Development Review, Land Divisions & Enforcement Division

The Development Review, Land Divisions & Enforcement Division assists individuals, businesses, professionals and governmental entities by uniformly administering and enforcing plans, policies, and ordinances to manage development in a sustainable, planned, efficient and environmentally sound manner.

The following County ordinances are administered and enforced by this division:

Note: In addition to County Ordinances, each Town in Rock County has local zoning ordinances. However, in most instances, the Town's information regarding zoning on a specific parcel of land is available by contacting this department. Additionally, some Town digital zoning maps are available for viewing on this site.   

*** For Stormwater, Erosion Control and Non-metallic mining ordinances, visit the Land Conservation Website. ***


Agency Information

Rock County Courthouse
East Wing, Room 266
51 South Main Street
Janesville, WI  53545

Phone:  (608) 757-5587
Fax:      (608) 757-5586

Monday - Friday Hours:
8:00 AM - 12:00 PM
1:00 PM    5:00 PM

Acting Director
Colin Byrnes

Email Planning 

Rock County, State of Wisconsin
All Rights Reserved