|Name||Residential Building Code – 2018 IRC and Appendix Q|
|Municipal Code||MD State Amendments to IRC 2018 includes Appendix Q|
|Authority||Maryland Division of Labor and Industry Building Codes Administration|
About this appendix:Appendix Q relaxes various requirements in the body of the code as they apply to houses that are 400 square feet in area or less. Attention is specifically paid to features such as compact stairs, including stair handrails and headroom, ladders, reduced ceiling heights in lofts and guard and emergency escape and rescue opening requirements at lofts.
Department of Labor
Division of Labor and Industry
Building Codes Administration
10946 Golden West Drive, Suite 160
Hunt Valley, MD 21031
Updated: October 2023 – Laura
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Building Code — Legislation that speaks to how to construct a tiny house.
Zoning Code — Legislation that speaks to how the lot will be used.
ADU — Accessory Dwelling Unit
DMV — Division of Motor Vehicles
IB — Industrialized Buildings
IRC — International Residential Code
PUD — Planned Unit Development
RV — Recreational Vehicle
SF — Single Family Dwelling
T — Transitional Housing
UDO — Unified Development Ordinance
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