Home Plan Group, LLC plans are created with the highest standards of quality. Each plan goes through a comprehensive checking process to ensure accuracy. Our plans are drawn to meet the 2006 International Residential Code of One & Two Family Dwellings and the 2009 International Building Code with New Jersey amendments. Many states and counties amend the codes in their area. Consult your local building officials to determine the plan, code and site requirements. Home Plan Group, LLC. home plans are not stamped by an architect or engineer.