Mark Your Calendar: State Tax Filing 2023 Deadlines

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The year 2022 may have just begun, but it’s never too early to start planning for the upcoming tax season. Whether you’re an individual taxpayer or a business owner, it’s important to be aware of your state’s tax filing deadlines well in advance to avoid any potential penalties or fines. In this article, we’ll guide you through some key points and dates related to state tax filing deadlines in 2023.

Mark Your Calendar: State Tax Filing 2023 Deadlines

Why are State Tax Filing Deadlines Important?

State tax filing deadlines determine the due date by which all taxpayers must submit their income taxes along with any other relevant documentation. These deadlines are set by each individual state and can vary depending on various factors such as type of taxpayer (individual vs. business), type of income earned, amount of taxable income, etc.

Failing to meet the deadline can result in various penalties including late fees, interest charges on unpaid taxes,and even legal action against non-compliant taxpayers.

Important Dates for State Tax Filing Deadlines

Here is a list of important dates that you should mark on your calendar:

  • January 1st: Official start date for many states’ tax seasons
    • Some states like Pennsylvania have already started accepting returns from January 1st onwards
  • April 15th: Federal Income Tax Return Deadline (unless an extension is granted)
    • Several states also align their deadline with the federal government such as:
    • Colorado
    • Kentucky
    • Massachusetts
      while others do not and prioritize earlier filings like New Jersey and Oregon both due around April first week

Note that some states may offer extensions beyond these initial standardized deadlines based upon certain circumstances.However ,it does require submitting formal applications before relevant authority within adequate time periods.

It’s worth noting that there may be variations within those cutoffs depending on what kind of entity you are ,and the amount or type of income you have .

Keeping Track Of Important Dates

With so many dates to keep in mind, it’s easy for taxpayers to get overwhelmed. To avoid missing any important deadlines, it is advisable to create a calendar schedule with detailed timeframes and also accounts for any additional extensions that may be relevant.This ensures adequate time to prepare relevant documentation and other requirements.

Several digital tools such as Google Calendar can be leveraged which allow alerts set beforehand before the due date.There are state revenue service-affiliated software or third party solutions like TurboTax, H&R Block etc available too .

This helps minimize stress associated with taxes season by making keeping track more seamless and structured.

Tips For Smooth State Tax Filing

Here are some tips that can help make state tax filing smoother :

  • Be organized: Keep accurate records of all your income sources.
  • Understand Your Forms : Stay informed on forms like W-2s ,1099s.
    • from clients if freelancer
    • employer if working full-time job
  • If possible try E-filing instead of traditional paper-based submissions Especially valuable during ongoing uncertainties related Covid Pandemic .
  • Look up potential deductions eligible : Many states offer various types of incentives including credits based on specific investments made.Therefore it’s worth cross-checking prior filing deadline.

By being aware these nuances in advance combined with proper execution should contribute towards smooth experience overall concerning upcoming tax season .Remember: Mark your calendars and plan well ahead!


In conclusion, filing state taxes by their respective deadlines is essential for staying compliant under tax regulations. By marking important dates early on a calendae file,maintaining accurate bookkeeping records, double-checking all documents,and exploring deductions where applicable,you could save both money and time .Investing bit extra pre-planning will pay off in the long run while avoiding costly penalties associated non-compliance.


When is the deadline for filing state taxes in 2023?

The exact deadline for filing state taxes can vary depending on the state where you live or work. However, typically, the deadline to file your income tax return is April 15th of each year. In some states such as Maine and Massachusetts, taxpayers have until April 17th to file their returns in 2023.

Can I request an extension for filing my state tax return?

Yes, many states allow taxpayers to request a six-month extension for filing their income tax returns by submitting Form D-410P or similar forms before the original due date of the return. Keep in mind that this extension only applies to filing your return and not paying any owed taxes; interest may accrue on unpaid balances during this time.

Are there penalties for late payment or failure to pay my state taxes on time?

Yes, there are penalties levied by most states if you fail to pay your owed taxes by the due date or don’t file properly without obtaining an extension when required. Penalties range from interest accrued on outstanding balances, late fees charged as a percentage of overdue amounts owed such as .5% per month (or fraction thereof) up to a maximum of 25 percent), collection actions like wage garnishment/levies/liens/payment plan defaults among others