IMPORTANT DATES:
APRIL 15: National due date to file a 2024 tax return or request an extension and pay tax owed. • OCTOBER 15: Due date to file for those requesting an extension on their 2024 tax return.
APRIL 15: National due date to file a 2024 tax return or request an extension and pay tax owed. • OCTOBER 15: Due date to file for those requesting an extension on their 2024 tax return.
APRIL 15: National due date to file a 2023 tax return or request an extension and pay tax owed.
OCTOBER 15: Due date to file for those requesting an extension on their 2023 tax return.
Thank you for choosing Sederburg & Associates to prepare your Tax Returns. The knowledge and experience of our Accounting Associates allows us to take great pride in the services we offer. Our staff prides itself in doing everything possible to put your mind at ease during this stressful time. We hope that we’ve accomplished this goal and can continue to fulfill your needs.
Please call us when you are considering financial decisions that may impact your tax returns—such as: starting new businesses or withdrawing IRA Funds, etc. Remember any time you need further assistance; we are here year-round with Tax Accountants on staff to answer your questions, complete returns from years past, and/or amend them. We are very much looking forward to seeing you again next year. Thank you for trusting us with your business.
January 27 – April 1
Walk-in Tuesdays with the owner, Anna and Walk-in Wednesdays with the tax manager, Doug – Individual returns (limit one). Businesses, please call for an appointment.
Our Wentzville office is permanently closed as of 10/16/2025
Regular Hours: Monday-Thursday 9AM- 5PM, Friday 9AM – 12PM
Tax Season (Jan. 27 – April 15) Hours: Monday-Friday 8AM – 7PM, Saturday 9AM -5PM, Sunday 9AM – 2PM
3023 North Saint Peters Parkway
St. Peters, MO 63376
Phone: 636-928-1040 • Fax: 636-441-1040
2434 Highway K
O’Fallon, MO 63368
Phone: 636-928-1040 • Fax: 636-978-9711
(shared office with State Farm Insurance)