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From: Ellen Rogalin, Department of Transportation and Development, 503-742-4274


Clackamas County

Media and Interested Parties

Clackamas County Transportation System Development Charges (TSDCs) revisions effective Jan. 1

Revised Transportation System Development Charges (TSDCs) approved by the Board of County Commissioners will apply to development permits submitted on or after Jan. 1, 2018.

TSDCs are one-time fees paid when a new or expanded residential or commercial development is built. The fees are used to help pay for transportation facilities needed to serve the people who will occupy or use the development.

The updates in the revised TSDCs include:

Over the last two years, county staff worked with representatives from the commercial and residential development community, home builders and engineering firms to help develop recommendations that were approved by the board. 

Details are available online at or by contacting Senior Policy Analyst Jimmy Thompson at 503-742-4333 or


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