Wisconsin Statutes Regulation and Licensing (Ch. 440 to 480) § 443.15. Exempt buildings

(1) Nothing in this chapter prevents any person from advertising and performing services, including consultation, investigation, evaluation, in connection with and making plans and specifications for, or supervising the erection, enlargement or alterations of any of the following buildings:

(2) Nothing in this chapter prevents any person, firm or corporation from making plans and specifications for or supervising the erection, enlargement or alteration of any new building containing less than 50,000 cubic feet total volume or addition to a building which by reason of such addition results in a building containing less than 50,000 cubic feet total volume or structural alteration to a building containing less than 50,000 cubic feet total volume. Nothing in this chapter prevents any person, firm or corporation from making repairs or interior alterations to buildings which do not affect health or safety.

(3) Any multiple family building having a common roof and party walls shall be deemed a single building for purposes of this section.

(4) This section does not apply to inspection and service work done by employees of insurance rating bureaus, insurance service bureaus, insurance companies or insurance agents.