Port Washington, WI is in zip code 53074. The current total local sales tax rate in Port Washington, WI is 5.500%. The 2020 total local sales tax rate was 5.600%.
| District | Rate |
|---|---|
| Wisconsin State | 5.000% |
| Ozaukee County | 0.500% |
| Port Washington | 0.000% |
| Total | 5.500% |