54423 Property Tax Rate

Property owners in ZIP code 54423 (Custer, Wisconsin) pay a median of $3,850/year in property taxes on homes valued at $290,700. This translates to an effective tax rate of 1.32%, which is 6% below the Wisconsin state average of 1.40%.

The monthly property tax burden for a median-valued home in 54423 is approximately $321, which factors into escrow payments on mortgages. This ZIP code is located within Portage County. This is $651 more than the Wisconsin average of $3,199/year.

Compared to similar ZIP codes in Wisconsin, 54423 has lower property taxes. ZIP codes with similar effective rates include 54015 (1.32%) and 54235 (1.32%).

In Custer, property taxes represent approximately 3.3% of the median household income of $116,941, providing context for the relative tax burden on homeowners in this area.

Wisconsin reassesses all property annually without a state cap, but primary residences receive the Homestead Credit — an income-based reduction that saves Portage County homeowners $150–$500 per year depending on household income and property value. Submit your homestead credit application to the Portage County Assessor within 30 days of purchase to secure the reduction on your first tax bill. Review your assessment notice each year and contact the Portage County Assessor if the assessed value increased more than your recent home improvements justify, requesting a physical inspection or value reduction.