The Monarch Fire Protection District covers 62.7 square miles and includes portions of the cities of Ballwin, Clarkson Valley, Chesterfield, Creve Coeur, Maryland Heights, Wildwood and unincorporated St. Louis County.

Please use the following procedure to verify whether or not a property is in the Monarch Fire Protection District

St. Louis Property Lookup


  1. Click on the search box field
  2. Enter the address, which does not need to be complete.
    Do Not include street type words or abbreviations,
    such as, Lane, Ln.; Drive, Dr.; Court, Ct., etc.
    • To find 13725 Olive Blvd., Chesterfield, MO 63017
    • Enter 13725 Olive
  3. Either click the magnify glass icon or press Enter on the keyboard to perform the search.
  4. A dialog box will open with information on the address. Verify that the Fire District is Monarch.
  5. If the dialog box does not open automatically, click on the address number of the map to open the dialog box.