Residents Tax Forms & Filing Information

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As of January 1, 2025

It is MANDATORY that you provide a copy of your Federal 1040 with your Deer Park tax return.

If you don't have a copy of your Federal 1040, your Deer Park tax return will NOT be filed/completed.
(Only the first 3 pages are required unless you have a Schedule C or Schedule E).

The due date for filing is April 15th.

Landlord / Tenant Form - Landlord / Tenant Occupancy Report

2023 Tax Form and Instructions - 2023 INDIVIDUAL TAX RETURN AND INSTRUCTIONS.pdf

2022 Tax Form and Instructions - 2022 INDIVIDUAL TAX RETURN AND INSTRUCTIONS

2021Tax Form and Instructions - 2021 INDIVIDUAL TAX RETURN AND INSTRUCTIONS.pdf

2020 Tax Form and Instructions - 2020 INDIVIDUAL TAX RETURN AND INSTRUCTIONS.pdf

Click here to access Prior Year Tax Forms

E-FILE your 2023 tax return: www.mitstaxonline.com/deerpark

To make ONLINE Credit Card tax payments: CLICK HERE

To send messages/information via our secure-mail: CLICK HERE
Use this link to create a new secure email account also.

Quarterly Estimated Payment form: Quarterly Payment Form

If you need assistance with your return, here’s how we can help:

Submit your documents (W-2s, W-Gs, 1099's, Federal Form 1040, Schedule E or C) and we’ll prepare your return for you. You can mail your documents, upload them electronically to the secure email link on our website, or put them in the physical drop box at the municipal building. Be sure to include contact information with your documents so that we may call or email you with questions.

All residents now have the ability to e-file your tax return. Using the e-file link, the program walks you through entering your information and uploading your documentation. Click submit and you are done. If you owe taxes you can pay those online with our secure payment link. If this will be the first ever tax return you file with the City of Deer Park, you must first set up an account by contacting the tax office. If you have filed a return in the past, you already have an account and can access the e-file link now.

If you would like to have a staff member prepare your return while you wait, please call our office during business hours @ 513-794-8863 and schedule an appointment. Appointments are available Monday - Friday from 8:15 AM - 4:00 PM. Note: YOU MUST HAVE AN APPOINTMENT; WALK IN SERVICE IS NOT AVAILABLE.