DrawPermit

Williamson County · Texas

Cedar Park site plans and permits.

Cedar Park asks for a deck permit once a deck is 30 inches up, over 200 sq ft, attached or serving an exit door, and a shed permit over 80 sq ft. Fences need no permit.

Start a site planSee a sample set
Building code
2021 International Residential Code with Cedar Park amendments.
Decks
A deck needs a permit if it is 30 inches or more above the ground, over 200 sq ft, attached to the house, serving a required exit door, or multi-level.
Sheds
Sheds and other accessory buildings over 80 sq ft need a permit. One-story sheds of 80 sq ft or less are exempt. Height is capped at 12 ft under 80 sq ft, 15 ft from 81 to 180 sq ft, and the house's height above that.
Fences
Fences up to 8 ft need no permit but must follow the city's fence rules. Side and rear fences can be 8 ft. In the front setback the limit is 3 ft, or 6 ft of wrought iron on lots over 20,000 sq ft. Barbed wire, razor wire, electric and fabric fences are banned in most cases.
Patio covers
Covering an existing slab or deck needs a permit, and so does an arbor.
Owner-drawn plans
The city doesn't require a design professional for these projects. Its handouts say drawings needn't be to scale, but measurements must be accurate. Pencil, illegible or incomplete plans are turned away.
Engineer
The deck and shed handouts don't ask for an engineer.
Setbacks
Accessory buildings can't sit in front of the house. Most small ones need 5 ft from the side and rear lot lines. Buildings over 180 sq ft follow the house's setbacks. A structure attached to the house can reach into the rear setback but must stay 10 ft from the rear lot line.
Fees
Sheds and other accessory structures: $0.10 per sq ft, $35 minimum, plus a $25 plan review fee. The fee schedule lists no separate deck, patio cover or fence fee.
Where to apply
MGO Connect (MyGovernmentOnline)

What Cedar Park asks the site plan to show.

  • All public utility easements
  • Setbacks
  • Property lines
  • The deck, patio cover or shed location
  • Everything already on the lot
  • The new structure's footprint
  • Uploaded as a PDF. It needn't be to scale, but the measurements must be accurate

Your DrawPermit site plan draws the lot lines, north arrow, scale, structures, setbacks, distances to each line and impervious cover. Add utility lines, meters and trees by hand if your city asks for them.

Worth knowing.

  • A shed over 80 sq ft can't sit in a public utility easement. A smaller one can, at your own risk.
  • Accessory buildings can cover at most 20% of the back yard.
  • The 80 sq ft shed cut-off comes from the city's shed handout. If yours is close to it, confirm with the city.

Checked against the city's own pages on November 2, 2026. Rules change, so confirm with Cedar Park before you submit.