Maricopa County Online Filing Portal
The Maricopa County Assessor's Office online portal allows homeowners to file their petition and view settlement offers.
How to Access the Portal
- Find your account number and PIN on your assessment notice
- Visit the Maricopa County Assessor's Office portal at https://services.mcassessor.maricopa.gov/s/
- Create an account or log in using your account number
- File your petition and upload evidence
- Monitor for informal settlement offers