How to pay Colusa County, CA property tax
✓ Verified — Last verified October 25, 2026
Payment details from the official sources for Colusa County. Check the tax year and parcel on your bill before submitting a payment.
Pay on the official siteNot tax or legal advice; confirm with your county.
Payment methods and fees
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Published installment dates
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Tax year 2026. Dates retain the year published by the source.
Official offices
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Treasurer-Tax Collector
Sources for these instructions
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Read the source quotations (16)
https://www.countyofcolusaca.gov/721/Tax-Payments
Online: Please note you can pay up to five (5) assessments per transaction - Credit/Debit Card, E-check
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https://www.countyofcolusaca.gov/721/Tax-Payments
Electronic check - $1.50 Debit card - $3.95 Credit card - 2.45% ($2 minimum)
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https://www.boe.ca.gov/proptaxes/calendar.htm
§ 2605 Rev. & Tax. Code | November 1 | Property owners | First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.
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https://www.countyofcolusaca.gov/721/Tax-Payments
1st installment is due on November 1st, 2026, and will become delinquent if not paid by 5:00 p.m. on December 10th, 2026; thereafter a 10% penalty will be added.
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https://www.boe.ca.gov/proptaxes/calendar.htm
§ 2606 Rev. & Tax. Code | February 1 | Property owners | Second installment real property taxes due and payable.
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https://www.countyofcolusaca.gov/721/Tax-Payments
2nd installment is due on February 1st, 2027, and will become delinquent if not paid by 5:00 p.m. on April 10th, 2027; thereafter a 10% penalty and a $20 cost will be added.
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https://www.boe.ca.gov/proptaxes/calendar.htm
If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
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https://www.boe.ca.gov/proptaxes/calendar.htm
§§ 2618 and 2705 Rev. & Tax. Code | April 10 | Property owners | Second installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m., or close of business day, whichever is later. If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
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https://www.countyofcolusaca.gov/721/Tax-Payments
1st installment is due on November 1st, 2026, and will become delinquent if not paid by 5:00 p.m. on December 10th, 2026; thereafter a 10% penalty will be added. 2nd installment is due on February 1st, 2027, and will become delinquent if not paid by 5:00 p.m. on April 10th, 2027; thereafter a 10% penalty and a $20 cost will be added.
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https://www.countyofcolusaca.gov/90/Appeals
When a property's value increases more than 2%, the assessor will notify the owner of the new value, in writing, prior to the issuance of a tax bill.
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https://www.countyofcolusaca.gov/721/Tax-Payments
Fiscal Year 2026/2027 Secured Property Taxes
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Continue with your property
Common questions
Where can I pay Colusa County property tax?
Official payment portal: https://common2.mptsweb.com/MBC/Colusa/tax/search. Online credit/debit card, Online e-check
Updated , from cited verification dates. Individual sources may have earlier checks.