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Account Information
Parcel ID
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Zip Code (of your service address)
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Profile Information
User Name (6-50 characters long)
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User name must be 6-50 characters long.
Email Address
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Email address must be of the form 'name.1-a@website.com'.
Profile Password
Password
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Does not meet minimum requirements!
Confirm Password
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The password and confirmation password do not match.
9 characters
1 number
1 lowercase
1 uppercase
1 special character
Payment Portal Support
For help logging in, making a payment, or using an automated service
(855) 270-3592
customerservice
@firstbilling.com
Customer Service Hours
Mon - Fri:
8AM - 6PM EST
Account Support
For utility-related problems or questions about your invoices
Account Questions?
Treasurer@MiamiCountyOhio.gov
Customer Service Hours
Monday - Friday: 8:00AM - 4:00PM EST
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