2026 Property Tax Due Dates
August 20
First installment
February 20
Second installment
Payment Methods
Online, Mail, In-Person
Kauai County Treasurer
Treasurer
Real Property Assessment & Collection Division, Department of Finance
Phone
(808) 241-4272Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Kauai County Treasurer
In Person
Visit the Treasurer's office — 4444 Rice Street, Suite 463, Lihue HI 96766, Mon-Fri 8am - 4pm
About Kauai County
Kauai County or Kauaʻi County (Hawaiian: Kalana o Kauaʻi), officially known as the County of Kauaʻi, is a county in the U.S. state of Hawaiʻi. It encompasses the islands of Kauaʻi, Niʻihau, Lehua, and Kaʻula. According to the 2020 Census, the population was 73,298.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you a fortnight before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.