Deck Permit in Linn County, Iowa
- Permit Required
- Unknown
- Authority
- Linn County
- Last Verified
- 2026-09-29
What the official source says
“A building permit is required when a deck is attached to the house, the deck exceeds 200 square feet and/ or is more than 30 inches above adjacent grade.”
linncountyiowa.gov
“After receiving zoning approval and the approval of the submitted plans (typically 5-10 business days), the permit will be issued.”
linncountyiowa.gov
Verify before you build — primary source for this page: https://www.linncountyiowa.gov/DocumentCenter/View/1263/Deck-PDF
Permit Requirements
Required when the deck is attached to the house, exceeds 200 square feet, or is more than 30 inches above adjacent grade.
Size / Height Limits
Maximum size without a permit: 200 sq ft.
Application Process
Processing time: typically 5-10 business days.
How to apply
- Confirm the rules for your address with Linn County — the official sources on this page are the place to start.
- Prepare a simple site plan or drawing showing where the deck work goes and its size.
- Submit the application and pay the permit fee.
- Schedule the required inspections and keep the approved permit on site.
More detail: our deck permit guide.
Building Department
Linn County
Official Sources
FAQ
Is there a size or height limit before a deck permit is needed in Linn County?
The verified threshold is 200 sq ft in area.
How much does a deck permit cost in Linn County, and how long does it take?
The fee is set by the local permit office. Processing time: typically 5-10 business days.
Where do I apply for a deck permit in Linn County?
Applications go to Linn County.