West Virginia Business State Tax Extension I C Corporations Filing Guide

CIT-120EXT | West Virginia Extension Corporation Net Income Tax Return  ·  C Corporations  ·  Business Filing Guide

• West Virginia C Corporations are subject to state corporate income tax requirements, administered by the West Virginia Department of Revenue. West Virginia grants an automatic extension tied to an approved IRS extension, making the process simple for businesses that have already filed IRS Form 7004.
• Extension Period & Extended Deadline
• West Virginia automatically grants an extension to file, provided you have obtained an approved federal extension from the IRS by filing IRS Form 7004. With a valid IRS extension, the West Virginia extended deadline becomes October 15, 2026. No separate state extension form is required—the federal extension serves as your West Virginia extension.

Use the West Virginia | Online Tax Extension Payment to pay electronically. For mail-in payments, use CIT-120EXT | West Virginia Extension Corporation Net Income Tax Return and send to: West Virginia State Tax Department Tax Account Administration Division P.O. Box 1202 Charleston, WV 25324-1202

• File IRS Form 7004 with the IRS to secure your federal extension, which West Virginia automatically honors.
• Use the state online payment portal for fast, convenient electronic payment.
• Set a reminder to file your completed West Virginia C Corporations return by October 15, 2026.

• West Virginia’s business tax extension is straightforward once your federal extension is approved. Pay any balance due on time and file your C Corporations return by October 15, 2026.
• Quick Reference Table
• State Abbreviation
• WV
• State Name
• West Virginia
• Business Entity Type
• C Corporations
• Extension Status
• Approved with Federal
• Extended Due Date
• October 15, 2026
• Other Information
• West Virginia grants your business an automatic 6-month extension provided you have obtained an approved IRS extension. The extension is NOT an extension to pay any taxes you may have due. Tax payments are due by the original return due date.
• Online Payment
• West Virginia | Online Tax Extension Payment
• Payment Voucher Form
• CIT-120EXT | West Virginia Extension Corporation Net Income Tax Return
• State Payment Agency
• West Virginia Department of Revenue
• Mailing Address with Payment
• West Virginia State Tax Department Tax Account Administration Division P.O. Box 1202 Charleston, WV 25324-1202

Business tax returns are complex—a licensed CPA or Enrolled Agent can maximize deductions, ensure accurate calculations, and handle filing on your behalf. Here's how working with a TaxPro typically goes:

1. 1Get matched with a verified U.S.-based CPA or Enrolled Agent
2. 2Upload your business documents via secure drag-and-drop
3. 3Review and approve your return with upfront, transparent fees
4. 4Your TaxPro files your West Virginia return by October 15, 2026

Quick Reference Table