Tax bills are mailed before the third Monday of December. 

2-Installment Municipality Due Dates

• 1st installment to the municipality is due January 31
• 2nd installment to the county is due July 31

2-Installment Municipalities

• Belgium, Town and Village
• Cedarburg, City and Town
• Fredonia, Town and Village
• Mequon, City
• Newburg, Village
• Port Washington, City and Town
• Saukville, Town and Village
• Thiensville, Village

Pay taxes to the above two installment municipalities through January 31. Pay the county all remaining real estate tax balances starting February 1st. All personal property tax payments are due to the municipality.

3-Installment Municipality Due Dates

• 1st installment to the municipality is due January 31
• 2nd installment to the municipality is due March 31
• 3rd installment to the municipality is due May 31

3-Installment Municipalities

• Bayside, Village
• Grafton, Town and Village

Pay taxes to the above three installment municipalities through July 31. Pay the county all remaining real estate tax balances starting August 1. All personal property tax payments are due to the municipality.

Delinquent Tax Information
All delinquent taxes are subject to interest of 1% and penalty of 0.5% per month compounded monthly from February 1st until paid in full.

Example: February 1.5%, March 3.0%, April 4.5% etc. until paid in full.