ADU rules in Fitchburg, WI — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Fitchburg permits 'dependency living arrangements' (ADUs) as a conditional use in R-L Low Density and other residential districts under §22-57. The accessory unit may not exceed 750 sq ft, one of the two units must be owner-occupied, and at least one interior doorway must connect the units. Separate front entrances are prohibited unless required for handicapped accessibility. Authority: Wis. Stat. §62.23.
Fitchburg Zoning Code Ch. 22 treats ADUs as 'dependency living arrangements' rather than standalone units. §22-57 lists them as a conditional use in the R-L district (with parallel listings in R-LM/R-M conditional-use sections §22-91 and §22-114). The unit must be a complete, self-contained dwelling with its own bath and kitchen, but cannot be larger than 750 sq ft. One of the two units must be owner-occupied except during bona fide temporary absences, and the other unit must house the care provider or dependent person. The structure must keep one shared interior doorway and avoid a second front entrance unless ADA accessibility requires it. Conditional use approval is granted by the Plan Commission per §22-23 procedures. Wisconsin's enabling authority is Wis. Stat. §62.23 (city zoning); Fitchburg has no statewide ADU preemption like California's SB 9.
Operating an unpermitted second dwelling unit is a zoning violation; remedies include stop-work orders and forfeitures under Ch. 22 enforcement provisions.
Fitchburg, WI
Fitchburg regulates amplified music under the general noise ordinance. Sound amplification permits available for events. WI Stat. §947.01 applies.
Fitchburg, WI
Fitchburg considers excessive barking a nuisance. Animal control handles complaints. WI Stat. §174 covers dog regulation statewide.
Fitchburg, WI
Fitchburg enforces quiet hours typically 10 PM to 7 AM. Noise disturbances enforceable under WI Stat. §947.01 (Disorderly Conduct).
Fitchburg, WI
Fitchburg enforces street parking restrictions locally. Winter alternate-side parking critical. No statewide consecutive parking limit. WI Stat. §346.503 app...
Fitchburg, WI
Fitchburg restricts commercial vehicle parking in residential zones. Weight, size, and signage limits apply. Overnight heavy truck storage prohibited.
Fitchburg, WI
Fitchburg requires vehicles parked on improved surfaces. Front lawn parking prohibited. Driveway modifications require permits.
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