Utilities, Tax District, and Tax Code Area Lookup Tool
Property Tax District Boundaries for Intercounty Utility Valuations
Download the latest shapefiles for Tax Code Area boundaries, which represent all taxing districts in Washington.
The Tax Code Area Statement is a list of all Tax Code Areas by county. There are approximately 3,300 unique Tax Code Areas in the state of Washington.
The Summary of Changes Report lists the changes in the boundary of all Tax Code Areas (TCA) over the last twelve months. A TCA boundary changes when a taxing district chooses to annex property from another taxing district, merges with another taxing district, or dissolves itself into another taxing district
Utilities Apportionment Reporting Templates
Utility Cost of Capital Studies