Contra Costa County property record for 5432 Chamberlain St, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,404 sqft · built 2020 |
| Lot Size | 0.279 acres (12,132 sqft) |
| Owner | Individual Name on File |
| Last Sale | $838,000 (Feb 2021) |
| Tax Bill | $11,876 (2025) |
| Deeds & Mortgages | Apr 2024 Line of Credit Oct 2020 Construction Loan + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-310-084-1 |
| Primary APN | 056-310-084-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,404 sqft Living Area |
| 1st Floor Area | 1,568 sqft |
| 2nd Floor Area | 1,836 sqft |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 12,132 sqft (0.279 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5432 CHAMBERLAIN ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8719 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7938 L24 |
| Legal Subdivision | QUAIL COVE SUB 7938 |
| Legal Tract | 7938 |
| 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 056-310-084-1
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 05, 2024 | Deed of Trust, Mortgage · Line of Credit PATELCO CU |
| Oct 22, 2020 | Deed of Trust, Mortgage · Construction Mortgage FIVE STAR BANK |
| Feb 04, 2021 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Feb 04, 2021 | Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 04, 2021 · Amount on Record |
| Deed Sale | Feb 04, 2021 · Amount on Record |
| Deed Document Number | 202134557 |
| Prior Transfer Date | Nov 02, 2020 |
| Prior Transfer Doc | 0000034556 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Transaction Type | Mortgage |
| Record Updated | Apr 17, 2024 |
| Title Company | ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Document Number | 0000031413 |
|---|---|
| Date | Apr 05, 2024 |
| Instrument | 2024-031413 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 301 Months |
| Due | Apr 30, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 9.25% |
| Change Frequency | Monthly |
| Index | Prime Rate |
| Max Rate | 17% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000247245 |
|---|---|
| Date | Oct 22, 2020 |
| Instrument | 2020-247245 |
| Name | FIVE STAR BANK |
|---|---|
| Type | Bank |
| Address | RANCHO CORDOVA, CA 95670 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 04, 2021 |
| Property Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Document Number | 0000034557 |
| Map Reference | MB 541 PG 48 |
| Instrument Date | Feb 01, 2021 |
| Instrument | 2021-034557 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 04, 2021 |
| Property Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
| Document Number | 0000034556 |
| Map Reference | MB 541 PG 48 |
| Instrument Date | Nov 02, 2020 |
| Instrument | 2021-034556 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5432 CHAMBERLAIN ST, ANTIOCH, CA 94531-8719 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| 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 |
|---|---|---|
| 2026 | $925,107 (+2%) Land $253,937 Building $671,170 | |
| 2025 | $11,876.00 (+3.72%) Homeowner's exemption | $906,968 (+4.04%) Land $248,958 Building $658,010 |
| 2023 | $11,450.00 (+1.8%) Homeowner's exemption | $871,751 Land $239,292 Building $632,459 |
| 2022 | $11,248.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| 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 as of December 31, 2025 · Last verified October 2026
| 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 |
Based on FCC filings for 782 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF ANTIOCH serves 116,781 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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