Administrative overview · FIPS 55105
Rock County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Rock County Planning, Economic and Community Development Agency
For a project in or near Rock County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
608-757-5587
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Rock County Courthouse, East Wing, Room 266, 51 South Main Street, Janesville, WI 53545
Operating hours
Monday-Friday, 8:00 AM-4:30 PM Central; call ahead because staff may not be available for walk-in service
Review expectation
Ask the agency for its current review estimate
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Rock County
Who handles permitting for this jurisdiction?
Rock County Planning, Economic and Community Development Agency is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact 608-757-5587.
How long might review take?
A typical review timeline was not verified. Ask the agency for its current completeness and review estimate.
How are inspections scheduled?
Call Rock County Planning at 608-757-5587 to arrange or confirm county zoning-site, shoreland, floodplain or airport-overlay compliance review; appointments are recommended. Contact the applicable town, city or village separately to schedule building-code, UDC and trade inspections. Shoreland land-disturbance or stormwater inspections may also involve County Land Conservation.
Which codes and exemptions should I review?
Rock County administers Chapter 4.1 land division and management, Chapter 4.2 shoreland and county-owned-land zoning, Chapter 4.3 airport overlay zoning, Chapter 4.4 floodplain zoning, Chapter 4.5 highway access control and Chapter 4.6 rural addressing, plus zoning-site permits under agreements with certain towns. Every town retains local zoning authority and town records control; building codes, Wisconsin UDC permits and construction inspections are administered by the applicable town, city or village. No specific exemption summary was verified; request written confirmation before treating work as permit-exempt.