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Representative Mark N. Dion

District #43

45 Allison Avenue, Portland, ME 04103



Rep. Mark Dion is serving his third term in the Legislature and was appointed House chair of the Criminal Justice and Public Safety Committee for the 126th Legislature.

Rep. Dion has most recently served three terms as the Sheriff for Cumberland County. In that capacity, he has been an advocate on mental health and substance abuse policy, community correction practices, and inter-agency partnerships involving public health and safety.

Rep. Dion is a graduate of Harvard University’s Senior Executives Program in State and Local Government. He is also a graduate of the University of Maine School of Law and is practicing law in Portland.

He resides in Portland with his wife, Cheryl.

To view high resolution photos of Rep. Mark Dion click here.

Committee Assignment for the 127th Legislature to be announced

Rep. Dion previously served as the House chair on the Joint Standing Committee on Criminal Justice and Public Safety.

Brief description of the subject matter handled by the committee: Maine Criminal Code; Maine Juvenile Code; Maine Bail Code; criminal law and criminal procedure; sentencing; Criminal Law Advisory Commission; Department of Public Safety; law enforcement; Criminal Justice Academy; victims' rights; Department of Corrections; adult and juvenile corrections; intensive supervision; probation and parole; county jails; community corrections; Board of Corrections; operating under the influence; operating after suspension; habitual offenders; fire safety and arson; firearms; concealed firearms permits; private investigators; security guards; and Maine Emergency Management Agency.

For more information about the schedule of committee hearings or to sign up for advance notice of public hearings click here.


Click on the button below to see all bills, joint resolutions and orders I sponsored or cosponsored this session, as well as legislative sentiments that honor and recognize people from our district and throughout the state.






To do a general bill search, click here.


Contact Me

Thank you for taking time to contact me. You may use the online contact form to reach me.

You can also contact me at my home:

45 Allison Avenue
Portland, ME 04103
Home tel: (207) 797-6341

When the Legislature is in session, you can leave a message for me by calling the State House Message Phone: (800) 423-2900 or the State House TTY Line: 207) 287-4469.