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KS · County

Johnson County, KS.

Wealthiest Comprehensive codes adopted by Overland Park, Olathe, Shawnee, Lenexa, Leawood. Expansive

Indexed
Adopted edition

Local adoption (no statewide code)

Local amendments override state floor.

Design wind speed

90 mph

ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.

Climate zone (IECC)

5A

Drives R-value, fenestration U-factor, and air-leakage envelope rules.

Special zones
  • HVHZ
  • WBDR
  • WUI
  • FEMA SFHA possible
Permit office

Johnson County County Building Department

Local conditions
  • Ground snow load: 25-30 psf
  • Frost depth: 36-42".

Common amendments + overlays

What's specific to this county.

  • §01 County has local amendments to the state floor — consult the building department.

Working in Johnson County?

Pull an address-level code packet for any property in Johnson County. SkyCanvass resolves the parcel, looks up the adopted edition + the Johnson County-specific amendments listed above, and emits a cited packet ready for permit submittal.

See the Kansas state overview for the broader context, or browse the state directory.

Pull a Johnson County code packet.

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