Extended individual return filing
For individuals who obtained a valid extension to file their 2025 federal return. A filing extension does not extend the time to pay.
IRS extension guidance ↗Federal & MarylandStay informed.
Stay informed.
Stay ahead of tax season.
Important dates, practical reminders, and official resources to help you plan your next step with confidence.
Sources checkedPlan ahead
Federal · Tax year 2025
Federal · Tax year 2026
Key deadline reminders.
These reminders cover standard calendar-year individual filing situations. Check the linked agency guidance for special rules, disaster relief, and deadlines that apply to your circumstances.
Fourth estimated tax installment
Standard final installment date for individuals making 2026 estimated tax payments. Special payment and early-filing rules may apply.
IRS estimated tax guidance ↗Maryland filings: State obligations are separate from federal obligations. Check current Maryland guidance or ask us to confirm your filing and payment dates.
Useful to know
Maryland · Online services
Federal · Filing reminder
Federal · Planning reminder
Updates & reminders.
Short summaries with direct links to the agencies behind the information. Source checks are dated so you know when the information was reviewed.
Maryland Tax Connect now serves individuals
The Comptroller’s portal expanded to individual taxpayers on September 1, 2026. It supports payments, refund checks, notices, and account information. Clients using a preparer can continue doing so.
Read the Comptroller’s guidance ↗An extension covers filing, not payment
If you extended your 2025 individual return, gather your remaining records now. The standard extended filing date is October 15, 2026; tax payments were generally due at the April filing deadline.
Read IRS guidance ↗Review your estimated payments
Changes in income can change the amount you should pay. Review your 2026 estimates before the standard January 15, 2027 final installment date.
Read IRS payment guidance ↗Prepare with confidence
Your tax-document checklist.
Gather the items that apply to your situation. We’ll confirm any additional records needed for your return.
- Prior-year tax return and any tax notices
- W-2s, 1099s, K-1s, and other income statements
- Business income, expenses, and bookkeeping records
- Rental income, property expenses, and investment records
- Mortgage interest, charitable gifts, and other deduction records
- Childcare, education, and health coverage documents, if applicable
- Records of estimated tax payments already made
Go to the source
Official tax resources.
IRS Newsroom
Federal announcements, filing reminders, and tax tips.
Visit IRS Newsroom ↗IRS Tax Calendar
Federal dates for individuals, businesses, and employers.
View the tax calendar ↗Maryland Tax Guidance
Comptroller tax alerts, publications, and releases.
View Maryland resources ↗General information to help you plan. Your filing dates and tax treatment depend on your circumstances. Contact Limitless Heights LLC for help applying an update to your return.
Questions about your next step?
We’ll help you understand which records, filings, and deadlines apply to you.