Building Codes Havre de GraceDepartmentsDepartment of PlanningBuilding Codes The International Building Codes 2021, as amended, as published by the International Code Council, Inc., a copy of which is on file with the Department of Planning of the City of Havre de Grace, is hereby adopted by the Mayor and City Council of the City of Havre de Grace, Maryland, for the purpose of protecting the public health, safety and welfare of the citizens of the City of Havre de Grace. International Building Code 2021 International Residential Code 2021 The City of Havre de Grace adopted amendments to the International Building Code 2021: City of Havre de Grace Amendments to the International Building Code 2021