Contra Costa County property record for 3121 Milner Rd, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,666 sqft · built 1971 |
| Lot Size | 0.183 acres (7,980 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $336,000 (Feb 2016) |
| Tax Bill | $5,022 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Dec 2025 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-282-007-5 |
| Primary APN | 071-282-007-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,666 sqft Living Area |
| 1st Floor Area | 1,666 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1977 |
| Lot Area | 7,980 sqft (0.183 acres) |
| Garage Type | Attached |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 3121 MILNER RD |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4043 LOT 415 EX MR |
| Legal Subdivision | 4043 |
| Legal Tract | 4043 |
| Legal Lot Number | 415 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 307101 |
3121 Milner Rd is owned and occupied by two individuals who acquired it in April 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 22, 2026 | Deed of Trust, Mortgage · Conventional Mortgage PATELCO CREDIT UNION |
| Dec 2, 2025 | Transfer on Death Deed, Transfer |
| Dec 2, 2025 | Transfer on Death Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 24, 2016 · Amount on File |
| Deed Sale | Feb 24, 2016 · Amount on File |
| Prior Sale | May 5, 2009 · Amount on File |
| Deed Document Number | 201631317 |
| Last Transfer Date | Apr 22, 2016 |
| Transfer Doc | 0000076512 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 22, 2026 |
| Property Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Document Number | 0000041318 |
| Instrument Date | Apr 16, 2026 |
| Instrument | 202641318 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants, 205 |
| Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Document Number | 0000041318, |
|---|---|
| Date | Apr 22, 2026 |
| Instrument | 202641318 |
| Name | PATELCO CREDIT UNION |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | May 1, 2036 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.22% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 2, 2025 |
| Property Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Document Number | 0000134448 |
| Map Reference | MB 132 PG 5 |
| Instrument Date | Nov 20, 2025 |
| Instrument | 2025- 134448 |
| Transaction Type | Transfer |
| Record Updated | Dec 11, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 2, 2025 |
| Property Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
| Document Number | 0000134449 |
| Map Reference | MB 132 PG 5 |
| Instrument Date | Nov 20, 2025 |
| Instrument | 2025- 134449 |
| Transaction Type | Transfer |
| Record Updated | Dec 11, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3121 MILNER RD, ANTIOCH, CA 94509-5509 |
The 2025 property tax bill for 3121 Milner Rd was $5,022.
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 | $405,702 (+2%) Land $120,744 Building $284,958 | |
| 2025 | $5,022.00 | $397,748 Land $118,377 Building $279,371 |
| 2023 | $4,772.00 (+1.58%) | $382,305 Land $113,781 Building $268,524 |
| 2022 | $4,698.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3121 Milner Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 3121 Milner Rd 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 582 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 |
May also be available: AT&T.
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