Contractor Licensing in Wisconsin: Which Trades Need a License
Yes, Wisconsin requires a statewide license for 4 of 5 contractor trades, issued by the Department of Safety and Professional Services. Initial costs run $45 to $210.
Wisconsin requires a Dwelling Contractor certification for contractors building or remodeling one- and two-family dwellings, administered by the Department of Safety and Professional Services (DSPS). The state also licenses electricians, plumbers, and HVAC contractors at the state level through DSPS. There is no separate statewide general commercial contractor license or roofing license. Commercial contracting and roofing are regulated at the local level.
General Contractor
RequiredOversees and manages construction projects, coordinating subcontractors, materials, and timelines for residential and commercial builds.
View full requirements →Electrician
RequiredInstalls, maintains, and repairs electrical wiring, systems, and fixtures in residential, commercial, and industrial settings.
View full requirements →Plumber
RequiredInstalls and repairs water supply lines, drainage systems, fixtures, and appliances in buildings and other structures.
View full requirements →HVAC Technician
RequiredInstalls, services, and repairs heating, ventilation, air conditioning, and refrigeration systems.
View full requirements →Roofing Contractor
Not requiredInstalls, repairs, and replaces roofing systems on residential and commercial structures.
View full requirements →Wisconsin Licensing Overview
Wisconsin requires statewide licensing for 4 of 5 contractor trades. The licensed trades — general contractor, electrician, plumber, hvac technician — are regulated by the Department of Safety and Professional Services (DSPS). Roofing Contractor licensing is handled at the city and county level rather than statewide. Across all licensed trades, initial costs range from $45 to $210, including application fees, exams, license issuance, fingerprinting, and any other fees the state requires to obtain the license.
Wisconsin Contractor License Cost Summary
| Trade | Application | Exam | License | Bond | Est. Total |
|---|---|---|---|---|---|
| General Contractor | $15 | — | $30 | $25,000 | $45 |
| Electrician | $35 | $30 | $100 | — | $165 |
| Plumber | $10 | $20 | $180 | — | $210 |
| HVAC Technician | $15 | $25 | $160 | — | $200 |
| Roofing Contractor | Local — no statewide fees | ||||
Estimated totals include application, exam, license, and fingerprinting fees, plus any other fees the state requires to obtain the license. Bond amounts are separate and typically paid as an annual premium.
Set up the business before you apply in Wisconsin
Most states license the company as well as the person, so the application usually asks for an LLC or corporation and a registered agent in Wisconsin. Northwest forms the entity and acts as your registered agent — a flat fee, no upsell funnel.
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Form an LLC with Northwest→Recommended exam prep
Formal prep pays for itself against a $100+ retake. Many states examine contractors on two separate papers — the trade exam and a business and law exam — so we list the course covering both first, with trade-specific depth after.
Some links below are affiliate links. If you buy through them we may earn a commission at no extra cost to you.
Mometrix · SponsoredContractor License Online Study CourseFull online prep course covering the trade and business-and-law exams — video lessons, practice questions, and a study plan built for a first-try pass.See the course →
Mometrix · SponsoredContractor's Exam FlashcardsPortable flashcards for the high-frequency exam topics — a cheaper add-on for drilling terms and code references on the go.See the flashcards →Key Facts About Wisconsin Contractor Licensing
- GL insurance required: minimum $250,000 per occurrence for bodily injury, death, or property damage. Workers comp required if you have employees.
- Wisconsin does not require a statewide license for roofing contractors. Local permits may still apply.
- Only applies to one- and two-family dwelling construction
- Commercial contractor licensing is handled at the local/municipal level
- Must have a Dwelling Contractor Qualifier on staff or be a Qualifier yourself
You're licensed in Wisconsin — the next 30 days
Most of the steps below are required before your first paid job; the order is the order the state and its counties will ask for them.
Some links below are affiliate links. If you buy through them we may earn a commission at no extra cost to you.
Form the business and get an EIN.
The Department of Safety and Professional Services issues the Dwelling Contractor Certification; the business that invoices Wisconsin customers is a separate decision. A sole proprietorship is the default, an LLC keeps business liability off your personal assets, and either needs an EIN before the first payroll. Settle it before the license number goes on an estimate.
Post the bond.
Wisconsin requires a $25,000 surety bond. $25,000 surety bond for standard Dwelling Contractor license. Restricted license bond amount must equal the estimated cost of work performed. How contractor bonds work→
Carry the insurance the license requires.
Wisconsin requires general liability insurance for this license. GL insurance required: minimum $250,000 per occurrence for bodily injury, death, or property damage. Workers comp required if you have employees. Contractor insurance requirements→
Set up quoting, scheduling and invoicing before the first call.
Your first customers will ask for a written estimate and expect to pay by card on site. Most one-truck home-service businesses run that on field-service software; Housecall Pro is the one we link because it is built for this size of company and this link carries 20% off your first 12 months. Start a free trial of Housecall Pro→
Frequently Asked Questions
Does Wisconsin require a contractor license?
Yes, Wisconsin requires statewide licensing for 4 of 5 trades: general contractor, electrician, plumber, hvac technician. Roofing Contractor does not require a statewide license.
How much does a contractor license cost in Wisconsin?
Initial licensing costs range from $45 to $210 depending on the trade, including application, exam, license and fingerprinting fees, plus any other fees the state requires to obtain the license.
Does Wisconsin have license reciprocity with other states?
Wisconsin does not currently have reciprocity agreements with other states. Contractors from other states must apply and meet the full requirements.
What trades require a state license in Wisconsin?
Wisconsin requires statewide licenses for: general contractor, electrician, plumber, hvac technician. Roofing Contractor licensing is handled at the local level.
Do I need workers compensation insurance in Wisconsin?
GL insurance required: minimum $250,000 per occurrence for bodily injury, death, or property damage. Workers comp required if you have employees.
Official Wisconsin Licensing Resources
- Department of Safety and Professional Services (DSPS) — for general contractor, electrician, plumber, hvac technician