Information on how to file business and fiduciary income taxes with the city of Detroit. Learn how to pay your income taxes.You had to select to file Detroit and go through the information. See Which city tax returns can I do in the TurboTax state program? Visit the Detroit city tax office in person. Obtain tax forms and assistance from staff. A PDFfillable copy can be found here. After filling it out, download it to your computer, then attach it here. Detroit tax clearance. Most taxpayers may request that their income tax refund be directly deposited into a U.S. financial account of their choice.