Collin County · Texas
Prosper site plans and permits.
Prosper follows the standard code exemption for decks, and asks for a permit for every accessory building.
Building code
Confirm the adopted code edition with the city.
Deck permit
You need a permit unless the deck is 200 sq ft or smaller, no more than 30 inches above grade at any point, freestanding and not serving the required exit door.
Sheds
Every accessory building needs a permit, whatever its size.
Owner-drawn plans
The city's pages don't say who may draw deck plans.
Setbacks
We didn't find published setbacks. Check your lot's zoning with the city.
Where to apply
Checked against the city's own pages on October 30, 2026. Rules change, so confirm with Prosper before you submit.