How to pay Contra Costa County, CA property tax
✓ Verified — Last verified October 24, 2026
Payment details from the official sources for Contra Costa 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
Accepted methods
Apple Pay, Google Pay, Venmo, PayPal, Credit card, Debit card, E-check
Official source. Verified .
Published fees
Cards and digital wallets: 2.50%, $3.50 minimum. E-check has no service fee.
Official source. Verified .
Published installment dates
Tax year 2026. Dates retain the year published by the source.
Published late-payment rule
10% on the unpaid first installment; 10% plus $20 cost on the unpaid second installment.
Official source. Verified .
Official offices
Contra Costa County Treasurer-Tax Collector
Sources for these instructions
https://www.contracosta.ca.gov/10519/Taxes-In-Contra-Costa
View & Pay your Property Taxes: https://taxcolp.cccttc.us/lookup/
Verified October 24, 2026
https://www.contracosta.ca.gov/1756/Service-Fee
a Service Fee will be assessed depending on the type of payment selected: Apple Pay, Google Pay, Venmo, PayPal, credit card or debit card. The service fee for Apple Pay, Google Pay, Venmo, PayPal, credit and debit card based payments is 2.50% of the transaction amount with a minimum charge of $3.50. There is no Service Fee for payments made via E-check;
Verified October 24, 2026
https://www.contracosta.ca.gov/1756/Service-Fee
The service fee for Apple Pay, Google Pay, Venmo, PayPal, credit and debit card based payments is 2.50% of the transaction amount with a minimum charge of $3.50. There is no Service Fee for payments made via E-check;
Verified October 24, 2026
Continue with your property
Common questions
Where can I pay Contra Costa County property tax?
Official payment portal: https://taxcolp.cccttc.us/lookup/. Apple Pay, Google Pay, Venmo, PayPal, Credit card, Debit card, E-check
Updated , from cited verification dates. Individual sources may have earlier checks.