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How to get a Journeyman Plumber license in Wisconsin

Wisconsin licenses plumbers statewide through the Wisconsin Department of Safety and Professional Services (DSPS).1 For the Journeyman Plumber license you need at least 576 clock hours2 of education and a passing score on the Wisconsin Journeyman Plumber license examination1. The board lists $10 for the application1, $180 for the initial license1 and $20 for the exam1, each a separate charge. You renew every 4 years3 and complete at least 24 hours of continuing education4.

Last checked · 27 official sources

Who issues it

Wisconsin Department of Safety and Professional Services (DSPS)

Training and experience

Training: at least 576 clock hours2

Exam

Wisconsin Journeyman Plumber license examination1

Fees the board lists

Application fee: $101
Initial license fee: $1801
Exam fee: $201

Renewal

Every 4 years3, at least 24 hours of continuing education4

From another state

License by endorsement and Exam waiver2 Details

On this page
  1. Wisconsin plumber licenses
  2. Applies to every license level
  3. Who needs a Journeyman Plumber license
  4. Requirements for a Journeyman Plumber license
  5. How to apply
  6. Renewal and continuing education
  7. Moving to Wisconsin with a license from another state
  8. Plumbing Apprentice
  9. Plumbing Learner Restricted Appliance
  10. Plumbing Learner Restricted Service
  11. Journeyman Plumber Restricted Appliance
  12. Journeyman Plumber Restricted Service
  13. Pipelayer
  14. Master Plumber
  15. Master Plumber Restricted Appliance
  16. Master Plumber Restricted Service
  17. Utility Contractor
  18. City and county rules
  19. Check a license or report a problem
  20. Laws and rules
  21. Common questions
  22. Plumber licenses in other states

Wisconsin plumber licenses

Wisconsin issues 11 plumber credentials. Each has its own section below; the table shows what each one covers and its headline requirements.

LicenseWhat it coversTraining or experienceExamApplication or license fee
Plumbing ApprenticeInstalls or modifies plumbing under the general supervision of a licensed master plumber while in a recognized apprenticeship contract.1–No1$151
Plumbing Learner Restricted ApplianceRestricted appliance: connecting items (appliances, stormwater-use or reclaimed-water supply) to an existing water distribution system where no direct drain connection is needed.1–No1$151
Plumbing Learner Restricted ServiceRestricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems. Works under the direct supervision of a master/journeyman plumber or master/journeyman restricted service.1–No1$151
Journeyman PlumberInstalls plumbing under the general supervision of a master plumber, master plumber-restricted or utility contractor (limited to the supervisor's license type).1Training 576 clock hours2Yes1$101
Journeyman Plumber Restricted ApplianceRestricted appliance: connecting items (appliances, stormwater-use or reclaimed-water supply) to an existing water distribution system where no direct drain connection is needed.1Experience 1,000 hours1Yes1$101
Journeyman Plumber Restricted ServiceRestricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems. Works under the general supervision of a master plumber or master plumber-restricted service.1Training 40 clock hours5
Experience 1,000 hours1		Yes1$101
PipelayerWater services, private water mains and building sewers from the street main to the immediate inside building perimeter (pipelayer works under the general supervision of a utility contractor, master plumber or master plumber-restricted service).1–No1$151
Master PlumberResponsible for plumbing installations; must use appropriately licensed or registered persons; apprentices work under a master plumber's general supervision.1Experience 3 years1Yes1$201
Master Plumber Restricted ApplianceRestricted appliance: connecting items (appliances, stormwater-use or reclaimed-water supply) to an existing water distribution system where no direct drain connection is needed.1Experience 2 years1Yes1$201
Master Plumber Restricted ServiceRestricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems.1Experience 2 years1Yes1$201
Utility ContractorWater services, private water mains and building sewers from the street main to the immediate inside building perimeter; must use appropriately licensed or registered persons.1–Yes1$101

Applies to every license level

These rules are the same for several of the Wisconsin plumber licenses on this page, so they are shown once here, with the licenses they apply to. Each license's own section lists only what differs.

