Residential Building Code – 2018 IRC and Appendix Q

Statewide, Maryland

Overview

Name Residential Building Code – 2018 IRC and Appendix Q
Municipality Statewide
Zoning Districts Residential
Effective Date 01/01/2023
Municipal Code MD State Amendments to IRC 2018 includes Appendix Q
Code Link https://up.codes/viewer/maryland/irc-2018/chapter/Q/tiny-houses#Q
Authority Maryland Division of Labor and Industry Building Codes Administration

Summary

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.


Key Contacts

Department of Labor
Division of Labor and Industry
Building Codes Administration

10946 Golden West Drive, Suite 160
Hunt Valley, MD 21031
410-767-2227
e-mail: dldlibuildingcodes-labor@maryland.gov


Notes

IRC Source:  https://codes.iccsafe.org/content/IRC2018P7/appendix-q-tiny-houses

State Source:  https://up.codes/viewer/maryland/irc-2018/chapter/Q/tiny-houses#Q

Updated:  October 2023 – Laura

THIA will be constantly updating the legislation data. Check back often. Suggest A Correction if you are aware of any missing or incorrect information. AND keep scrolling to learn more about getting guidance.

Key

Category

Building Code — Legislation that speaks to how to construct a tiny house.

Zoning Code — Legislation that speaks to how the lot will be used.

Type

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

Please Suggest a Correction if you find broken links or misinformation.

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