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

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Division of
Revenue

Personal Income Tax Contact Information



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

Holly Reynolds – (302) 752-3757

Christina Rojas  – (302) 577-8629

Kathy Revel – (302) 752-3760

Campbell Hay – (302) 577-8670