August 23, 2018 - Mariposa County Tax Collector reminder that unsecured property taxes are due by August 31, 2018. We will accept payments postmarked or come into the Mariposa County Tax Office at the Hall of Records on 10th and Bullion by 8/31/2018.
A 10% penalty is added after 5:00 pm if not received.
Click here to pay your Mariposa County Property Tax online.