What is the sales tax rate in Martinsburg?
The combined sales tax rate in Martinsburg, West Virginia is between 6% and 7% as of 2026. It is made up of the West Virginia statewide base rate of 6%, plus applicable Berkeley County and local district taxes. Martinsburg sits within Berkeley County, and the rate can vary slightly across ZIP codes because of special district additions (see the ZIP breakdown below).
Sales tax in West Virginia is administered by the West Virginia State Tax Department, which collects and distributes tax on behalf of the state and its local jurisdictions. The rate applies to most retail sales of tangible personal property delivered within Martinsburg.
Who needs to collect sales tax in Martinsburg, West Virginia?
Any business with sales tax nexus in West Virginia must register, collect, and remit sales tax on taxable sales delivered to Martinsburg. Nexus is established through:
- Physical presence: an office, store, warehouse, employee, or inventory located in West Virginia.
- Economic nexus: exceeding $100,000 in sales to West Virginia customers in the current or prior year.
- Marketplace facilitators: platforms such as Amazon or Etsy collect and remit on behalf of their third-party sellers.
Out-of-state (remote) sellers that cross West Virginia's economic nexus threshold must register with the West Virginia State Tax Department before continuing to sell into the state.
How do you register for a sales tax permit in Martinsburg?
To collect sales tax in Martinsburg, you must register for a sales tax permit with the West Virginia State Tax Department. Registration is generally free. You will typically need your EIN or SSN, business entity details, bank account information, and an estimate of your monthly West Virginia sales. Most permits are issued within a few business days of an online application.
How do you charge the right sales tax in Martinsburg?
Sales tax in Martinsburg is charged based on the delivery address. For orders shipped to a Martinsburg address, the combined rate of between 6% and 7% generally applies; for in-store sales, the rate is based on the store's location. Because some ZIP codes within Berkeley County carry additional special-district taxes, always confirm the exact rate for the specific delivery ZIP code. The tables below show the most common Martinsburg ZIP codes and how Martinsburg compares with other cities in Berkeley County and across West Virginia.
