Grant County Fire Districts. Some city limits are excluded from this feature class, as cities have urban fire districts. Fire district are Washington State areas established to eliminate fire hazards and protect life and property outside of incorporated cities and towns except where such cities and towns have been annexed into the district. Fire district is a variable in the computation of property tax.
Grant County, Washington (2018). Fire Districts [Washington (State)--Grant County]. . https://data-grantcountywa.opendata.arcgis.com/datasets/GrantCountyWA::fire-districts-2 (dataset)