Accessory Structures in Janesville, WI (2026)
1 verified accessory structures rules for Janesville, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Shed & Carport Rules
In the City of Janesville, a detached garage or accessory building must sit at least five feet from any other building on the lot and comply with district setbacks under Code § 42-362, and cannot exceed 120 square feet unless it qualifies as a garage, capped at 750 square feet.
Janesville Accessory Building Size and Setback Limits
Some RestrictionsJanesville Code of General Ordinances § 42-362(2), (3), (6)
(2)Except as otherwise regulated herein, any accessory building or structure hereafter erected, altered, enlarged, or moved on a lot shall conform with the following:a.No detached garage or accessory building shall be nearer than five feet from the nearest portion of any other building on the lot.b.All detached garages and accessory buildings must comply with the front yard and corner side yard...
Looking for Rock County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Janesville city rules.
Accessory Structures in Rock County →