What is the sales tax rate in Kapaa, Hawaii?

The combined sales tax rate in Kapaa, Hawaii is 4.500% as of 2026. This includes the Hawaii state rate of 4.000% plus local jurisdiction taxes.

How is the Kapaa sales tax calculated?

Multiply your purchase amount by 4.500% (or 0.00450) to get the tax owed. For example, a $100 purchase incurs $4.50 in sales tax.

What is the Hawaii state sales tax rate?

The base Hawaii state sales tax rate is 4.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Kapaa have a county sales tax?

Kapaa imposes an additional county-level sales tax of 0.500% on top of the state rate.

When was the Kapaa sales tax rate last updated?

The Kapaa 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

Kapaa, HI Sales Tax Rate 2026

The combined sales tax rate in Kapaa, Hawaii is 4.500%.

Combined Rate 4.500%

State4.000% County0.500%

Kapaa Sales Tax Breakdown

Jurisdiction	Rate
Hawaii State Sales Tax	4.000%
County Sales Tax	0.500%
Total Combined Rate	4.500%

Which County Is Kapaa In?

Kapaa falls within Kauai, Hawaii. Kauai imposes a 0.500% county-level sales tax in addition to the Hawaii state base rate.

Kapaa ZIP Codes

The following ZIP codes are mapped to Kapaa for sales tax purposes. All listed codes apply the 4.500% combined rate.

96746

Nearby Tax Rates

Business Nexus in Hawaii

Economic Nexus Threshold

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

FAQ: Kapaa Sales Tax

The combined sales tax rate in Kapaa, Hawaii is 4.500% as of 2026.

Multiply your purchase price by 4.500% to find the tax owed. A $500 purchase would include $22.50 in sales tax.

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

Vehicle purchases in Kapaa are subject to the 4.500% combined rate, though some states apply different rules for vehicle sales. Verify with the Hawaii Department of Revenue or DMV.

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

Sales Tax Calculator

Using 4.500% rate for Kapaa, HI

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 4.500% combined

Official Tax Authority

Hawaii Department of Taxation

Filing Deadline: General Excise Tax (GET) returns due the 20th of the month after the period end. File via Hawaii Tax Online.

Visit Official Portal (808) 587-4242