1. Every license level (all 11)

Requirements

Background check
Applications with arrest/conviction records go to DSPS legal review.6
You can ask the board to review your record before you apply7

Fees

FeeAmountPaid toNotes
Duplicate or replacement license$151DSPS–
Petition for variance$2001DSPSOnly when petitioning for a variance (e.g. exam equivalency under s. 145.09(1m))

Each line is a separate charge as the board lists it. The board does not publish a combined total, so none is shown here.

How to apply

  1. Create an individual account in DSPS LicensE (plumber credentials need an individual account).489101112137141516 license.wi.gov489101112137141516
  2. DSPS reviews applications in about 10 days; track status with your PAR number.61718192052122232425
Processing time
About 10 days for DSPS review (some take longer).61718192052122232425

Renewal

Approved courses
Only DSPS-approved courses count; providers enter completions in LicensE.1

2. Every license level except Plumbing Apprentice

Renewal

If it expires
Renew late within one term after expiry with the application fee (and a $25 processing fee for late CE); after one term, reinstatement with a $200 administrative fee and possibly an exam.1

3. Every license level except Plumbing Apprentice, Plumbing Learner Restricted Appliance and Plumbing Learner Restricted Service

Renewal

How often
Every 4 years3
When it expires
Expires March 31 at the end of the 4-year term; renewal opens about 4 weeks before expiry in LicensE.41112137141516

4. Every license level except Plumbing Apprentice, Plumbing Learner Restricted Appliance, Plumbing Learner Restricted Service and Pipelayer

How to apply

  1. After DSPS approves your eligibility it sends exam instructions; pass with 70% (open book) and apply for the license within 3 months.620522232425

Renewal

Exemptions
Waiver may be requested for prolonged illness, disability or similar circumstances.1

5. Journeyman Plumber, Journeyman Plumber Restricted Appliance, Journeyman Plumber Restricted Service and Utility Contractor

Fees

FeeAmountPaid toNotes
Application fee$101DSPSNot refundable

Renewal

Late renewal
Late renewal fee: $101 (renewal filed after expiration but within one term)
Late renewal fee: $251 (continuing education completed after expiration)
Reinstatement fee: $2001 (more than one term after expiration (plus application and license fees))

6. Journeyman Plumber, Journeyman Plumber Restricted Appliance, Journeyman Plumber Restricted Service and Pipelayer

Fees

FeeAmountPaid toNotes
Initial license fee$1801DSPSNot refundable

Renewal

Renewal fee
$1803

7. Plumbing Apprentice, Plumbing Learner Restricted Appliance, Plumbing Learner Restricted Service and Pipelayer

Requirements

Exam
Not required1

Fees

FeeAmountPaid toNotes
Application fee$151DSPSNot refundable

How to apply

  1. Apply for the registration in LicensE, answer the attestation questions and pay the fees.17181921

Renewal

Late renewal
Late renewal fee: $151 (renewal filed after expiration but within one term)
Reinstatement fee: $2001 (more than one term after expiration (plus application and license fees))

8. Plumbing Learner Restricted Appliance, Plumbing Learner Restricted Service, Journeyman Plumber Restricted Appliance and Journeyman Plumber Restricted Service

Requirements

Also required
Ratio: at least one journeyman (or journeyman-restricted) per plumbing learner.1

9. Journeyman Plumber Restricted Appliance, Journeyman Plumber Restricted Service, Master Plumber Restricted Appliance and Master Plumber Restricted Service

Renewal

Continuing education
At least 12 hours each renewal period11121415

10. Master Plumber, Master Plumber Restricted Appliance, Master Plumber Restricted Service and Utility Contractor

Fees

FeeAmountPaid toNotes
Initial license fee$5001DSPSNot refundable
Exam fee$301DSPSNot refundable

Each line is a separate charge as the board lists it. The board does not publish a combined total, so none is shown here.

