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Link to CMap

Clackamas County GIS Data Portal
Welcome to Clackamas County?s GIS Data Portal.

Custom Maps
We can produce a map to meet your particular needs.

GIS - Geographic Information systems
GIS, a computer system capable of holding and using data describing places on the earth?s surface, is a resource for mapping or performing land based analysis.

City Boundaries
Clackamas County City limits coverage.

Clackamas County Boundary
Clackamas County Boundary based on ORS 201.030.

Elementary Attendance
Elementary school attendance boundaries

Sanitary Hauler Boundaries
The layer displays the service boundaries for the Sanitary Haulers in Clackamas County.

Middle Attendance
Middle school attendance boundaries

School Districts
School Districts Boundaries

Senior school attendance
Senior school attendance boundaries

Master Tax Code File
This featurce class deliniates the tax code boundaries in Clackamas County. This is a comprehensive feature class. I contains a historical parent-child relationship back one generation.

Heritage Trees
Heritage trees are trees of historical significane or superior biological samples of the species. Heritage tree iformation provided by Clackamas County DTD.

Voter Precincts
Voter precinct boundaries for Clackamas County

Fire Districts
Clackamas County Fire District Boundaries

30ft Contours

Streams and Creeks
Hydro line features and names of lakes, rivers and streams.

Soils 2003
This data set is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was prepared by digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by revising digitized maps using remotely sensed and other information. This data set consists of georeferenced digital map data and computerized attribute data. The map data are in a soil survey area extent format and include a detailed, field verified inventory of soils and miscellaneous areas that normally occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped. A special soil features layer (point and line features) is optional. This layer displays the location of features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management. The soil map units are linked to attributes in the National Soil Information System relational database, which gives the proportionate extent of the component soils and their properties.

Comp Plan
Plan Designations for unincorporated areas of Clackamas County

The purpose of Community Planning Organizations (CPOs) is to involve citizens in land use planning in unincorporated Clackamas County. The CPO Program is the method Clackamas County uses to meet Goal 1, Citizen Involvement, of the Statewide Planning Goals. See the website at for more information.

See for more information.

The urban growth boundary separates urban and urbanize land from rural land. State law requires that a 20-year supply of urbanizable land be included inside its borders at all times. More information at

See for more information.

Adopted land use zoning boundaries

Street centerline data with address ranges

Clackamas County Subdivision Boundaries

Aerial Photography
Full color plots of ortho aerial photography are available at our office.

Online Atlas
More detailed versions of these maps are available to purchase. Please contact Clackamas County GIS Division for details. Click on a map for a larger image.

Frequently asked questions about the surveyor's research system, Web CCSIS.

Clackamas County's Site Search Enhancement and Bug List
Bugs & Enhancements for the new CCSS web application.

GIS Data Dictionary
Detailed descriptions of terms and abbreviations used in GIS applications.

Digital Data
For those who have software to read and use digital GIS data, Clackamas County GIS can license the datasets you need.

Online Public GIS-Web Mapping Applications
Clackamas County has developed a number of on-line web applications to provide the public with information from the County?s Geographic Information System (GIS). These applications provide users answers to most questions often asked about their particular tax lot, service provider, or community.

Clackamas County Road Map
Ways to view and print a Clackamas County road map at home.

Clackamas County's Surveyor Information System Bugs/Enhancements
Bugs & Enhancements for the new CCSIS web application.

Scanned Tax Maps
How to acquire scanned assessor tax maps of Clackamas County