Signage Rules: Madison vs Sun Prairie
How do signage rules rules compare between Madison, WI and Sun Prairie, WI?
Sun Prairie has fewer restrictions than Madison.
Madison, WI
Dane County
Madison prohibits exterior signage for home occupations in residential zones under MGO 31 and 28.151. One small nameplate is generally allowed. Illuminated or commercial-style signs are not permitted.
View full Madison rules →Sun Prairie, WI
Dane County
Signage for home businesses in unincorporated Dane County is regulated through Chapter 10 zoning. Residential districts typically allow small, non-illuminated signs only.
View full Sun Prairie rules →Key Facts Comparison
| Fact | Madison | Sun Prairie |
|---|---|---|
| Code | MGO 31 and 28.151 | Dane County Chapter 10 |
| Allowed | 2 sq ft nameplate | - |
| Prohibited | Freestanding, illuminated | - |
| Sandwich Boards | Not allowed | - |
| Vehicles | Personal only | - |
| Residential (TR) Zones | - | Small, non-illuminated signs typical limit |
| Agricultural Zones | - | More permissive |
| Topic | - | Signage |
Highlighted rows indicate differences between cities.
Madison FAQ
Can I put a sign in my yard for my business?
No. Madison prohibits yard signs for home occupations. One small flat nameplate only.
Can I advertise on my car parked out front?
A normal branded vehicle used for business is fine. A car used solely as a parked billboard is not.
Sun Prairie FAQ
Can I put a sign in my yard for my home business in rural Dane County?
Small, non-illuminated signs are generally permitted for home businesses in residential zones. For your specific zoning district, contact Dane County Planning at 608-266-4266.
Are illuminated home-business signs allowed in Dane County TR zones?
No, residential-transitional (TR) districts typically prohibit illuminated signs for home occupations. Agricultural zones are more permissive about lighting.
Does Wisconsin DOT review home-business signs near state highways in Dane County?
Yes. Signs visible from or within the right-of-way of a state highway may require review from Wisconsin DOT in addition to any Dane County zoning approval.
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