2024 Maryland State Tax Deadlines
Maryland Individual Income Tax Filing deadlines and extensions for 2024
If you are a resident or have been involved in significant business operations within Maryland, you might be required to file Maryland State Taxes. We look at the most important tax deadlines and tax extensions for Maryland in 2024.
Maryland Business Tax Deadlines for 2024
C Corporation
Maryland C Corporation Tax Deadlines for 2024
- You must file & pay Corporate Income Taxes in Maryland by April 15, 2025.
- File Online through the Maryland Business Express portal.
- File by Mail must be postmarked by the due date.
- Form 500 – Maryland Corporation Income Tax Return.
Extension to File Taxes in Maryland for 2024
- You must send payment for taxes in Maryland for the fiscal year 2024 by April 15, 2025.
- The Extension Deadline is November 15, 2025, to file your Maryland corporate income tax return.
- Maryland automatically grants a 6-month extension on filing corporate income tax returns. This means you do not need to file for an extension in Maryland.
- This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Pass-Throughs
Maryland S Corporation & Partnership Tax Deadlines for 2024
- You must file in Maryland by April 15, 2025.
- File Online through the Maryland Business Express portal.
- File by Mail must be postmarked by the due date.
- Form 510 – S-Corporation Income Tax Return
- Form 510C – Composite Pass-Through Entity Income Tax Return
Extension to File S Corporation & Partnership Taxes in Maryland for 2024
- You must send a payment for taxes in Maryland for the fiscal year 2024 by April 15, 2025.
- The Extension Deadline is November 15, 2025, to file your Maryland S Corporation & Partnership income tax return.
- Maryland automatically grants a 6-month extension on filing pass-through entity tax returns. This means you do not need to file for an extension in Maryland.
- This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Maryland Individual Tax Deadlines for 2024
Estimated Tax Deadline for Maryland 2024
- Estimated tax payments are made:some text
- April 15, 2024
- June 17, 2024
- September 16, 2024
- January 15, 2025
- See Form 502D for the amount to pay with each voucher.
Individual Tax Deadline for Maryland 2024
- You must file & pay Individual Income Taxes in Maryland by April 15, 2025.
- File Online through Maryland's iFile system.
- File by Mail must be postmarked by the due date.
- Applicable forms:some text
- Form 502 – Resident Income Tax Return
- Form 505 – Nonresident Income Tax Return
Extension to File Taxes in Maryland for 2024
- You must send payment for taxes in Maryland for the fiscal year 2024 by April 15, 2025.
- The Extension Deadline is October 15, 2025, to file your Maryland Individual Income tax return.
- Maryland automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Maryland.
- This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Sources
- Maryland State Government Individual Filing Information
- Maryland State Government Business Tax Due Date
- Maryland Tax Forms and Instructions: Maryland Department of Revenue
The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
Looking for a different year?
