Residential Building Code – IRC 2018 and Appendix Q

Statewide, Florida


Name Residential Building Code – IRC 2018 and Appendix Q
Municipality Statewide
Zoning Districts Residential
Effective Date 12/31/2020
Municipal Code 2020 Florida Building Code, Residential, 7th Addition
Code Link
Authority State Building Code Review Board


The 7th Edition (2020) update to the Florida Building Code: Residential is a fully integrated publication that updates the 6th Edition 2017 Florida Building Code: Residential using the latest changes to the 2018 International Residential Code® with customized amendments adopted statewide. Florida Building Code Administrative Chapter 1 is included. Chapter tabs are also included. Effective Date: December 31, 2020

Key Contacts

State Building Code Review Board:
Florida Building Commission
St. Johns County
Growth Management Services, Building Services Division
4040 Lewis Speedway
St. Augustine FL 32084
(904) 827-6806



Updated:  Loran – January 2021

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.



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

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

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