Fitchburg, WI ADU Regulations

Fitchburg at a glance:

Maximum Size:

800 Sqft

Maximum Size:

75% of Primary Dwelling footprint

Height Limit:

25 ft

Side Setbacks:

5-10 ft

Rear Setback:

35 ft

Front Setback:

30 ft

Additional Information:

Owner Occupancy Required?

No

Conditional Use Permit Required?

No

Two Story Allowed?

Yes

Soils Report needed?

No

Park Impact Report Needed?

No

In Fitchburg, WI building an ADU is possible, but you'll need to navigate a few zoning restrictions. They've recently loosened up their regulations and ADUs are much more feasible. The City is generally supportive of ADUs, there are rules in place regarding size, occupancy, or location that might limit some projects. These restrictions can vary by neighborhood or lot size, so careful planning and possibly working with a local professional may be necessary to get your project approved. For homeowners who can work within these guidelines, adding an ADU can still be a great option.

Overall Feasibility Score:

7/10

Allowed Build Type

Detached ADU
Attached ADU

Get your free ADU property analysis + estimate today!

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

Get your free ADU property analysis + estimate today!

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

Get your free ADU property analysis + estimate today!

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

Get your free ADU property analysis + estimate today!

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

© 2025 Boundless Dwellings, Inc. DBA Boundless Tiny Homes

All Rights Reserved
Terms and ConditionsPrivacy Policy

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

© 2024 Boundless Dwellings

DBA Boundless Tiny Homes

All Rights Reserved

Terms and Conditions

Privacy Policy

We specialize in designing and building high-quality, custom ADUs that seamlessly blend with your property, using top-notch materials and craftsmanship.

© 2025 Boundless Dwellings, Inc. DBA Boundless Tiny Homes

All Rights Reserved
Terms and ConditionsPrivacy Policy