Permits are required for attached and detached decks. Any contractor applying for an attached deck permit for One and Two Family Residential Dwellings must have valid State of Wisconsin certifications.
City of Franklin Building Permit Application
SPS 321.225/SPS 320-325 Appendix B
SPS 321.225/SPS 320-325 Appendix C
DCA6 Prescriptive Residential Wood Deck Construction Guide
We Energies Clearance Guidelines