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MI · County

Lenawee County, MI.

Lenawee County is in MI (IECC zone 5A, design wind 90 mph).

Coverage in progress
Adopted edition

Coverage in progress

Inherits from MI 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

Lenawee County County Building Department

Local conditions
  • Ground snow load: 30-35 psf
  • Frost depth: 42".

Working in Lenawee County?

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

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

Pull a Lenawee County code packet.

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