New wiring or replacement     
      of existing wiring
New or upgraded service panel


Electrical
5211 N. US Hwy. 51 Janesville, WI, 53545
Ph# (608) 359-6200
Residential Building Permit Requirements
City of Janesville
Below are general guidelines about home improvement/construction activities and whether
or not a permit from the City of Janesville is required. This list is not intended to address
every situation, and depending upon the scope of work involved, permits may be required in
some situations where the table indicates a permit is not required. If you have any questions
regarding permit requirements before starting construction, please contact:             
Community Development at (608) 755-3060
New wiring or replacement            
       of existing wiring
New or upgraded                            
  service panel
Replacement of existing            
switches, outlets, light fixtures
Additional switches,                        
outlets,light fixtures
Replacement of existing toilets,   
    tubs, faucets, or fixtures
Additional toilets, tubs,                
faucets, or other fixtures
Replacement of water heater
Replacement of existing or           
  installation of new water             
softener in house previously        
 plumbed for water softener
Installation of new water
softener in house not previously
    plumbed for water softener
Replacement of existing or           
installation of new central air        
            conditioner
Replacement of existing or           
 installation of new furnace
Construction of roof over an         
             existing deck
Repair of existing deck (except    
       structural components)
New deck or enlargement of     
                   existing
Replacement of roof (re-roof or   
                   tear-off)
Modification or repair of existing
        roof trusses or rafters
Installation of siding
Window replacement with             
     same size window
Window replacement with             
 larger window (or smaller             
      window if bedroom)
Addition to existing home
New sunroom
Finishing of basement
New walls or demolition of            
          existing walls
Repair or replacement of               
  existing driveway/walk
Enlargement of existing                 
           driveway  
New fence
Repair of an existing fence
Hot tub
Category         Work performed               

Electrical
Plumbing        
   Work
HVAC Work
Decks



Building
Improvements
 

Fences


Pools
&
Hot Tubs
Yes

Yes
No
Yes
No
Yes
No

No

Yes

Yes
Yes
Yes
No

Yes
Pool 30 inches in depth and         
                 under
Pool over 30 inches in depth
Under 80 square feet
Over 80 square feet
Category         Work performed            
Sheds
(max. 120 sq ft)

No (*)

Yes
No (*)

No (*)

Yes
Yes
Yes
Yes
Yes
No
No       
(***)
Yes
No
Yes

No
Yes
No
Yes
(*) Except in Courthouse Hill Historic District where permit is required.
(***) Unless the curb opening is also widened which would require a permit.
Y/N
Y/N
Madison Community &Economic Development Unit
Main receptionist Phone Number: 1 (608) 266-4222
www.ci.madison.wi.us
Beloit Community Development
www.ci.beloit.wi.us/
Stoughton Dept. Of Planning & Development
Rodney Scheel  1 (608) 873- 6619
www.ci.stoughton.wi.us/
Whitewater Community Development
Phone number: 1 (262) 473-0525
OFFICE HOURS Monday-Friday 9 AM-6 PM
Emergency 24 hr... (608) 757-9291
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