Building Permit Guide

Building Permit Quick Start Guide

Welcome to the County of Kauai Guide to Permitting

You begin by submitting a Building Permit Application.

Please complete the on-line application (Found on our main webpage) or pick up a paper form at the Building Division office.

Important: There are a few things that must be completed correctly to ensure successful application submittal.

Tax Map Key (TMK) must be correct. See our TMK 101(PDF, 9KB) document for instructions for providing a correct tax map key.
For electronic submittals, please refer to the Electronic Plan Review information page to reference the applicant guide and much more!

Residential Building Evaluation Policy(PDF, 473KB) - The purpose of this policy is to establish unit costs per square foot for different classes of residential and accessory buildings with two general groups, one for average construction and the other for good. https://www.kauai.gov/Portals/0/PW_Bldg/BUILDING VALUATION POLICY 2010.pdf?ver=2022-03-16-133311-057(PDF, 459KB)
Department Of Water Forms - The Department of Water has various types of forms online such as water service application, and transfer of service application.
Various Engineering Documents, Forms, and Instructions

Building Permits Online!
Check permit, plan tracking, and inspection status online!