · Amount on Record |
| Deed Sale | Dec 8, 2009 · Amount on Record |
| Prior Sale | Jun 11, 2009 · Amount on Record |
| Deed Document Number | 2009287449 |
| Prior Transfer Date | Dec 22, 2005 |
| Prior Transfer Doc | 0000008968 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $181,679 (+2%) Land $26,325 Building $155,354 | |
| 2025 | $2,554.00 (+6.86%) | $178,117 (+4.04%) Land $25,809 Building $152,308 |
| 2023 | $2,390.00 (+1.31%) | $171,202 Land $24,807 Building $146,395 |
| 2022 | $2,359.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| 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 638 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 |
| AT&T DSL | 100 / 20 |
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