Mariposa County Tax Office Tax Account Lookup
You can make a payment for taxes in person or online
Use ASMT (Assessment Number) and/or APN (Assessor’s Parcel Number) to reference your payment.
*If you have delinquent taxes or you have set up a contract/pay plan you will need to call the office at (209)966-2621 for payment amounts. This lookup will not include accruing interest due*
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Effective Date: March 21, 2019