Minnesota · Building code

The building code in force in Minnesota now.

2020 Minnesota State Building Code: 2018 IBC with Minnesota amendments (Minn. R. ch. 1305; administration ch. 1300), effective Mar 31, 2020. Enforced by DLI Construction Codes and Licensing adopts; municipalities that adopted the code enforce it (mandatory if adopted by Jan 1, 2008); DLI enforces for public buildings and state-licensed facilities (Minn. Stat. 326B.107, 326B.121). Verified on the primary source, re-checked weekly.

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Building code in Minnesota

Verified on the source

In force

2020 Minnesota State Building Code: 2018 IBC with Minnesota amendments (Minn. R. ch. 1305; administration ch. 1300), effective Mar 31, 2020

Existing buildings use the 2018 IEBC-based rehabilitation code (ch. 1311). Commercial energy code is ASHRAE 90.1-2019 (effective Jan 5, 2024); window-cleaning anchorage requirements for glazing 38+ ft took effect Nov 7, 2025.

Source: primary document

Who enforces it

DLI Construction Codes and Licensing adopts; municipalities that adopted the code enforce it (mandatory if adopted by Jan 1, 2008); DLI enforces for public buildings and state-licensed facilities (Minn. Stat. 326B.107, 326B.121)

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

Rulemaking pending

2024 IBC (ch. 1305), 2024 IEBC (ch. 1311) and admin chapters 1300-1303: requests for comments Jan 21, 2025; 2024 IMC/IFGC (ch. 1346) Feb 2, 2026; no proposed rules or effective dates posted

Questions about the building code in Minnesota

Which building code applies in Minnesota today?

2020 Minnesota State Building Code: 2018 IBC with Minnesota amendments (Minn. R. ch. 1305; administration ch. 1300), effective Mar 31, 2020. Existing buildings use the 2018 IEBC-based rehabilitation code (ch. 1311). Commercial energy code is ASHRAE 90.1-2019 (effective Jan 5, 2024); window-cleaning anchorage requirements for glazing 38+ ft took effect Nov 7, 2025.

Who enforces the building code in Minnesota?

DLI Construction Codes and Licensing adopts; municipalities that adopted the code enforce it (mandatory if adopted by Jan 1, 2008); DLI enforces for public buildings and state-licensed facilities (Minn. Stat. 326B.107, 326B.121).

What changes next for the building code in Minnesota?

Rulemaking pending. 2024 IBC (ch. 1305), 2024 IEBC (ch. 1311) and admin chapters 1300-1303: requests for comments Jan 21, 2025; 2024 IMC/IFGC (ch. 1346) Feb 2, 2026; no proposed rules or effective dates posted