Knox Boxes


Knox Boxes are required on:

  • Commercial and industrial structures protected by an automatic alarm system or automatic suppression system
  • Daycare facilities
  • Governmental structures
  • Multifamily (4-plus unit) residential structures that have restricted access through locked doors, and/or have a common entrance corridor for access to the living units and utility and/or mechanical rooms
  • Nursing care/assisted living centers
  • Structures that are secured in a manner that restricts rapid access during an emergency

Review the entire Knox Box ordinance.

A locked Knox Box
An open Knox Box

Order a Knox Box

To order a Knox Box, please visit the Knox website. Select "Products" on the home page, then enter "Sun Prairie." From there, you will select the item/type of box that you wish to install, then continue with the purchase process.