Updated : 10/29/2024

Overview

Warren County, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 IRC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. Warren County, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 IBC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. Warren County, Ohio, adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. 

Helpful resources for Warren County, Ohio include the following.

• Jurisdiction's Information Page(s):
  • Warren County, Ohio Home Page
  • Warren County, Ohio Building and Zoning Department
• 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.

Warren County 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 the adoption without amendment to the model code here.

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2019 Residential Code of Ohio (2018 IRC)(Warren, OH 1301.01 ADOPTION.)

...(c) Pursuant to Ohio R.C. 731.231, there is hereby adopted by reference, as if set out at length herein, the Residential Code of Ohio for One-, Two- and Three Family Dwellings (as in effect on May 27, 2006), and all subsequent revisions, additions and appendices thereto, for the purpose of regulating the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use or maintenance of one, two and three family dwellings and townhouses....

Drip Edge

Drip Edge: No

In Warren County, 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 Warren County ? Yes
Citation: Ohio Admin. Code 4101.8-3301.2(1) (Design criteria),
Municipal Code https://codes.ohio.gov/oac/4101:8-3-01v1
Comments:

Warren County, Ohio, adopted an amendment to Table R301.2(1) that indicates that ice barrier underlayment is required. Warren County, OH, Ice and Water Shield (PDF), Accessed 10/29/24.

Comments

Warren County, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 IRC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. 

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.

No mention of Appendix J of the adopted IRC was located at this time.

Warren County, Ohio, adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. 

Commercial Building Code

Warren County 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 the adoption without amendment to the model code here.

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2017 Ohio Building Code (2015 IBC)(Warren, OH Municipal Code)

...Adoption not found...

Comments

Warren County, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 IBC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. 

Existing Buildings

Warren County, Ohio, adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Warren County, OH, Code Changes (PDF), Accessed 10/29/24. 

Other Building Codes