What is the sales tax rate in Sussex, Wisconsin?

The combined sales tax rate in Sussex, Wisconsin is 5.000% as of 2026. This includes the Wisconsin state rate of 5.000% plus local jurisdiction taxes.

How is the Sussex sales tax calculated?

Multiply your purchase amount by 5.000% (or 0.00500) to get the tax owed. For example, a $100 purchase incurs $5.00 in sales tax.

What is the Wisconsin state sales tax rate?

The base Wisconsin state sales tax rate is 5.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Sussex have a county sales tax?

Sussex does not levy an additional county-level sales tax beyond the state base rate.

When was the Sussex sales tax rate last updated?

The Sussex sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Sussex, WI Sales Tax Rate 2026

The combined sales tax rate in Sussex, Wisconsin is 5.000%.

Combined Rate 5.000%

State5.000%

Sussex Sales Tax Breakdown

Jurisdiction	Rate
Wisconsin State Sales Tax	5.000%
Total Combined Rate	5.000%

Which County Is Sussex In?

Sussex falls within Waukesha, Wisconsin. Waukesha imposes a 0.000% county-level sales tax in addition to the Wisconsin state base rate.

Sussex ZIP Codes

The following ZIP codes are mapped to Sussex for sales tax purposes. All listed codes apply the 5.000% combined rate.

53089

Nearby Tax Rates

Business Nexus in Wisconsin

Economic Nexus Threshold

Selling into Wisconsin from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect Wisconsin sales tax.

FAQ: Sussex Sales Tax

The combined sales tax rate in Sussex, Wisconsin is 5.000% as of 2026.

Multiply your purchase price by 5.000% to find the tax owed. A $500 purchase would include $25.00 in sales tax.

Groceries are generally taxable in Wisconsin. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Sussex are subject to the 5.000% combined rate, though some states apply different rules for vehicle sales. Verify with the Wisconsin Department of Revenue or DMV.

Register for a sales tax permit through the official Wisconsin Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 5.000% rate for Sussex, WI

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 5.000% combined

Official Tax Authority

Wisconsin Department of Revenue

Filing Deadline: Monthly returns due the last day of the following month. File via My Tax Account portal.

Visit Official Portal (608) 266-2776