Updated : 08/01/2024

Overview

Cincinnati, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 International Residential Code), including Appendix A, with amendments. Cincinnati, OH, Muni. Code § 1115-01 (adoption) and § 1115-03 through 1115-23 (amendments). Cincinnati, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 International Building Code). Cincinnati, OH, Muni. Code § 1101-05 (adoption). For Cincinnati, Ohio, no local adoptions and no local amendments of an existing building code were located. 

Helpful resources for Cincinnati, Ohio include the following.

• Jurisdiction's Information Page(s):
  • Cincinnati, Ohio Home Page
  • Cincinnati, Ohio Building Inspection
  • Cincinnati, Ohio Municipal Code
• PLRB, Ordinance and Law Coverage Discussion for Ohio

Residential Building Code

Ohio adopted a statewide mandatory residential code that will control; however, local governments are free to make laws more strict (with some limitations).See PLRB, Ohio Building Codes for more information on state level codes.

Cincinnati adopted the 2018 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about amendments to the model code here.

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2019 Residential Code of Ohio (2018 IRC)(Cincinnati, OH Sec. 1115-01. - General.)

...townhouses, and their accessory structures. (B) This Chapter of the Cincinnati Building Code shall include the Residential Code of Ohio for One-, Two-, and Three-Family Dwellings, which is incorporated as if set out at length herein, except for changes, deletions...

Drip Edge

Drip Edge: yes

In Cincinnati, drip edge flashing is not required unless required in the manufacturer instructions. State amendments delete the model drip-edge provision in the 2018 IRC §R905.2.8.5. The drip edge provision refers readers to §§903.1 and 905.1. See Ohio Admin. Code 4101, section 8-9-1.

Ice Barrier

Are ice barriers required for Cincinnati ? Yes
Citation: Table R301.2
Municipal Code https://codes.iccsafe.org/content/OHRC2019P2/chapter-3-building-planning
Comments:

Ohio completed Table 301.2(1), Climatic and Geographic Design Criteria, and indicated that ice barriers are required. Ohio Admin. Code § 4101.8-3-01, Table 301.2(1). 

Government Officials

Comments

Cincinnati, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 International Residential Code), including Appendix A, with amendments. Cincinnati, OH, Muni. Code § 1115-01 (adoption) and § 1115-03 through 1115-23 (amendments).

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

There is no mention of the adoption of Appendix J of the 2018 IRC.

For Cincinnati, Ohio, no local adoptions and no local amendments of an existing building code were located. 

Commercial Building Code

Cincinnati adopted the 2021 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about amendments to the model code here.

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2024 Ohio Building Code (2021 IBC)(Cincinnati, OH Sec. 1117-09. - Application of Building Code.)

...1117-09.1 General: This Housing Code shall be deemed to be included within the reference to the Cincinnati Building Code. (Ordained by Ord. No. 67-1996, eff. Apr. 5, 1996)...

Comments

Cincinnati, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 International Building Code). Cincinnati, OH, Muni. Code § 1101-05 (adoption).

Existing Buildings

For Cincinnati, Ohio, no local adoptions and no local amendments of an existing building code were located. 

Other Building Codes