HB 177 has moved the go live for transitioning Delaware DBA registration from courts to DOR. DBA registration will move to DOR starting February 2nd, 2026. More Info
Personal Income Tax Assistance: (302) 577-8200
Business Tax Assistance: (302) 577-8205
Collections/Account Management: (302) 577-8785
Installments: (302) 577-8586
Business License Assistance: (302) 577-8778
Corporate Tax Auditors: (302) 577-8783
Corporate Tax Refund/Returns: (302) 577-8781
Gross Receipts: (302) 577-8780
Personal Income Tax Auditors: (302) 577-8994
Refund Assistance: (302) 577-8784
Withholding Tax: (302) 577-8779
Personal Income Tax Assistant – personaltax@delaware.gov
Business Tax Information – bustax@delaware.gov
Copies of Delaware Tax Forms, or Public Service Assistance – formsrequest@delaware.gov
Estimated Tax Coupons – estimated@delaware.gov
E-File Issues – REV_Mef_support@delaware.gov
Forms Development – DE_DOR_Forms@delaware.gov
Kathy Revel – (302) 752-3760
Eliott Johns – (302) 577-8262
Eliott Johns – (302) 577-8262
Lisa Long – (302) 577-8609
Christina Rojas – (302) 577-8629
Kathy Revel – (302) 752-3760
Campbell Hay – (302) 577-8670