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International Wildland-Urban Interface Code (IWUIC) State Adoption Reference

Review current International Wildland-Urban Interface Code adoption records across 5 US jurisdictions, with editions, effective dates, amendments, and official references.

The table reports the latest active record per US jurisdiction in MeltPlan's source data. Confirm applicability with the authority having jurisdiction.

Current IWUIC records by state

StateBase model codePublisherEffectiveAdoption typeReference
California 2024 International Wildland-Urban Interface Code (IWUIC) ICC Jan 1, 2026 Custom Official source
Montana 2021 International Wildland-Urban Interface Code (IWUIC) ICC Jun 11, 2022 Amended Official source
Nevada 2024 International Wildland-Urban Interface Code (IWUIC) ICC Not listed Standard Not listed
Pennsylvania 2021 International Wildland-Urban Interface Code (IWUIC) ICC Jan 1, 2026 Standard Official source
Washington 2021 International Wildland-Urban Interface Code (IWUIC) ICC Mar 15, 2024 Custom Official source

IWUIC adoption questions

How many states currently have a IWUIC record in this dataset?

5 US jurisdictions have a current record under the IWUIC identifier. This count describes the dataset and is not a legal conclusion about every local jurisdiction.

Which IWUIC editions appear in the current records?

The edition years represented are 2024, 2021. A project may be governed by a different edition because of local amendments or transition rules.

Does a IWUIC state record apply in every city or county?

Not necessarily. Home-rule authority, local amendments, project type, occupancy, and enforcement dates may change which requirements apply.

How should I verify a IWUIC adoption?

Open the official source where one is listed, then confirm the adopted edition, amendments, effective date, and project jurisdiction with the authority having jurisdiction.