Plymouth, Wisconsin Building Codes

Updated : 04/22/2024

Overview

Plymouth adopted the state residential code with amendments.  "The administrative code provisions describing and defining regulations with respect to one (1) and two (2) family dwellings in Chapters SPS 320 through 325 of the Wisconsin Administrative Code are hereby adopted and by reference made a part of this Chapter as if fully set forth herein. Any act required to be performed or prohibited by an Administrative Code provision incorporated herein by reference is required or prohibited by this Chapter."  Plymouth Municipal Code, Sec. 15-1-4.

Although the state residential building code only applies to new construction, Plymouth extends it in certain situations including:

(1) An existing building to be occupied as a one (1) or two (2) family dwelling, which building was not previously so occupied.
(2) An existing structure that is altered or repaired, when the cost of such alteration or repair during the life of the structure exceeds fifty percent (50%) of the equalized value of the structure, said value to be determined by the Building Inspector.
(3) Additions and alterations, regardless of cost, made to an existing building when deemed necessary in the opinion of the Building Inspector shall comply with the requirements of this Chapter for new buildings. The provisions of Sections 15-1-2 and 15-1-3 shall also apply.

Plymouth Municipal Code, Sec. 15-1-4.

Furthermore, Plymouth adopted the "Wisconsin Uniform Building Code." Id. The Southeastern Wisconsin Building Inspectors Association developed and maintains a Wisconsin Uniform Building Code.  See https://www.biasew.net/OneTwoFamily.htm (accessed 1/3/2014) and the Wisconsin Uniform Building Code (accessed 1/3/2014).  This model code adopts the state residential code and makes it applicable to existing structures. Id.  

Plymouth also adopted SPS 316 for electrical work in residences.  Plymouth Municipal Code, Sec. 15-1-6.

For commercial properties, Plymouth likewise adopts the state code.  "Chapters SPS 361-66 Wis. Adm. Code (Commercial Building, Code) are hereby adopted and made a part of this Chapter."  Plymouth Municipal Code, Sec. 15-1-5.

Wisconsin adopted the 2009 IBC.  It applies to "code applies to all public buildings and places of employment" with certain exception.  See Wis. Admin. Code § 361.02. The Code defines "public buildings" and "places of employment." Id.

 

Additional requirements and amendments can be found in Wis. Admin. Code § 362.

 

The highest authority is reserved by the state. See Wis. Admin. Code § 361.03. However, local jurisdictions may adopt stricter standard that are not in conflict. Id.  Furthermore, local jurisdiction, including counties, may take on inspection and review responsibilities.  See Wis. Admin. Code § 361.60

 

Wisconsin adopted the 2009 IEBC, subject to the modifications specified in chapter SPS 366.

Helpful resources for Plymouth, Wisconsin include the following.

Residential Building Code

Wisconsin adopted a statewide mandatory residential code that will control. Authority for local amendments will be limited.See PLRB, Wisconsin Building Codes for more information on state level codes.

Plymouth adopted the Wisconsin Uniform Residential CodeYou can find a copy of the code here.You can find information about amendments to the model code here.

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Wisconsin Uniform Dwelling Code(Plymouth, WI Sec. 15-1-4 - State uniform dwelling code adopted.)

...(8) Uniform Dwelling Code means those Administrative Code Provisions and any future amendments, revisions or modifications thereto, contained in the following chapters of the Wisconsin Administrative Code:...

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Comments

Plymouth adopted the state residential code with amendments.  "The administrative code provisions describing and defining regulations with respect to one (1) and two (2) family dwellings in Chapters SPS 320 through 325 of the Wisconsin Administrative Code are hereby adopted and by reference made a part of this Chapter as if fully set forth herein. Any act required to be performed or prohibited by an Administrative Code provision incorporated herein by reference is required or prohibited by this Chapter."  Plymouth Municipal Code, Sec. 15-1-4.

Furthermore, Plymouth adopted the "Wisconsin Uniform Building Code." Id. The Southeastern Wisconsin Building Inspectors Association developed and maintains a Wisconsin Uniform Building Code.  See https://www.biasew.net/OneTwoFamily.htm (accessed 1/3/2014) and the Wisconsin Uniform Building Code (accessed 1/3/2014).  This model code adopts the state residential code and makes it applicable to existing structures. Id.  

Plymouth also adopted SPS 316 for electrical work in residences.  Plymouth Municipal Code, Sec. 15-1-6.

One notable amendment provides, "Whenever more than twenty-five percent (25%) of the roof covering of a building is replaced in any twelve (12) month period, all roof covering shall be in conformity with applicable sections of this Chapter."  Plymouth Municipal Code, SEC. 15-1-1 BUILDING CODE ESTABLISHED.; (e) Existing Buildings.

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.

Although the state residential building code only applies to new construction, Plymouth extends it in certain situations including:

(1) An existing building to be occupied as a one (1) or two (2) family dwelling, which building was not previously so occupied.
(2) An existing structure that is altered or repaired, when the cost of such alteration or repair during the life of the structure exceeds fifty percent (50%) of the equalized value of the structure, said value to be determined by the Building Inspector.
(3) Additions and alterations, regardless of cost, made to an existing building when deemed necessary in the opinion of the Building Inspector shall comply with the requirements of this Chapter for new buildings. The provisions of Sections 15-1-2 and 15-1-3 shall also apply.

Plymouth Municiapl Code, Sec. 15-1-4.

Furthermore, Plymouth adopted the "Wisconsin Uniform Building Code." Id. The Southeastern Wisconsin Building Inspectors Association developed and maintains a Wisconsin Uniform Building Code.  See https://www.biasew.net/OneTwoFamily.htm (accessed 1/3/2014) and the Wisconsin Uniform Building Code (accessed 1/3/2014).  This model code adopts the state residential code and makes it applicable to existing structures. Id.  

 

Commercial Building Code

Plymouth adopted the 1996 BOCA National Building CodeYou can find a copy of the code here.You can find information about amendments to the model code here.

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Wisconsin Commercial Bldg. Code (2015 IBC)(Plymouth, WI Municipal Code)

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Comments

For commercial properties, Plymouth likewise adopts the state code.  "Chapters SPS 361-66 Wis. Adm. Code (Commercial Building, Code) are hereby adopted and made a part of this Chapter."  Plymouth Municipal Code, Sec. 15-1-5.

Wisconsin adopted the 2009 IBC.  It applies to "code applies to all public buildings and places of employment" with certain exception.  See Wis. Admin. Code § 361.02. The Code defines "public buildings" and "places of employment." Id.

Additional requirements and amendments can be found in Wis. Admin. Code § 362.

The highest authority is reserved by the state. See Wis. Admin. Code § 361.03. However, local jurisdictions may adopt stricter standard that are not in conflict. Id.  Furthermore, local jurisdiction, including counties, may take on inspection and review responsibilities.  See Wis. Admin. Code § 361.60

 

Existing Buildings

Wisconsin adopted the 2009 IEBC, subject to the modifications specified in chapter SPS 366.