IRS Official Tool
Where's My Refund
Haven't received your IRS refund yet? Click here to check on the status of it.
Required: SSN/ITIN, Filing Status, Exact Refund Amount.
Self-Service Tax Portals
Government Portals & Utilities
Use these official federal and Delaware state resources to track your returns, estimate deductions, and make secure tax payments.
Delaware Division of Revenue
Where's My Refund - DE
How about your Delaware refund? Click here your Delaware refund status.
Required: SSN and Expected Delaware Refund Amount.
Compliance Calendar
IRS Tax Calendar
Stay up to date with all of the IRS's deadlines and dues with this easy to access calendar.
Includes: Quarterly estimated taxes, payroll dues, and corporate dates.
Paycheck Analysis
IRS Withholding Calculator
Is your employer withholding an appropriate amount from your paycheck? Use this IRS Tool to help determine.
Includes: Form W-4 guidance to prevent unexpected balance dues.
Direct Tax Payments
IRS Payment Options
Need to make a payment to the IRS and don't want to write a check? Here are a few additional ways you can pay your tax bill or estimated tax payment.
Options: IRS Direct Pay, EFTPS, debit/credit cards, and payment plans.
Form 1040X Tracker
Where's My Amended Return
Did you file an amended return to correct a previously filed tax return? Click here to check on the status.
Timeline: Processing generally takes up to 16 to 20 weeks.
Annual Compliance Deadlines
Key Tax Due Dates Reference Table
Important federal and Delaware filing dates. When a statutory due date falls on a weekend or federal holiday, the deadline shifts to the following business day.
| Filing Category | Applicable Entities | Standard Due Date | Extension Due Date | Governing Agency |
|---|---|---|---|---|
| Partnership Tax Return (Form 1065) | Multi-member LLCs, General/Limited Partnerships | March 15 | September 15 | Internal Revenue Service (IRS) |
| S-Corporation Return (Form 1120-S) | Electing S-Corporations | March 15 | September 15 | Internal Revenue Service (IRS) |
| Individual Tax Return (Form 1040) | Single, Married Filing Joint/Separate, Head of Household | April 15 | October 15 | IRS & State of Delaware |
| C-Corporation Return (Form 1120) | Calendar Year C-Corporations | April 15 | October 15 | Internal Revenue Service (IRS) |
| Delaware Gross Receipts Returns | Businesses operating in Delaware | 20th of each following month / quarterly | N/A (Timely remittance mandatory) | Delaware Division of Revenue |
| Quarterly Estimated Tax (ES) | Individuals & Business owners with income not subject to withholding | Apr 15 • Jun 15 • Sep 15 • Jan 15 | N/A (Quarterly) | IRS & State Division of Revenue |
Have Questions Regarding a Tax Notice or Filing?
If your refund is delayed, you received an unexpected letter from the IRS or Delaware Division of Revenue, or you need guidance calculating estimated tax payments, our office is here to help.