PLUMBING x DES MOINES x IOWA

Plumbing contractors in Des Moines, Iowa.

Plumbing contractors operating in Des Moines, Iowa, must navigate a dual-layer regulatory environment. At the state level, you are governed by the Iowa Plumbing and Mechanical Systems Board (PMSB), which mandates professional licensing. You must also ensure your business is registered with the Iowa Division of Labor if you meet the state's revenue threshold for construction contractors.

Locally, the City of Des Moines Development Services Department oversees the permitting and inspection process. All plumbing work must comply with the adopted Uniform Plumbing Code. It is essential to secure permits prior to commencing any significant plumbing work and to ensure all installations are inspected to maintain compliance with local safety and building standards.

State License
STATE PMSBIowa Board
Permit Issuer
Des MoinesDevelopment Services
Avg. Plan Review
3-5 DaysStandard
Typical Start-Up
RANGE $200-$600Reg/Fees
FILE · PLUMBING x DES MOINES x IOWA
Compliance Dossier
Public
File
05 / 2026
State AuthorityIowa Dept. of Public Health / PMSB
CountyPolk County
City AuthorityDes Moines Development Services
Statute / CodeUniform Plumbing Code (UPC)
Federal Cert.N/A
ReciprocityVerify with PMSB
FILE PLUMBINGLOCATION DES MOINES, IOWATYPE COMPLIANCE GUIDE
VERIFIED 05 / 2026STATUS PUBLIC REFERENCE
What's specific to Des MoinesWhat this leaf carries beyond the Iowa state file.
UPC Adoption
Des Moines strictly enforces the Uniform Plumbing Code, which differs from IPC-based jurisdictions.
Water Works Oversight
Des Moines Water Works maintains specific requirements for backflow and service line connections.
Online Permitting
The city utilizes a centralized online portal for all permit applications and inspection scheduling.
§ 01 · Permit Stack

Three layers govern Plumbing work in Des Moines.

State licensing is mandatory; local registration is required to pull permits within city limits.

State — Floor
Iowa PMSB
Professional LicenseContinuing Education
County — Overlay
Polk County Health
Septic/Well permits if applicable
City — Where you file
Des Moines Dev. Services
Contractor RegistrationPermit Application

Read it bottom-up.

State licensing is mandatory; local registration is required to pull permits within city limits.

This file exists to show what changes when the trade is Plumbing and the jurisdiction is Des Moines, Iowa.

Source · State, county, and city issuing authoritiesLast verified · 05 / 2026
§ 02 · Specs Ledger

Every requirement, with a number on it.

Each row names the issuing authority, cost, timeline, citation, and status behind the requirement.

RequirementIssued byCostTimeCitationStatus
State Plumbing LicenseRequired for all plumbing work
Iowa PMSB
Verify with PMSB
Varies
Iowa Code 105
REQUIRED
Construction Contractor RegIf annual revenue > $2k
Iowa Div. of Labor
$50
Immediate
Iowa Code 91C
REQUIRED
Plumbing PermitFor most installations
Des Moines Dev. Services
Fee Schedule
1-3 days
Des Moines Code
REQUIRED
General LiabilityStandard industry requirement
Private Carrier
Market rate
Immediate
Verify with City
REQUIRED
Workers CompRequired if employees present
Private Carrier
Market rate
Immediate
Iowa Code 87
REQUIRED
Backflow CertificationFor testing services
State/Local
Verify with Agency
Varies
Local Ordinance
REQUIRED
§ 03 · Year-One Cost

What it costs to start Plumbing in Des Moines.

A practical floor for Des Moines, Iowa. Verify each amount with the issuing authority.

Year-one ledger
Des Moines, Iowa · Plumbing
State License FeeInitial applicationVerify with PMSB
Contractor RegistrationAnnual fee$50
Plumbing PermitPer projectVariable
Plan Review FeeIf applicableVariable
Inspection FeePer tripVariable
BondingIf requiredMarket rate
Year-one floorVariable based on project scope
Excludes tools, vehicle purchase, payroll, and marketing.
Note
Permit Fees

Fees are calculated based on the total valuation of the plumbing work.

Note
Registration

Contractor registration is distinct from the state professional license.

Note
Late Fees

Work started without a permit may be subject to double permit fees.

§ 04 · Path to First Job

From day zero to first inspection.

A practical path for Plumbing contractors in Des Moines.

1
Day 0
Verify State License
Iowa PMSB
2
Day 1
Register with City
Des Moines
3
Day 2
Submit Permit App
Des Moines
4
Day 5
Permit Approval
Des Moines
5
Day 6
Perform Work
Contractor
6
Day 10
Final Inspection
Des Moines
§ 05 · Compliance Checklist

Check them off.

Each item names the issuing authority, cycle, and citation.

01
Verify License
Ensure your state license is current.
StatePMSBIowa Code 105
ContractorIssuing authority
02
Check Zoning
Verify project location zoning.
CityZoningDes Moines Zoning
ContractorIssuing authority
03
Apply for Permit
Submit plans via portal.
PermitCityDes Moines Code
ContractorIssuing authority
04
Post Permit
Display permit at job site.
ComplianceSiteDes Moines Code
ContractorIssuing authority
05
Schedule Inspection
Request rough-in inspection.
InspectionSafetyDes Moines Code
ContractorIssuing authority
06
Final Closeout
Obtain final sign-off.
CloseoutPermitDes Moines Code
ContractorIssuing authority
§ 06 · Local Enforcement Data

Violations cited most in Des Moines.

When confirmed local data is unavailable, this section stays marked for verification.

Commonly cited
Verify with agency

Unpermitted Work

Performing plumbing alterations without obtaining a permit.

PenaltyStop work order/Fines
Commonly cited
Verify with agency

Missing Inspections

Covering plumbing work before the inspector has approved it.

PenaltyRequired uncovering
Commonly cited
Verify with agency

Code Violations

Installation not meeting current UPC standards.

PenaltyCorrection order
§ 07 · Des Moines-specific FAQ

Questions Plumbing contractors ask about Des Moines.

Q01Do I need a local city license in addition to my state license?+
No, the State of Iowa PMSB license is the primary requirement, but you must register your business with the City of Des Moines to pull permits.
LicensingRegistrationSource · Des Moines Municipal Code
Q02What code does Des Moines follow for plumbing?+
Des Moines has adopted the Uniform Plumbing Code (UPC) with local amendments.
CodeUPCSource · Des Moines Development Services
Q03Are there specific requirements for backflow prevention?+
Yes, backflow prevention devices must be installed and tested by a certified technician per city ordinance.
BackflowSafetySource · Des Moines Water Works
Q04How do I schedule an inspection?+
Inspections can be scheduled through the City of Des Moines online permit portal or by calling the Development Services office.
InspectionPermitsSource · Des Moines Development Services
Q05Is a permit required for replacing a water heater?+
Yes, a plumbing permit is required for the installation or replacement of water heaters in Des Moines.
Water HeaterPermitsSource · Des Moines Development Services
Q06Where can I find the current fee schedule?+
The current fee schedule is available on the official City of Des Moines website under the Development Services section.
FeesCostsSource · City of Des Moines
§ 08 · Related

Adjacent files.

These are the documents Iris tracks for you.

Store licenses, permits, policies, and renewal dates in one place.