Updated : 04/22/2024

Overview

Waterloo, IA has adopted the 2015 International Codes, with amendments, including the 2015 IRC (for One and Two Family Dwellings) and IBC. Waterloo, IA Muni. Codes § 9-1-1 (adoptions) and § 9-1-2 (amendments).

Helpful resources for Waterloo, 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.

Waterloo 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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2015 IRC with Iowa amendments(Waterloo, IA 9-1-1: BUILDING CODES ADOPTED:)

...tional building Code, 2015 edition (hereafter to be known as the IBC), the International Residential Code for one- and two-family dwellings, 2015 edit...

2015 IRC with Iowa amendments(Waterloo, IA 9-1-1: BUILDING CODES ADOPTED:)

...9-1-1: BUILDING CODES ADOPTED: Certain documents, copies of which are on file and available in the office of the city clerk of the City of Waterloo, Iowa, being marked and designated as International Building Code, 2021 Edition, (hereafter to be known as the IBC), the International Residential Code for One and Two-Family Dwellings, 2021 Edition, (hereafter to be known as the IRC), and the International Existing Building Code, 2021 Edition, (hereafter to be known as the IEBC), published in 2021 by the International Code Council, Inc. be and the same are hereby adopted as the building codes of the City of Waterloo, Iowa, for regulating the erection, construction, enlargement, alteration, repair, moving, removal, demolition, occupancy, equipment, use, height, area and maintenance of all buildings and/or structures in the City of Waterloo, Iowa; providing for the issuance of permits and collection of fees therefore; providing penalties for the violation of such code; and each and all of the regulations, provisions, penalties, conditions, and terms of such International Building Code, 2021 Edition, and the International Residential Code for One and Two-Family Dwellings, 2021 Edition, and the International Existing Building Code, published in 2021 by the International Code Council, on file in the office of the city clerk are hereby referred to, adopted and made a part thereof as if fully set out in this chapter and are hereby adopted by this reference....

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Waterloo ? Yes
Citation: § 9-1-2
Municipal Code https://sterlingcodifiers.com/codebook/index.php?book_id=412&chapter_id=15789#s667543
Comments:

Section R301.2 Climatic And Geographic Design Criteria. Table R301.2(1). The IRC is hereby amended by modifying table R301.2(1) as follows:
 

Ground Snow Load	Wind Speed mph	Seismic Design Category	Subject To Damage From
			Weathering	Frost Line Depth	Termite	Decay
35 lbs. psf	90	A	Severe	42"	Moderate-heavy	Slight-moderate

Winter Design Temp	Ice Shield Underlayment Required	Flood Hazards	Air Freezing Index	Mean Annual Temp
-10 F	Yes	7-3-1985	2200	46.3

Government Officials

Comments

Section R313 Automatic Fire Sprinkler Systems – Delete this section in its entirety. Waterloo, IA Muni. Code § 9-1-2.

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.

Waterloo, IA has adopted the 2015 IRC including appendix J. Waterloo, IA Muni. Code § 9-1-2.

Commercial Building Code

Waterloo 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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2015 IBC with Iowa amendments(Waterloo, IA Municipal Code)

...Adoption not found...

2015 IBC with Iowa amendments(Waterloo, IA 9-1-1: BUILDING CODES ADOPTED:)

...9-1-1: building codeS ADOPTED:Certain documents, copies of which are on file and available in the office of the city clerk of the city of Waterloo...

Existing Buildings

Waterloo, IA has adopted the 2015 IEBC. Waterloo, IA Muni. Codes § 9-1-1 (adoption) and § 9-1-2 (amendments).

Other Building Codes