Contra Costa County property record for 2304 Spanos St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Quadplex |
|---|---|
| Details | 3,300 sqft · built 1977 |
| Lot Size | 0.192 acres (8,370 sqft) |
| Owner | Individual Name on File |
| Last Sale | $222,500 (Apr 2010) |
| Tax Bill | $5,423 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-380-012 |
| Primary APN | 074-380-012 |
|---|---|
| Alternative APN |
|
| Total Rooms | 4 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 3,300 sqft Living Area |
| 1st Floor Area | 3,300 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Quadruplex |
| Lot Area | 8,370 sqft (0.192 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 2304 SPANOS ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3117 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | T04910 L0139 B EX MR |
| Legal Tract | 04910 |
| Legal Lot Number | 139 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 307202 |
Source: Contra Costa County records · APN 074-380-012
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 | 1830 DEL RIO DR, LAFAYETTE, CA 94549-2008 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 23, 2010 · Amount on Record |
| Deed Sale | Apr 23, 2010 · Amount on Record |
| Prior Sale | Jan 07, 2005 · Amount on Record |
| Deed Document Number | 201080437 |
| Prior Transfer Date | Nov 06, 2006 |
| Prior Transfer Doc | 0000029509 |
| Record Updated | Sep 20, 2026 |
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 |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $292,674 (+2%) Land $39,491 Building $253,183 | |
| 2025 | $5,423.00 (+7.81%) | $286,936 (+4.04%) Land $38,717 Building $248,219 |
| 2023 | $5,030.00 (+1.09%) | $275,795 Land $37,214 Building $238,581 |
| 2022 | $4,976.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 567 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon, AT&T, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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