Renewal

Renewal fee
$5003

11. Journeyman Plumber, Journeyman Plumber Restricted Appliance and Journeyman Plumber Restricted Service

Fees

FeeAmountPaid toNotes
Exam fee$201DSPSNot refundable

How to apply

  1. Pay the application fee ($10) and examination fee ($20) and, after passing, the $180 license fee (card or ACH).41112

12. Plumbing Apprentice, Plumbing Learner Restricted Appliance and Plumbing Learner Restricted Service

Fees

FeeAmountPaid toNotes
Initial license fee$151DSPSNot refundable

How to apply

  1. Pay the application fee ($15) and the $15 registration fee (card or ACH).8910

13. Plumbing Learner Restricted Appliance, Journeyman Plumber Restricted Appliance and Master Plumber Restricted Appliance

What it covers

Restricted appliance: connecting items (appliances, stormwater-use or reclaimed-water supply) to an existing water distribution system where no direct drain connection is needed.1

14. Journeyman Plumber Restricted Appliance, Journeyman Plumber Restricted Service and Utility Contractor

How to apply

  1. Apply for the credential, answer the attestation questions and upload the documents listed for your route.20525

15. Master Plumber, Master Plumber Restricted Appliance and Master Plumber Restricted Service

Fees

FeeAmountPaid toNotes
Application fee$201DSPSNot refundable

How to apply

  1. Apply for the credential, choose "Licensure by Examination", and upload the Trades Experience Form signed by your witnesses (or engineering transcripts for the master route).222324
  2. Pay the application fee ($20) and examination fee ($30) and, after passing, the $500 license fee (card or ACH).71415

Renewal

Late renewal
Late renewal fee: $201 (renewal filed after expiration but within one term)
Late renewal fee: $251 (continuing education completed after expiration)
Reinstatement fee: $2001 (more than one term after expiration (plus application and license fees))

16. Journeyman Plumber and Master Plumber

Requirements

Also required
A master may exchange his or her license for a journeyman license and later exchange back without exam.1

Renewal

Continuing education
At least 24 hours each renewal period47

From another state

Military service members, veterans and spouses: Eligible veterans can request a Veterans Fee Waiver or Initial Credential Fee Reduction in the LicensE application.622

17. Plumbing Learner Restricted Appliance and Plumbing Learner Restricted Service

Requirements

Minimum age
16 years old1
High school diploma or GED
Required1

Renewal

How often
Every 2 years3
When it expires
Valid 2 years from the date of issuance.1

18. Pipelayer and Utility Contractor

Requirements

Minimum age
18 years old1

Who needs a Journeyman Plumber license

Installs plumbing under the general supervision of a master plumber, master plumber-restricted or utility contractor (limited to the supervisor's license type).1

Work that does not need this license:

  • Statutory exemptions in Wis.1

Requirements for a Journeyman Plumber license

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 5, group 6, group 11 and group 16 under Applies to every license level.

Education or training
At least 576 clock hours2
Related instruction is part of the apprenticeship; DSPS cites a 576-hour minimum for out-of-state 5-year programs.2
Experience
Complete a plumbing apprenticeship recognized under Wis. Stat. ch. 106 (or the federal Department of Labor) before the exam.1
Substitute: Out-of-state 5-year apprenticeship with at least 576 hours of related instruction.2
Exam
Wisconsin Journeyman Plumber license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)6
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.6
Two-part exam2
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1
Exam waived: Journeyman exam waived for out-of-state apprentices who passed another state's journeyman exam and practiced 5+ years under a substantially similar license with no discipline.2

How to apply

  1. Apply for the credential and upload the Bureau of Apprenticeship Standards letter showing you completed a plumbing apprenticeship.6

Renewal and continuing education

Renewal planner

Enter the expiration date printed on your Wisconsin Journeyman Plumber license. The count is worked out on your device from today's date; nothing is sent anywhere.

Moving to Wisconsin with a license from another state

These are the routes DSPS publishes for the Journeyman Plumber license. The other plumber licenses have their own routes in their sections below.

Route
License by endorsement
What the board says
Journeyman license without the Wisconsin exam for out-of-state apprentices who passed another state's journeyman exam and practiced at least 5 years under a substantially similar license with no discipline.2
Conditions
Upload the apprenticeship completion certificate and a Trades Experience Form.2
Route
Exam waiver
What the board says
Out-of-state 5-year apprenticeship graduates (576+ hours instruction) may sit the Wisconsin journeyman exam.2

Plumbing Apprentice

Installs or modifies plumbing under the general supervision of a licensed master plumber while in a recognized apprenticeship contract.1

Requirements

Experience
Must be entered into a plumbing apprentice contract recognized under Wis. Stat. ch. 106.1

Renewal

How often
Every year3
When it expires
Valid 1 year from the date of issuance.8
Renewal fee
$153
If it expires
Renew late within one term after expiry with the application fee (and a $25 processing fee for late CE); after one term, reinstatement with a $200 administrative fee and possibly an exam.1
Renewal requires proof the apprentice is still in a recognized apprenticeship contract.8

More rules for this license are shared with other levels: group 1, group 7 and group 12 under Applies to every license level.

