Washington vs Michigan Sales Tax Nexus — Comparison 2026
Compare economic nexus thresholds, state and local rates, and filing rules in Washington and Michigan.
| Metric | Washington | Michigan |
|---|---|---|
| Economic nexus threshold | $100,000 | $100,000 |
| Transaction threshold | None | 200 |
| State rate | 6.50% | 6.00% |
| Avg. local rate | 2.90% | n/a |
| Combined state + local | 9.40% | 6.00% |
| Marketplace facilitator | Yes | Yes |
| Effective since | 2020-01-01 | 2018-10-01 |
Which state is easier for sellers?
For low-revenue sellers: nexus triggers first in both states because of its threshold. If you cross that first, you register there first.
On rate: Michigan is friendlier for customers with a combined state + local rate of 6.00% vs 9.40%.
Michigan also adds a 200-transaction trigger that Washington doesn't have.
Washington — nexus note
Economic nexus triggers at $100,000 in cumulative gross receipts from Washington sales in the current or previous calendar year. The transaction-count threshold was removed in 2020. Washington also imposes B&O tax on nexus-triggering activity.
Michigan — nexus note
Economic nexus in Michigan triggers when remote sellers exceed $100,000 in gross sales OR 200 or more separate transactions into Michigan in the current or preceding calendar year — whichever is met first.
What to do next
Use the nexus calculator to check exactly which of Washington and Michigan you've already triggered. Then read each state's full guide: