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Seven Quick and Basic Points about Building Contractor Registration

1. Working under one of five Wisconsin building codes requires registration as a Building Contractor, except . . .

2. Define "construction" in terms of Building Contractor Registration.

3. Does a one-person business need the Building Contractor Registration?

4. Do subcontractors need to register as Building Contractors?

5. Hiring subcontractors with the Building Contractor Registration.

6. Employees don't need to register as Building Contractors.

7. Issuing permits related to Building Contractor Registration.

Here is a group of Frequently Asked Questions concerning the BCR.


  1. Working under one of five Wisconsin building codes requires registration as a Building Contractor, except . . .

Construction businesses in Wisconsin working on a building or structure under any of these codes:
 - commercial building,
 - plumbing,
 - uniform dwelling,
 - electrical, or
 - swimming pools

must be registered with the Safety and Buildings Division as a Building Contractor unless the business falls under two exceptions.

1. The person/business works only on property they own or lease.
2. The business already holds another type of contractor credential: dwelling contractor certification; dwelling contractor – restricted certification; manufactured home manufacturer license; manufactured home dealer license; manufactured home installer license; electrical contractor certification; electrical contractor – restricted certification; HVAC contractor registration; elevator contractor license.


  2. Define "construction" in terms of Building Contractor Registration

Construction means installing, altering, or repairing any building element, component, material, or device regulated under:
- Comm 60 to 66, Wisconsin Commercial Building Code
- Comm 20 to 25, Wisconsin Uniform Dwelling Code
- Comm 16, Wisconsin Electrical Code
- Comm 81 to 87, Wisconsin Plumbing Code
- Comm 90, Wisconsin Public Swimming Pools and Water Attractions Code.

Construction does not include demolition, maintenance, the delivery of building supplies or materials, or the manufacture of a building product off the building site.


  3. Does a one-person business need the Building Contractor Registration?

A one-person / sole proprietor contractor business needs the Building Contractor Registration if the work is governed by these Wisconsin codes:
- Comm 60 to 66, Wisconsin Commercial Building Code
- Comm 20 to 25, Wisconsin Uniform Dwelling Code
- Comm 16, Wisconsin Electrical Code
- Comm 81 to 87, Wisconsin Plumbing Code
- Comm 90, Wisconsin Public Swimming Pools and Water Attractions Code

 - and they do not hold another Safety and Building Division contractor **credential.

** Dwelling contractor certification; dwelling contractor – restricted certification; manufactured home manufacturer license; manufactured home dealer license; manufactured home installer license; electrical contractor certification; electrical contractor – restricted certification; HVAC contractor registration; elevator contractor license.


  4. Do subcontractors need to register as Building Contractors?

Subcontractors must have a Building Contractor Registration if their work is governed by these Wisconsin codes:
- Comm 60 to 66, Wisconsin Commercial Building Code
- Comm 20 to 25, Wisconsin Uniform Dwelling Code
- Comm 16, Wisconsin Electrical Code
- Comm 81 to 87, Wisconsin Plumbing Code
- Comm 90, Wisconsin Public Swimming Pools and Water Attractions Code

 - and the subcontractor does not hold another Safety and Building Division contractor **credential.

** Dwelling contractor certification; dwelling contractor – restricted certification; manufactured home manufacturer license; manufactured home dealer license; manufactured home installer license; electrical contractor certification; electrical contractor – restricted certification; HVAC contractor registration; elevator contractor license.


  5. Hiring subcontractors with the Building Contractor Registration

Registered Building Contractors cannot subcontract work to any business that does not have a Building Contractor Registration, if the work is governed by these Wisconsin codes - commercial building, plumbing, uniform dwelling, electrical, or swimming pools - and the subcontractors do not hold a Safety and Building Division contractor **credential.

** Dwelling contractor certification; dwelling contractor – restricted certification; manufactured home manufacturer license; manufactured home dealer license; manufactured home installer license; electrical contractor certification; electrical contractor – restricted certification; HVAC contractor registration; elevator contractor license


  6. Employees don't need to register as Building Contractors

The Wisconsin Building Contractor Registration is for businesses, not for employees of a construction contractor business.


  7. Issuing permits related to Building Contractor Registration

A Wisconsin municipality may not issue a building permit for a commercial building construction activity unless the requester holds a Building Contractor Registration, holds one of these contractor **credentials, or unless the requester is working only on property they own or lease.

** Dwelling contractor certification; dwelling contractor – restricted certification; manufactured home manufacturer license; manufactured home dealer license; manufactured home installer license; electrical contractor certification; electrical contractor – restricted certification; HVAC contractor registration; elevator contractor license.

A Wisconsin municipality may not issue a Uniform Dwelling Code building permit unless the requester is the owner who resides in the dwelling or the requester provides proof of the Dwelling Contractor Certification and the Dwelling Contractor Qualifier Certification.  The Building Contractor Registration does not qualify a business to obtain Uniform Dwelling Code permits.


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Email this page's manager, Todd Taylor, ttaylor@commerce.state.wi.us or 608-267-3606

The Department of Commerce Safety and Buildings Division is an equal opportunity service provider and employer. If you need assistance to access services or need material in an alternate format, please contact us, 608-266-3151, TDD Relay dial 711 in Wisconsin or 800-947-3529, or ttaylor@commerce.state.wi.us