Knowledge Base

How do I get information on Common Cause?

Common Cause is committed to advancing honest, open and accountable government, as well as encouraging citizen participation in democracy. We care what our members and supporters have to say.

If you have questions about our grassroots actions, please email us at or use the form below.

If you have any questions about donations (either online or offline) or Common Cause membership, please email us at

If you are a member of the media, please email us at

Our mailing address is 805 15th Street NW, 8th Floor, Washington, DC 20005. Our telephone number is 202.833.1200.

Updated 6/28/2021 4:15 PM
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