| February 1 |
Second installment is due. |
| April 10 |
Second installment payment deadline, another 10% penalty and $20 cost will be added after 5 p.m. if not received. |
| April 15 |
Deadline for filing personal state and federal tax returns |
| May |
Treasurer/Tax Collector mails delinquent notices for any unpaid, regular current taxes. |
| June 30 |
End of County fiscal year |
| July 1 |
1.5% penalty per month will be added to unpaid tax amounts, plus a $15 redemption fee on all delinquent accounts transferred to the delinquent tax roll. Mariposa County fiscal year begins. |
| July 31 |
Unsecured tax bills are mailed. |
| August 31 |
Unsecured tax bills due. A 10% penalty is added after 5 p.m. |
| September 1 |
Unsecured tax is delinquent. |
| October |
Treasurer/Tax Collector mail out original secured property tax bills. |
| November 1 |
Payment in full or first installment is due for secured property tax bills. Accrued interest begins at 1.5% monthly for unsecured taxes due. |
| December 10 |
First installment secured property tax payment deadline, a 10% penalty is added after 5 p.m. if not received. |