Key Findings
Cheapest License
UDC Inspector — $60
Application only; no exam fee
Most Expensive License
Master Plumber — $500
Application + exam + license + first renewal
Average First-Year Cost
$247
Across all 10 major trade licenses
Biennial Renewal Average
$78
Renewal fees due every 2 years

Full Rankings

Wisconsin Professional License Cost Comparison10 entries
#Municipality / ItemValueDetail
1UDC Inspector$60Application: $60 | Exam: $0 | License: included | Renewal: $60/2yr
2Dwelling Contractor Qualifier (DCQ)$120Application: $25 | Exam: $35 | License: $60 | Renewal: $60/2yr
3HVAC Qualifier$155Application: $25 | Exam: $50 | License: $80 | Renewal: $80/2yr
4Journeyman Electrician$170Application: $25 | Exam: $65 | License: $80 | Renewal: $80/2yr
5Fire Sprinkler Contractor$200Application: $40 | Exam: $60 | License: $100 | Renewal: $100/2yr
6Elevator Mechanic$225Application: $25 | Exam: $75 | License: $125 | Renewal: $100/2yr
7Journeyman Plumber$245Application: $25 | Exam: $70 | License: $150 | Renewal: $75/2yr
8Master Electrician$305Application: $25 | Exam: $80 | License: $200 | Renewal: $100/2yr
9Soil Tester$340Application: $40 | Exam: $100 | License: $200 | Renewal: $75/2yr
10Master Plumber$500Application: $25 | Exam: $100 | License: $375 | Renewal: $100/2yr

Insights

The Dwelling Contractor Qualifier (DCQ) is the most commonly obtained license and also one of the cheapest at $120 total first-year cost. It is required for anyone contracting to perform residential building work under Wisconsin's Uniform Dwelling Code.

Master Plumber is the most expensive license at $500 total first-year cost, driven primarily by the $375 license fee. However, master plumbers can pull permits and supervise journeymen, making the investment worthwhile for those running a plumbing business.

Continuing education requirements add to the ongoing cost beyond renewal fees. Electricians need 24 CE hours per biennium, plumbers need 16 hours, and HVAC qualifiers need 12 hours. CE courses typically cost $150-$400 per cycle depending on the provider.

Exam failures require repayment of the exam fee for each retake. The DSPS allows unlimited retakes, but each attempt costs the full exam fee. Pass rates for first-time takers range from 60% (Master Plumber) to 85% (DCQ).

Many municipalities require separate local contractor registration in addition to state DSPS licensing. Milwaukee charges $120 for contractor registration, and Madison charges $75. These local fees are not included in the figures above.

Methodology

Costs represent the total first-year expense to obtain each license from the Wisconsin Department of Safety and Professional Services (DSPS), calculated as the sum of application fee, exam fee, initial license fee, and prorated first renewal. Exam fees are those charged by the DSPS-contracted testing provider. Continuing education costs, local registration fees, insurance requirements, and business licensing fees are excluded. All fees verified against the DSPS fee schedule published January 2026.

Frequently Asked Questions

How much does a contractor license cost in Wisconsin?

The Dwelling Contractor Qualifier (DCQ), which is the primary contractor license in Wisconsin, costs $120 in total first-year fees ($25 application + $35 exam + $60 license). Biennial renewal is $60. Specialized trade licenses range from $60 (UDC Inspector) to $500 (Master Plumber).

What is the most expensive trade license in Wisconsin?

The Master Plumber license is the most expensive Wisconsin trade license at $500 total first-year cost, including a $375 license fee. The Master Electrician license is next at $305. Both licenses allow the holder to supervise journeymen and pull permits independently.

How often do Wisconsin trade licenses need to be renewed?

All Wisconsin DSPS trade licenses renew on a biennial (2-year) cycle. Renewal fees range from $60 (DCQ, UDC Inspector) to $100 (Master Electrician, Master Plumber). Most licenses also require continuing education hours to be completed before renewal.

Do I need both a state license and local registration to do contractor work in Wisconsin?

In most major Wisconsin cities, yes. State DSPS licensing (DCQ, trade licenses) is required statewide, but many municipalities also require separate local contractor registration. Milwaukee charges $120 for local registration, Madison charges $75, and Green Bay charges $50. Check your municipality's requirements.

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