Applications & Permits

The Department of Engineering reviews plans, issues permits and inspects construction of any public infrastructure as well as various aspects of private construction affecting public infrastructure (such as drainage and erosion control measures).

If you are planning any construction activity involving earthwork or construction, please contact the Department of Engineering to determine which permits are required.

City of Saint Charles Permit Application Process Chart

Our most commonly used applications include:


Contact Us

  1. Department of Engineering
    200 N. 2nd St.
    2nd Floor, Room 202
    St. Charles, MO 63301

    Ph: 636-949-3237
    Fx: 636-940-4601


    Monday - Friday
    8 a.m. - 5 p.m.