Contra Costa County property record for 5237 Medea Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,170 sqft · built 2020 |
| Lot Size | 0.158 acres (6,897 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $579,000 (May 2021) |
| Tax Bill | $8,626 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage May 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-130-038-3 |
| Primary APN | 057-130-038-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,170 sqft Living Area |
| 1st Floor Area | 1,010 sqft |
| 2nd Floor Area | 1,160 sqft |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 6,897 sqft (0.158 acres) |
| Garage Type | Attached |
| Garage Area | 502 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5237 MEDEA WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8727 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9249 L105 |
| Legal Subdivision | AVIANO SUB 9249 PH 1 |
| Legal Tract | 9249 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2016 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5237 MEDEA WAY, ANTIOCH, CA 94531-8727 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 20, 2021 | Deed of Trust, Mortgage · Conventional Mortgage MORTGAGE SOLUTIONS FCS INC |
| May 3, 2021 | Grant Deed, Transfer · Conventional Mortgage CALIBER HOME LOANS INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 3, 2021 · Amount on Record |
| Deed Sale | May 3, 2021 · Amount on Record |
| Deed Document Number | 2021131833 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5237 MEDEA WAY, ANTIOCH, CA 94531-8727 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Name | Verified Name |
|---|---|
| Address | 5237 MEDEA WAY, ANTIOCH, CA 94531-8727 |
| Document Number | 0000341912 |
|---|---|
| Date | Dec 20, 2021 |
| Instrument | 2021-341912 |
| Name | MORTGAGE SOLUTIONS FCS INC |
|---|---|
| Type | Non-Lending Institution |
| Address | WALNUT CREEK, CA 94598 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Dec 1, 2036 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 3, 2021 |
| Property Address | 5237 MEDEA WAY, ANTIOCH, CA 94531-8727 |
| Document Number | 0000131833 |
| Map Reference | MB 542 PG 34-48 |
| Instrument Date | Apr 1, 2021 |
| Instrument | 2021-131833 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 2026 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 5237 MEDEA WAY, ANTIOCH, CA 94531-8727 |
| Document Number | 0000131834 |
|---|---|
| Date | May 3, 2021 |
| Instrument | 2021-131834 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 1, 2051 |
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 | $396,204 (+2%) Land $84,702 Building $311,502 | |
| 2025 | $8,626.00 (+5.25%) Homeowner's exemption | $388,437 (+4.04%) Land $83,042 Building $305,395 |
| 2023 | $8,196.00 (+50.63%) Homeowner's exemption | $373,355 Land $79,818 Building $293,537 |
| 2022 | $5,441.00 |
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 · 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 | 2 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 52% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 782 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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