Des Moines, Iowa Plumbing Local Permit Ordinances and Codes
1. Authority Having Jurisdiction (AHJ)
The City of Des Moines Permit and Development Center (PDC) is the Authority Having Jurisdiction for plumbing permits in Des Moines, Iowa. The PDC consolidates city resources and expertise for permitting and development services.
2. Local Zoning and Fee Nuances
Plumbing permits are required for most plumbing work in Des Moines, including adding new fixtures, replacing water heaters, or re-piping a house. However, minor repairs like fixing a leaky faucet or clearing a stoppage are typically exempt. The cost of plumbing permits can range from $50 to $600, with fees often calculated based on the estimated project value. More specific fee structures are available, with examples including a base fee for plumbing permits, plus unit fees for water service installations and interior water piping based on the number of fixtures. For instance, a plumbing permit for new dwellings has a fee of $206.00, while alterations and additions to existing dwellings have a different fee structure. Zoning and land use fees may also apply in certain situations.
Licensed contractors registered with the city are generally required to pull plumbing permits. The City of Des Moines also requires contractors to hold a valid mechanical or plumbing contractor license issued by the State of Iowa Plumbing and Mechanical Systems Licensing Board to apply for and obtain permits for plumbing work. A contractor's bond of $5,000.00 is also required prior to the issuance or renewal of a plumbing contractor's license.
Permit applications are typically submitted online through the City's Customer Self-Service (CSS) portal. The typical approval time for plumbing permits is about two weeks, though more complex projects may take longer.
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Because Des Moines is located within Polk County, the following broader county regulations may also apply to your project:
Iowa, Polk County Plumbing Permit Regulations and County Ordinances for Unincorporated Areas
Polk County Plumbing Permit Requirements
Polk County Building Services is responsible for reviewing plans, issuing permits, and inspecting construction within the unincorporated areas of the county. They have adopted the 2021 International Codes for residential, commercial, and industrial projects, as well as the State Plumbing, Mechanical, Electrical, and Energy Codes. Plumbing permits are required for any work involving the construction, alteration, relocation, or repair of water, drain, waste, or vent systems. Minor repairs, such as simple fixture replacements or leak stopping, may not require a permit, but it's advisable to confirm with the Building Department.
For properties in unincorporated areas, Polk County Building Services handles all permit and inspection processes. This includes new construction, additions, alterations, renovations, and repairs that involve structural elements or any electrical, plumbing, fuel gas, fire systems, pollutant storage tanks, on-site underground utilities, signs, or mechanical systems.
To apply for a building permit, including plumbing permits, you can typically use the Polk County online permit portal. Contractors need to register as such before submitting an application. If you prefer a paper application, you can contact the staff. The online portal allows for tracking permit progress, requesting inspections, communicating with inspectors, and paying fees. For inspection requests, call 515-286-3705.
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The following statewide building codes and regulations apply universally to all jurisdictions within Iowa:
Iowa Plumbing Legislation, Codes, and Guidelines
State Statutes and Plumbing Codes
The state of Iowa regulates plumbing installations through the Iowa State Plumbing Code, which is established under the authority of Iowa Code Chapter 105. The state has adopted the 2024 edition of the Uniform Plumbing Code (UPC), published by the International Association of Plumbing and Mechanical Officials (IAPMO), as the base technical standard. This adoption is codified in the Iowa Administrative Code (specifically Chapter 25), which includes state-specific amendments to the model code. Local jurisdictions in Iowa are prohibited from adopting other plumbing codes, though they may adopt additional amendments provided those requirements are stricter than the state-adopted code.
Regulatory Board and Agencies
The primary state entity responsible for the regulation and licensing of plumbing professionals is the Iowa Plumbing and Mechanical Systems Board (PMSB). The board operates under the Iowa Department of Inspections, Appeals, and Licensing (DIAL). The PMSB is tasked with licensing individuals at various levels—including apprentices, journeypersons, masters, and contractors—and overseeing the enforcement of state laws and technical standards related to plumbing and mechanical systems.
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