Contra Costa County property record for 3271 Madrone St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,058 sqft · built 1977 |
| Lot Size | 0.074 acres (3,237 sqft) |
| Owner | Individual Name on File |
| Last Sale | $300,000 (Nov 2016) |
| Tax Bill | $4,462 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-422-022-4 |
| Primary APN | 076-422-022-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,058 sqft Living Area |
| 1st Floor Area | 1,058 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 3,237 sqft (0.074 acres) |
| Garage Type | Attached |
| Garage Area | 439 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 3271 MADRONE ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5213 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4252 LOT 140 EX MR & FEE BLW 500FT |
| Legal Subdivision | SUBDIVISION # 4252 |
| Legal Tract | 4252 |
| Legal Lot Number | 140 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 307205 |
3271 Madrone St is owned and occupied by an individual who bought it in November 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3271 MADRONE ST, ANTIOCH, CA 94509-5213 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Nov 16, 2016 · Amount on File |
| Deed Sale | Nov 16, 2016 · Amount on File |
| Prior Sale | Oct 26, 2009 · Amount on File |
| Deed Document Number | 2016248761 |
| Prior Transfer Date | Oct 25, 2016 |
| Prior Transfer Doc | 0000248762 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3271 Madrone St was $4,462.
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 | $355,132 (+2%) Land $195,443 Building $159,689 | |
| 2025 | $4,462.00 | $348,169 Land $191,611 Building $156,558 |
| 2023 | $4,235.00 (+1.53%) | $334,651 Land $184,171 Building $150,480 |
| 2022 | $4,171.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3271 Madrone St in Zone X, an area of minimal flood risk.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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.
Wildfire risk around 3271 Madrone St is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 | 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 342 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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