Councilman Mark Harder

St. Louis County Council District 7
Mark Harder (R)

Mark Harder is serving his first term representing the St. Louis County Citizens of the 7th Council District. He served as a Ballwin Alderman from 2011 to 2014..



Please include your full name in all correspondence with this office (including email).


Contact Information

Phone: (314) 615-5443
Fax: (314) 615-7890
Office: Administration Building,
41 South Central, Clayton (1st Floor)
Mail: 41 South Central Avenue,
Clayton, MO 63105
Send us your Comments or Questions



Phone: (314) 615-5443
Executive Assistant: Christopher Howard


Committee Membership


Map of District 7


District Spotlights




  • Audit entire county government
  • Proper use of TIFs and eminent Domain
  • Conserving and efficiently using citizens' tax dollars
  • Making government as efficient as possible
  • Providing quality government services
  • Maintaining a good quality of life for our citizens
  • Preserving our neighborhoods and ensuring planned development
  • Ensuring the safety of County citizens
  • Listening to people's concerns
  • Providing efficient and convenient roads and transportation
  • Creating an environment for regional economic growth




Wife- Kathryn
Sons – David & Stephen

Religious Affiliation

St. Paul’s Lutheran Church - Des Peres

Bachelors Degree – University of Missouri – St, Louis
 Major in Marketing and Political Science


Work History
Berkshire Hathaway Home Services Alliance – Real Estate Broker


Professional Associations, Memberships, and Honors
  • St. Louis Association of Realtors
  • Missouri Association of Realtors
  • National Association of Realtors
  • Board Member – St. Louis HELP
  • Lafayette Township GOP Committeeman
  • 2nd Congressional GOP Committee Chairman
  • Member of West County and Chesterfield Chamber of Commerce