Contra Costa County property record for 2204 A St, Antioch, CA 94509
| Property Type | Medical Building |
|---|---|
| Details | 3,080 sqft · built 1976 |
| Lot Size | 0.291 acres (12,690 sqft) |
| Owner | Company Name on Record |
| Last Sale | $600,000 (May 2018) |
| Tax Bill | $8,476 (2025) |
| Deeds & Mortgages | Jan 2024 Line of Credit Aug 2021 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-274-008-1 |
| Primary APN | 067-274-008-1 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 3,080 sqft Gross Area |
| 1st Floor Area | 3,080 sqft |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 12,690 sqft (0.291 acres) |
| Street Address | 2204 A ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3718 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | ROSSI SUBN POR LOT 89 |
| Legal Subdivision | ROSSI SUB |
| Legal Lot Number | 89 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 307102 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 9 GARDINER CT, ORINDA, CA 94563-1412 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Jan 23, 2024 | Grant Deed, Transfer · Line of Credit FIVE STAR BANK |
| Aug 9, 2021 | Intrafamily Transfer, Transfer |
| Aug 9, 2021 | Intrafamily Transfer, Transfer |
| May 8, 2018 | Grant Deed, Transfer · Line of Credit BANK OF AMERICA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 8, 2018 · Amount on Record |
| Deed Sale | May 8, 2018 · Amount on Record |
| Deed Document Number | 201872089 |
| Last Transfer Date | May 11, 2021 |
| Transfer Doc | 0000220992 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 23, 2024 |
| Property Address | 2204 A ST, ANTIOCH, CA 94509-3718 |
| Document Number | 0000007093 |
| Map Reference | MB 21 PG 595 |
| Instrument Date | Jan 3, 2024 |
| Instrument | 2024-007093 |
| Transaction Type | Transfer |
| Record Updated | Feb 1, 2024 |
| 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 | 9 GARDINER CT, ORINDA, CA 94563-1412 |
| Document Number | 0000007094 |
|---|---|
| Date | Jan 23, 2024 |
| Instrument | 2024-007094 |
| Name | FIVE STAR BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 9, 2021 |
| Property Address | 2204 A ST, ANTIOCH, CA 94509-3718 |
| Document Number | 0000220993 |
| Map Reference | MB 21 PG 595 |
| Instrument Date | May 11, 2021 |
| Instrument | 2021-220993 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 2256 STAR LILLY CT, BRENTWOOD, CA 94513-2283 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 9, 2021 |
| Property Address | 2204 A ST, ANTIOCH, CA 94509-3718 |
| Document Number | 0000220992 |
| Map Reference | MB 21 PG 595 |
| Instrument Date | May 11, 2021 |
| Instrument | 2021-220992 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 2256 STAR LILLY CT, BRENTWOOD, CA 94513-2283 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 8, 2018 |
| Property Address | 2204 A ST, ANTIOCH, CA 94509-3718 |
| Document Number | 0000072089 |
| Instrument Date | Apr 12, 2018 |
| Instrument | 72089 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $660.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 2256 STAR LILLY CT BRENTWOOD CA 945132283, BRENTWOOD, CA 94513-2283 |
| Document Number | 72090 |
|---|---|
| Date | May 8, 2018 |
| Instrument | 72090 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | FARMINGTON, CT 06032 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $712,674 (+2%) Land $249,696 Building $462,978 | |
| 2025 | $8,476.00 (+7.14%) | $698,700 (+6.48%) Land $244,800 Building $453,900 |
| 2023 | $7,911.00 (+1.63%) | $656,184 Land $218,727 Building $437,457 |
| 2022 | $7,784.00 |
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 | Not rated no burnable land 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 754 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures