Antioch property tax: where it goes
A Antioch house pays 1.118% of its taxable value in property tax, plus flat charges on the same bill. For a house at $446,201 of value before exemptions with the homeowners' exemption, that's about $5,617 a year.
Tax is levied on net assessed value as of January 1 (assessed value less exemptions); the 1% countywide tax plus the Antioch USD, community college, BART and East Bay Regional Park District rates on the bill.
Who taxes this house
| Taxing agency | Rate | On $446,201 |
|---|---|---|
| Countywide 1% tax (Prop 13) | 1% | $4,392 |
| Antioch Unified School District bonds (schools) | 0.0843% | $370 |
| Contra Costa Community College District bonds (schools) | 0.0152% | $67 |
| BART (incl. 2016 bond) | 0.0163% | $72 |
| East Bay Regional Park District | 0.0018% | $8 |
| Delta Diablo sewer service charge | flat | $557 |
| Antioch landscape assessment (varies by zone) | flat | $82 |
| County stormwater charge (FED STORMWATER A-1) | flat | $25 |
| SF Bay Restoration Authority parcel tax (Measure AA) | flat | $12 |
| Emergency medical services charge (EMERGENCY MED B) | flat | $10 |
| Delta Diablo street sweeping charge | flat | $9 |
| East Bay regional trails assessment | flat | $5 |
| Mosquito & vector control | flat | $5 |
| Contra Costa Water District land levy (CC WTR LEVY LAND) | flat | $3 |
| Total | 1.118% | $5,617 |
2026-27 tax year, Contra Costa County (Antioch tax rate area 01135). Exemptions applied: Homeowners' exemption ($7,000).
Ways to pay less
- Seniors, blind or disabled: postpone property taxes. The State Controller's Property Tax Postponement program lets eligible homeowners postpone payment of current-year property taxes on their primary residence. How: Go to www.ptp.sco.ca.gov, call (800) 952-5661 or email postponement@sco.ca.gov.
Dates
| When | What |
|---|---|
| Nov 1 (in 9 days) | First property tax installment due; pay by Dec 10, 2026 to avoid a 10% late-payment penalty. |
| Nov 30, 2026 (in 38 days) | Last day of Contra Costa County's 2026 assessment appeal filing period (opened July 2). |
| Feb 15 | Last day for a first-time homeowners' exemption claim to get the full exemption for that year. |
Pay or manage it
Sources
- County assessment parcel data
- www.boe.ca.gov homeowners_exemption.htm
- Contra Costa County Treasurer-Tax Collector: property tax bills
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.