Wisconsin § 30.121 - Regulation of boathouses and houseboats.

§ 30.121. Regulation of boathouses and houseboats.

30.121(1) (1) Definition. In this section, the terms “maintain” and “repair” include replacing structural elements, including roofs, doors, walls, windows, beams, porches, floors, and foundations. 30.121(2) (2) Prohibitions. After December 16, 1979 no boathouse or fixed houseboat may be constructed or placed beyond the ordinary high-water mark of any navigable waterway. 30.121(3) (3) Maintenance and repair. The riparian owner of any boathouse or fixed houseboat extending beyond the ordinary high-water mark of any navigable waterway may repair or maintain the boathouse or fixed houseboat if the cost to repair or maintain the boathouse or fixed houseboat does not exceed 50 percent of the equalized assessed value of the boathouse or fixed houseboat and the repair or maintenance does not involve the placement of a floor over a wet bay on or after September 1, 2016. If the boathouse or fixed houseboat is not subject to assessment, the owner may repair or maintain the boathouse or the fixed houseboat if the cost of the repair or maintenance does not exceed 50 percent of the current fair market value of the boathouse or fixed houseboat and the repair or maintenance does not involve the placement of a floor over a wet bay on or after September 1, 2016. 30.121(3c) (3c) Exception; certain boathouses. Subsection (3) does not apply to repairing or maintaining a boathouse if the boathouse was in existence on December 16, 1979, and if all of the following apply to the repair or maintenance: 30.121(3c)(a) (a) It does not affect the size or location of the boathouse. 30.121(3c)(b) (b) It does not result in the boathouse being converted into living quarters. 30.121(3c)(c) (c) It does not involve the placement of a floor over a wet bay in the boathouse on or after September 1, 2016. 30.121(3g) (3g) Exception; historical or cultural value. Subsection (3) does not apply to repairing or maintaining a boathouse or a fixed houseboat if the boathouse or fixed houseboat has a historic or cultural value, as determined by the state historical society or a local or county historical society established under s.