What is the sales tax rate in Ann Arbor?
The combined sales tax rate in Ann Arbor, Michigan is 6% as of 2026. It is made up of the Michigan statewide base rate of 6%, plus applicable Washtenaw County and local district taxes. Ann Arbor sits within Washtenaw County, and the rate can vary slightly across ZIP codes because of special district additions (see the ZIP breakdown below).
Sales tax in Michigan is administered by the Michigan Department of Treasury, 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 Ann Arbor.
Who needs to collect sales tax in Ann Arbor, Michigan?
Any business with sales tax nexus in Michigan must register, collect, and remit sales tax on taxable sales delivered to Ann Arbor. Nexus is established through:
- Physical presence: an office, store, warehouse, employee, or inventory located in Michigan.
- Economic nexus: exceeding $100,000 in sales to Michigan 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 Michigan's economic nexus threshold must register with the Michigan Department of Treasury before continuing to sell into the state.
How do you register for a sales tax permit in Ann Arbor?
To collect sales tax in Ann Arbor, you must register for a sales tax permit with the Michigan Department of Treasury. Registration is generally free. You will typically need your EIN or SSN, business entity details, bank account information, and an estimate of your monthly Michigan sales. Most permits are issued within a few business days of an online application.
How do you charge the right sales tax in Ann Arbor?
Sales tax in Ann Arbor is charged based on the delivery address. For orders shipped to a Ann Arbor address, the combined rate of 6% generally applies; for in-store sales, the rate is based on the store's location. Because some ZIP codes within Washtenaw County carry additional special-district taxes, always confirm the exact rate for the specific delivery ZIP code. The tables below show the most common Ann Arbor ZIP codes and how Ann Arbor compares with other cities in Washtenaw County and across Michigan.




