City of Ontario Income Tax Department

Feb 17, 2026

Access the City of Ontario Income Tax Department here.

The City of Ontario Income Tax Department is a state agency in Ohio responsible for overseeing and enforcing income tax regulations within the city limits of Ontario. This department ensures that residents and businesses comply with state tax laws and regulations to maintain financial transparency and accountability.

Agency Accounts

Ontario Withholding Tax Account

The Ontario Withholding Tax Account allows you to set up and manage the following information:

Ontario Withholding Account ID : Enter your EIN if you don't have an account number

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