Home Occupation Permits: Madison vs Sun Prairie
How do home occupation permits rules compare between Madison, WI and Sun Prairie, WI?
Madison and Sun Prairie have similar restriction levels.
Madison, WI
Dane County
Madison regulates home occupations under MGO Chapter 28. Most home businesses are allowed by right with no external evidence of the business, no non-resident employees, and limited customer visits. No separate home occupation permit is required for compliant operations.
View full Madison rules →Sun Prairie, WI
Dane County
Home occupations in unincorporated Dane County are regulated under Chapter 10 (Zoning Ordinance). Most rural-residential and farmland-preservation districts list home occupations as a conditional use, requiring a Conditional Use Permit (CUP) from the Zoning and Land Regulation Committee. Agricultural-use businesses on farms generally rely on the Farmland Preservation framework instead.
View full Sun Prairie rules →Key Facts Comparison
| Fact | Madison | Sun Prairie |
|---|---|---|
| Code | MGO Chapter 28 | - |
| Permit | None for standard | - |
| Employees | 1 non-resident max | - |
| Signage | Residential limits | - |
| Conditional Use | If high impact | - |
| Governing Code | - | Dane County Chapter 10 (Zoning Ordinance) |
| Typical Status in Rural Districts | - | Conditional Use (requires CUP) |
| Approving Body | - | Zoning and Land Regulation Committee |
| Process | - | Town board recommendation + public hearing |
| On-Farm Business Path | - | FP-B rezone (Wis. Stat. ch. 91) |
| State Enabling Law | - | Wis. Stat. §59.69 (county zoning) |
| Contact | - | Dane County Planning 608-266-4266 |
Highlighted rows indicate differences between cities.
Madison FAQ
Do I need to register my home business with Madison?
Most home occupations do not require a separate city permit but must comply with MGO Chapter 28 standards. A seller's permit from the WI Department of Revenue is required for taxable sales.
Can clients come to my Madison home office?
Limited client visits are generally allowed. High-traffic uses like retail or regular classes may require a conditional use permit.
Sun Prairie FAQ
Do I need a permit to run a business from my home in unincorporated Dane County?
If the activity stays clearly incidental to the residence (no on-site employees, no client visits, no exterior signs, no use of accessory buildings), most rural-residential districts allow it as part of the underlying residential use. Once it goes beyond that scope, Chapter 10 typically requires a Conditional Use Permit from the Dane County Zoning and Land Regulation Committee. Confirm your specific zoning district at 608-266-4266.
How do I apply for a Conditional Use Permit for a home occupation?
File a CUP application with Dane County Planning & Development. Your town board issues a recommendation, then the Zoning and Land Regulation Committee holds a public hearing and applies the standard CUP findings in Chapter 10 (compatibility with the comprehensive plan, no harm to public health or safety, etc.). Process takes roughly 2-3 months.
I want to run a farm-based business — do I need a CUP?
On-farm businesses tied to the agricultural operation may be addressed through the Farmland Preservation - Business (FP-B) district rezone rather than a home-occupation CUP, depending on scale and Wis. Stat. ch. 91 eligibility. Talk to Dane County Planning before applying so you choose the right path.
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