Have you considered online assistance?
Business Tax Assistance:
Business Tax customers are encouraged to use the MyTaxMissouri portal at https://mytax.mo.gov
for a self-service experience. The service allows you
to register a portal account to file and track returns
and payments for:
- Sales Tax;
- Use Tax;
- Employer Withholding Tax; and
- Tire and Lead-Acid Battery Fee
Tax Information Office
The Department’s Tax Assistance Offices have closed.
A Tax Information Office is now open in Jefferson City. On-site services are not available at this time, but customers can submit their payments and documents using a secure drop-box located within the office.
Individual income tax preparation services are not available at this location, but may be available from a volunteer program in your area.
Harry S Truman State Office Building
301 W. High St., Room 330
Jefferson City, MO 65101
Availability: 8:00 a.m. - 4:45 p.m.
The Tax Information office is closed on state holidays.