Contra Costa County property record for 2300 Spanos St, Antioch, CA 94509
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 3,300 sqft · built 1977 |
| Lot Size | 0.192 acres (8,370 sqft) |
| Owner | Individual Name on File |
| Last Sale | $800,000 (Sep 2022) |
| Tax Bill | $11,518 (2025) |
| Deeds & Mortgages | Sep 2022 Transfer Sep 2022 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-380-011-2 |
| Primary APN | 074-380-011-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| 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 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 8,370 sqft (0.192 acres) |
| Lot Dimensions | 135 ft deep x 62 ft wide |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Evaporative |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 2300 SPANOS ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3118 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | T04910 L0138 B EX MR |
| Legal Subdivision | SUBDIVISION 4910 |
| Legal Tract | 04910 |
| Legal Lot Number | 138 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 307202 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1949 CANYON OAKS CIR, PITTSBURG, CA 94565-6475 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 16, 2022 | Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Sep 16, 2022 | Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Oct 13, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 16, 2022 · Amount on File |
| Deed Sale | Sep 16, 2022 · Amount on File |
| Deed Document Number | 2022140644 |
| Prior Transfer Date | Sep 15, 2022 |
| Prior Transfer Doc | 0000140645 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 16, 2022 |
| Property Address | 2300 SPANOS ST, ANTIOCH, CA 94509-3118 |
| Document Number | 0000140645 |
| Map Reference | MB 195 PG 15-17 |
| Instrument Date | Sep 15, 2022 |
| Instrument | 2022-140645 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 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 | 1949 CANYON OAKS CIR, PITTSBURG, CA 94565-6475 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 16, 2022 |
| Property Address | 2300 SPANOS ST, ANTIOCH, CA 94509-3118 |
| Document Number | 0000140644 |
| Map Reference | MB 195 PG 15-17 |
| Instrument Date | Sep 15, 2022 |
| Instrument | 2022-140644 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 |
|---|---|
| Address | 1949 CANYON OAKS CIR, PITTSBURG, CA 94565-6475 |
| Document Number | 0000140646 |
|---|---|
| Date | Sep 16, 2022 |
| Instrument | 2022-140646 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 13, 2021 |
| Property Address | 2300 SPANOS ST, ANTIOCH, CA 94509-3118 |
| Document Number | 0000281824 |
| Map Reference | MB 195 PG 15-17 |
| Instrument Date | Oct 5, 2021 |
| Instrument | 2021-281824 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1140 MUSTANG DR, DANVILLE, CA 94526-5146 |
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 | $848,965 (+2%) Land $212,241 Building $636,724 | |
| 2025 | $11,518.00 (+5.95%) | $832,320 (+4.04%) Land $208,080 Building $624,240 |
| 2023 | $10,871.00 (+65.57%) | $800,000 Land $200,000 Building $600,000 |
| 2022 | $6,566.00 |
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 567 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 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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