Bulk filing for Withholding Tax returns & payments as well as bulk filing of Withholding Annual Reconciliation returns is available on the DE Taxpayer portal: tax.delaware.gov; Please use the Delaware Taxpayer Portal for all your Delaware Personal Tax filing needs.

Dover, DE 19901 (302) 744-1085. Latitude/Longitude 39.1576791, -75.5122757. See in Google Maps

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Office of Tax Processing. The Office of Tax Processing is committed to provide quality services to all taxpayers by supplying the forms needed to meet your compliance requirements, by creating a level playing field where noncompliance is detected and by enforcing the law in a fair and consistent manner.

NOTE: In order to reduce printing and mailing costs, the Delaware Division of Revenue will no longer mail paper booklets to Withholding taxpayers who file their Delaware State Withholding tax electronically. File or pay Withholding Tax online using https://tax.delaware.gov/ or …

DE-W4 – Delaware W4 Withholding Allowance Cert & Computation Worksheet – Resident / Non-Resident. W-4DE – Withholding Exemption Certificate for Military Spouse. Withholding Request for Change Form. Wholesale Exemption. Form 373 Wholesale Exemption Certificate. Miscellaneous Forms.

ACH – Automatic Payment Plan Agreement Form; CISB – Collection Information Statement – Business; CISP – Collection Information Statement – Personal; CISI – Example For Completing A CIS Form; IRS 2848 – Power Of Attorney And Declaration Of Representative for IRS Representation; IRS 2848 – Instructions for Power Of Attorney And Declaration Of Representative for IRS Representation

Extension Request Form: Mail to State of Delaware, Division of Revenue, PO BOX 830, Wilmington, DE 19899-0830. Extension Request Voucher (PIT-EXT) – Do Not Cut Form!

Carvel State Office Building 820 North French Street Wilmington, DE 19801 Phone: (302) 577-8200 Fax: (302) 577-8202

Wilmington DE 19899-8711. 2D Barcode Returns Zero. P.O. Box 8711 Wilmington DE 19899-8711 . Additional Personal Income Tax Mailing Addresses: Bill Payments. P.O. Box 830 Wilmington DE 19899-830. Confree Tax Protests. P.O. Box 8714 Wilmington DE 19899-8714. Data Review. P.O. Box 8755 Wilmington DE 19899-8755 . Electronic Filer Payment