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Large residential house with backyard porch and patio .jpg

 Residential Addition
(Screen Porch, Attached Garage, Etc.) 
Permit Application Process

STEPS to Obtain
the Building Permit:

Sunset through the screened in porch.jpg
  • Gather required documents #1- #9 (see below) to make complete application packet. 
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  • Submit complete application packet via email to office@allcroix.com. You will be sent an email back stating it was received.  You can also drop it off in the office during Walk-in Office Hours.  (See the Contact Us page for details.)
 
  • Wait patiently for permit application to be reviewed.  The review process may take up to 10 business days to complete. (This timeline is dictated by state code and the countdown starts upon the receipt of a complete packet.)  Plan accordingly.
 
  • Pick up and pay for your permit.  When your permit is ready for payment, an email will be sent with the cost and instructions for paying if you are in a township.  If you are building in a City or Village, the City or Village will contact you for payment and pick up.
 
  • Begin inspection process. To find out more about the inspection process, click here. 
DOCUMENTS Needed for Application Packet:

RS Means is a division of Reed Business Information that provides cost information to the construction industry so contractors in the industry can provide accurate estimates and projections for their project costs.

There are other free websites that can also help you evaluate the cost of your job.

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1. Residential Addition Building Permit Application
  • Filled out in its entirety, signed, and dated.
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2. Subcontractor List
  • Please include the name, contact details, and license numbers of the subs you are hiring.   Subcontractors must be licensed in Wisconsin.
 
3. Cautionary Statement
  • We must have this for homeowners doing their own work or hiring a contractor that does not have a valid Dwelling Contractor Qualifier License in the State of WI.
 
4. Floor Plans
  • Floor plans can be hand drawn but please include labels with room use, room sizes, door sizes, and window size.
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5. Construction plans
  • Provide proper detailing of building dimensions, material types, spans, sizes, spacing.  In lieu of professional blueprints, the Building Cross Section Aid may be submitted.
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6. Land Use/Zoning/Conditional Use Permit​​
 Note: A Land Use or Zoning permit is NOT the same as a building permit.​
  • It is up to the applicant to make sure that all zoning regulations are being followed.  This includes but is not limited to making sure there are not restrictions on what you intend to use the structure for, how many structures are allowed, the height of a structure, and the physical landscape of the lot (i.e. slopes, ponds, rivers, easements, protected areas....)  Your building permit only addresses construction codes etc.  Anything relating to the above is outside All Croix's responsibility.   If you are unsure who to contact about zoning,  click here.​
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7. Copy of a Sanitary Permit or Occupancy Affidavit (St. Croix County) or Per Capita Flow Statement (Pierce County)
     (Not applicable if you have municipal water and sewer.)
  • If you are adding a bedroom, you will also need to provide us with a copy of your sanitary permit showing how many bedrooms your septic is rated for. 
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  • If adding a bedroom puts you over your septic rating, you will need to obtain an Occupancy affidavit/Per Capita Flow Statement from the County in which the project is located.
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8. CSM (Certified Survey Map) or Plat Map showing setbacks​
  • ​Contact the Register of Deeds (at the County.)  Ask if there is a CSM or a COMPLETE plat map for the property you are building on.   If there is, you must provide a copy of it.  If the property does have plat map associated with it, we need a copy of the COMPLETE plat map--not just a section of it.    If a CSM or plat map is not available for your property, you will need to contact the zoning administrator to see what the property is zoned and what your setbacks are.
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9. Site Plan 
  • If you obtained a zoning permit, you can submit that site plan to us with your application. If you do not have a site plan from a zoning permit application, you must create one. The site plan should detail addition placement to the existing structure, any other structure locations, the well location, septic area, drainage easements, property easements, driveway location, utility placement and any other pertinent information.  All distances must be clearly labeled to determine if setbacks are met. This includes distances from the new house to any roads,  lot lines,  well, septic, driveway, easements and any other other structures   You may also show Erosion Control on this site map.  
 
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