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Hamilton, Ohio Building Codes

Updated : 05/30/2024

Overview

The State of Ohio adopts and enforces a set of statewide mandatory construction codes. The building codes are strictly mandated throughout the state; however, local jurisdictions may adopt additional more stringent provisions so long as they are not in conflict with the state code. Ohio Rev. Code Ann. § 3781.01(A). Furthermore, jurisdictions may seek variances from the state for certain provisions that are in conflict with the code yet are deemed necessary to secure the health and safety within the local governing authority’s jurisdiction. Id.(C)(2)(b).

Hamilton, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 IRC). Hamilton, OH, Muni. Code § 1305.01 (adoption) and Ohio Admin. Code § 4101.8. Note that the definition of “Ohio Building Code” includes the ORC as well. Hamilton, OH, Muni. Code § 1909.07 (definitions). Hamilton, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 IBC). Hamilton, OH, Muni. Code § 1305.01 (adoption) and Ohio Admin. Code § 4101.1. The state of Ohio adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Ohio Rev. Code Ann. § 3781.10(A)(1) (authority) and Ohio Admin. Code § 4101:1-34-01 (adoption and amendments). 

Helpful resources for Hamilton, Ohio include the following.

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.

Hamilton 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)(Hamilton, OH 1909.07 BUILDING CODE.)

..."Building Code" means the Ohio Building Code or the Residential Code of Ohio for One-, Two-, and Three-Family Dwellings. (Ord. 2022-4-26. Passed 4-13-22.)...

Drip Edge

Drip Edge: No

Ice Barrier

Are ice barriers required for Hamilton ? Yes
Citation: Ohio Admin. Code 4101.8-3 - 301.2(1) (Design criteria)
Municipal Code https://codes.ohio.gov/oac/4101:8-3-01v1
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
Last Name First Name Title E-mail Phone Note
Building Department building@hamilton-oh.gov (513) 785-7360 x1

Comments

The State of Ohio adopts and enforces a set of statewide mandatory construction codes. The building codes are strictly mandated throughout the state; however, local jurisdictions may adopt additional more stringent provisions so long as they are not in conflict with the state code. Ohio Rev. Code Ann. § 3781.01(A). Furthermore, jurisdictions may seek variances from the state for certain provisions that are in conflict with the code yet are deemed necessary to secure the health and safety within the local governing authority’s jurisdiction. Id.(C)(2)(b).

Hamilton, Ohio, adopted the 2019 Ohio Residential Code (based on the 2018 IRC). Hamilton, OH, Muni. Code § 1305.01 (adoption). Note that the definition of “Ohio Building Code” includes the ORC as well. Hamilton, OH, Muni. Code § 1909.07 (definitions).

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 adoption of Appendix J was found in the municipal code or city ordinances.

The state of Ohio adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Ohio Rev. Code Ann. § 3781.10(A)(1) (authority) and Ohio Admin. Code § 4101:1-34-01 (adoption and amendments). 

Drip Edges

State amendments modify the drip-edge provision of the IRC to no longer explicitly require drip-edges, referring instead to sections. 903.1 and 905.1, which require installing roof coverings in accordance with the approved manufacturer’s installation instructions. Ohio Admin. Code § 4101:8-9-01 §§ 905.2.85, 903.1, and 905.1.

Commercial Building Code

Hamilton 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)(Hamilton, OH Municipal Code)

...Adoption not found...

Comments

The State of Ohio adopts and enforces a set of statewide mandatory construction codes. The building codes are strictly mandated throughout the state; however, local jurisdictions may adopt additional more stringent provisions so long as they are not in conflict with the state code. Ohio Rev. Code Ann. § 3781.01(A). Furthermore, jurisdictions may seek variances from the state for certain provisions that are in conflict with the code yet are deemed necessary to secure the health and safety within the local governing authority’s jurisdiction. Id.(C)(2)(b).

Hamilton, Ohio, adopted the 2024 Ohio Building Code (based on the 2021 IBC). Hamilton, OH, Muni. Code § 1305.01 (adoption).

Existing Buildings

The state of Ohio adopted the 2024 Ohio Existing Building Code (based on the 2021 IEBC). Ohio Rev. Code Ann. § 3781.10(A)(1) (authority) and Ohio Admin. Code § 4101:1-34-01 (adoption and amendments). 

Other Building Codes

Ohio’s building codes contain references to other codes that are applicable as references in limited scope as specified by the building or residential codes. These codes include: