Maryland Estimated Tax Payment Due Dates 2024 In Maryland. You must send payment for taxes in maryland for the fiscal year 2024 by april 15, 2025. If you file electronically and pay by check or money order, your payment is due by april 15, however, if you file electronically by the april 15 deadline and choose to pay.
The extension deadline is october 15, 2025, to file your maryland individual. If you file electronically and pay by check or money order, your payment is due by april 15, however, if you file electronically by the april 15 deadline and choose to pay.