Plumbing Learner Restricted Appliance

More rules for this license are shared with other levels: group 1, group 2, group 7, group 8, group 12, group 13 and group 17 under Applies to every license level.

Plumbing Learner Restricted Service

Restricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems. Works under the direct supervision of a master/journeyman plumber or master/journeyman restricted service.1

More rules for this license are shared with other levels: group 1, group 2, group 7, group 8, group 12 and group 17 under Applies to every license level.

Journeyman Plumber Restricted Appliance

Requirements

Education or training
Shop training in plumbing code (SPS 381-387), blueprint reading, and appliance and equipment servicing (no hours set).1
Experience
At least 1,000 hours of on-the-job training1
At least 1,000 hours of plumbing work as a registered learner-restricted appliance.1
Exam
Wisconsin Journeyman Plumber Restricted Appliance license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)20
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.20
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 5, group 6, group 8, group 9, group 11, group 13 and group 14 under Applies to every license level.

Journeyman Plumber Restricted Service

Restricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems. Works under the general supervision of a master plumber or master plumber-restricted service.1

Requirements

Education or training
At least 40 clock hours5
The board's words

“Forty hours of plumbing code chapters SPS 381 to 387”

Experience
At least 1,000 hours of on-the-job training1
One continuous year of plumbing work of at least 1,000 hours (DSPS: as a registered plumbing learner restricted service).1
Exam
Wisconsin Journeyman Plumber Restricted Service license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)5
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.5
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 5, group 6, group 8, group 9, group 11 and group 14 under Applies to every license level.

Pipelayer

Water services, private water mains and building sewers from the street main to the immediate inside building perimeter (pipelayer works under the general supervision of a utility contractor, master plumber or master plumber-restricted service).1

How to apply

  1. Pay the application fee ($15) and the $180 registration fee (card or ACH).13

More rules for this license are shared with other levels: group 1, group 2, group 3, group 6, group 7 and group 18 under Applies to every license level.

Master Plumber

Responsible for plumbing installations; must use appropriately licensed or registered persons; apprentices work under a master plumber's general supervision.1

Requirements

Experience
At least 3 years1
At least 1,000 hours of plumbing work per year for at least 3 years as a licensed journeyman plumber, OR an accredited civil/mechanical (plumbing-related) engineering degree.1
License you must hold first: Wisconsin journeyman plumber license (unless using the engineering degree or out-of-state routes).22
Substitute: Engineering degree route.22
Substitute: Out of state: current plumbing license and at least 8 years of plumbing experience, including 1,000 hours a year for at least 3 years under another state's or city's laws; or a 5-year out-of-state apprenticeship (576+ hours instruction) plus 3 years x 1,000 hours as a licensed journeyman.26
Exam
Wisconsin Master Plumber license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)22
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.22
Two-part exam26
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1
Exam waived: No exam to re-exchange a journeyman license back to the master license it came from.26

From another state

Route
Exam waiver
What the board says
No reciprocity without exam: out-of-state master applicants qualify to sit the Wisconsin master exam via "Comity (Out-of-State) and Examination" (current license + 8 years' experience, or 5-year apprenticeship + 3 years as a licensed journeyman).26

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 10, group 15 and group 16 under Applies to every license level.

Master Plumber Restricted Appliance

Requirements

Experience
At least 2 years1
At least 1,000 hours of plumbing work per year for at least 2 years as a licensed journeyman plumber or journeyman plumber-restricted appliance.1
License you must hold first: Licensed journeyman plumber or journeyman plumber-restricted appliance.23
Exam
Wisconsin Master Plumber Restricted Appliance license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)23
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.23
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 9, group 10, group 13 and group 15 under Applies to every license level.

