- Roofing permits on record
- Not yet
- Adopted code
- 2024 (Iowa State Building Code) IRC
- Snapshot
- October 30, 2026
What building code applies to roofs in Lyon County?
Lyon (county jurisdiction) enforces the 2024 (Iowa State Building Code) IRC.
The roofing requirements behind it (design wind speed, snow load, underlayment, ice barrier, impact rating, tear-off rules) are in Hail Pro.
Do you need a permit to replace a roof in Lyon County?
Most jurisdictions that enforce a building code require a permit for a full roof replacement and inspect the work; repairs below a local threshold are often exempt. Confirm with the building department for the property's city, or Lyon County for unincorporated areas. Background: do you need a permit to replace a roof.