Pierce County LICENSES orthophotography and impervious surface data from 3rd party vendors. Ortho imagery is available for multiple years with different levels of accuracy. The following is a summary of vendors who have imagery for the County:
Sanborn Map Company, Inc.
Flight dates: 2008, 2011, 2014 and 2017
Extents: near countywide coverage
Projection: NAD 83 (1991)Washington State Plane South Zone