Master Plumber Restricted Service

Restricted service: private onsite wastewater treatment systems (POWTS), building sewers and water services from the street main to just inside the foundation wall, and related outdoor systems.1

Requirements

Experience
At least 2 years1
At least 1,000 hours of plumbing work per year for at least 2 years as a licensed journeyman plumber or journeyman plumber-restricted service.1
License you must hold first: Licensed journeyman plumber or journeyman plumber-restricted service.24
Exam
Wisconsin Master Plumber Restricted Service license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)24
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.24
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 9, group 10 and group 15 under Applies to every license level.

Utility Contractor

Water services, private water mains and building sewers from the street main to the immediate inside building perimeter; must use appropriately licensed or registered persons.1

Requirements

Exam
Wisconsin Utility Contractor license examination1
Given by: DSPS or Pearson test sites (DSPS issues exam instructions after approving eligibility)25
Passing score: 70% on each part, open book1
When you can take it: DSPS must approve the qualifications (experience form, transcripts or apprenticeship letter) before exam instructions are sent.25
Retakes: Retake only failed parts, but all parts must be passed within one year of the first attempt; no-shows without 24 hours' notice count as failures.1
Time limit: Apply for the license within 3 months after passing.1

How to apply

  1. Pay the application fee ($10) and examination fee ($30) and, after passing, the $500 license fee (card or ACH).16

More rules for this license are shared with other levels: group 1, group 2, group 3, group 4, group 5, group 10, group 14 and group 18 under Applies to every license level.

City and county rules

Plumbing ApprenticeWisconsin licenses all plumbers at state level (DSPS). Milwaukee also licenses plumbing contractors who pull permits in the city (DNS Plumbing Inspection Section).27

City or countyWhat it requiresLink
MilwaukeePlumbing contractors must hold a City license to take out plumbing permits in Milwaukee; contact the DNS Plumbing Inspection Section.27Official page27

Check a license or report a problem

Before you hire a plumber in Wisconsin, you can confirm the license is current on the board's own search. Every board we cover in Wisconsin is on the Wisconsin license lookup page.

File a complaint
dsps.wi.gov6

Laws and rules

The requirements above come from these laws and board rules.

Common questions

How long does it take to get a Journeyman Plumber license in Wisconsin?

The rules set at least 576 clock hours2 before you can be licensed. On processing, the board says: About 10 days for DSPS review (some take longer).6

Can I transfer my plumber license to Wisconsin?

DSPS publishes these routes for the Journeyman Plumber license: license by endorsement2 and exam waiver2. Conditions and forms.

How often do you renew a Journeyman Plumber license in Wisconsin?

Every 4 years3. Continuing education: at least 24 hours4. The renewal fee is $1803.

Plumber licenses in other states

Sources

Every number and rule above links to one of these official pages. Select a footnote number to read the board's own words.

  1. Wis. Admin. Code ch. SPS 305 Licenses, Certifications and RegistrationsWisconsin Legislative Reference BureauDated August 1, 2025Checked November 7, 2026
  2. DSPS journeyman-plumber other application methodsWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  3. Credential Fees and Renewal DatesWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  4. DSPS journeyman-plumber pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  5. DSPS journeyman-plumber-restricted-service licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  6. DSPS journeyman-plumber licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  7. DSPS master-plumber pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  8. DSPS plumbing-apprentice pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  9. DSPS plumbing-learner-restricted-appliance pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  10. DSPS plumbing-learner-restricted-service pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  11. DSPS journeyman-plumber-restricted-appliance pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  12. DSPS journeyman-plumber-restricted-service pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  13. DSPS pipelayer pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  14. DSPS master-plumber-restricted-appliance pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  15. DSPS master-plumber-restricted-service pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  16. DSPS utility-contractor pageWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  17. DSPS plumbing-apprentice new licensureWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  18. DSPS plumbing-learner-restricted-appliance new licensureWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  19. DSPS plumbing-learner-restricted-service new licensureWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  20. DSPS journeyman-plumber-restricted-appliance licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  21. DSPS pipelayer new licensureWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  22. DSPS master-plumber licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  23. DSPS master-plumber-restricted-appliance licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  24. DSPS master-plumber-restricted-service licensure by examinationWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  25. DSPS utility-contractor new licensureWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  26. DSPS master-plumber other application methodsWisconsin Department of Safety and Professional ServicesChecked November 7, 2026
  27. Licensed ContractorsCity of Milwaukee Department of Neighborhood ServicesChecked November 7, 2026