Updated : 04/22/2024

Overview

Sioux City, IA has adopted the 2015 International Codes, with amendments, including the 2015 IRC and IBC. Sioux City, IA, Muni. Codes § 20.04.030 (adoptions), § 20.04.040 (amendments).

Helpful resources for Sioux City, Iowa include the following.

• PLRB, Ordinance and Law Coverage Discussion for Iowa

Residential Building Code

Iowa adopted a model state residential code but it is not in force unless adopted locally.See PLRB, Iowa Building Codes for more information on state level codes.

Sioux City adopted the 2015 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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Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Sioux City ? Yes
Citation: § 20.04.040
Municipal Code https://online.encodeplus.com/regs/siouxcity-ia/doc-viewer.aspx#secid-3691
Comments:

Table R301.2 (1) Climatic And Geographic Design Criteria – is amended by inserting the following climate and geographical design criteria. The following Table shall be applicable to the General Design Requirements of the 2015 IRC and 2015 IBC.

Ground Snow Load	Ultimate Design Wind Speed (mph)	Seismic Design Category	Weathering (concrete masonry)	Frost Line Depth	Termite Damage
35	115	A	Severe	42 inches	Slight
Decay Damage	Winter Design Temp	Ice Shield Required	Flood Hazard NFIP Adopted	Air Freezing Index	Mean Annual Temperature
Slight	– 7 F	Yes	2015	2000	48.3 F

Government Officials

Comments

Delete sections R302.13, R309.5 and R313.1 through R313.2 NOTE: Deletion of section R313.1, which would have required the installation of sprinklers in newly constructed town houses.  Deletion of section R313.2, which would have required the installation of sprinklers in newly constructed one-and two-family residences. Sioux City, IA Muni Code § 20.04.040.

 

 

Commercial Building Code

Sioux City adopted the 2015 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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Existing Buildings

Sioux City, IA has adopted the 2015 IEBC. Sioux City, IA, Muni. Codes § 20.04.030 (adoption) and § 20.04.040 (amendments).

Other Building Codes