This dataset is a compilation of municipal boundaries for incorporated cities in Snohomish County, Washington. The boundaries were compiled from muni_annex dataset that tracks all municipal annexations, dissolving the active annexations together to create the current city boundaries. Spatial registration conforms to features in the Snohomish County parcel data set.

The Parcels data set is a thematic layer depicting current real property parcel boundaries within the City of Snohomish, Snohomish County, Washington based on the legal descriptions contained in the assessment roll. Parcels in this data set are defined as real property entities that can be valued for the purpose of collecting taxes. Parcels include, but are not limited to land, buildings on leased land, mobile homes and condominium units. Parcels may overlap. Parcels such as condominium units and mobile homes that may occupy a single polygon are represented as non-planar features (regions) of the same geographic extent. The Parcels data set does not depict legal ownership boundaries nor does it represent legal building lots. Snohomish County does not maintain parcels for the complete geographic coverage of the county. There is no parcel fabric in much of the eastern mountainous area.