The Village of Algonquin, IL

• Building Permit Application
• Projects with a construction cost greater than $10,000.00 will be required to be sealed by an Illinois licensed architect or structural engineer.
• Plat of Survey indicating the size and location of the proposed structure drawn to scale
• Detailed Construction Plans (indicating wall sections, lumber sizes and types, attachment method to existing structure, electric layout, etc.) drawn to scale
• Copy of Electrical and Roof License

• 0.75% of construction cost; $45.00 minimum
• Plan Review fee - 10% of the permit fee; $45.00 minimum
• Electrical: $0.30 per square feet of area; Minimum $45.00

• Zoning Setback Requirements
• Work must be started and completed within six (6) months of the issue date.
• After Permit is issued, as construction progresses, inspections are required. Click here to schedule inspections online. Or call us at (847) 658-2700, option 3.
• Screen Room vs. Three Season Room
  • A screen room is a structure constructed solely of supporting members and screening (except for a code complying guardrail where needed) and is supported on a footing consisting of minimum 12-inch diameter piers 42 inches below grade. Screen rooms proposed on an existing deck must have the piers exposed so the pier diameter may be verified. A screen room has only screening.
  • A three-season room is a structure enclosed by walls that include windows with glazing of any type including but not limited to glass, Lexan, Plexiglass, plastic or similar materials and an exterior finish similar to the home such as siding. A three-season room shall be supported on a continuous foundation within a minimum depth of forty-two inches below grade.
• General Electrical requirements
  • All doors leading to the exterior from the screen room or three-season room shall be equipped with an exterior light fixture.
  • The space created by the screen room and three-season room shall be supplied with an interior light fixture.
  • The interior light fixture shall be operational from the existing house door and new exterior door by use of a three-way switch or interior motion-sensing switch.
  • Electric in screen rooms shall be installed in either intermediate metallic conduit or rigid metallic conduit.
  • Electric in three-season rooms shall be installed in EMT conduit minimum.
  • A GFl-protected receptacle shall be installed on the exterior of the new space if one is not accessible from the exterior without entering the new space.
  • Contact JULIE at 811 or illinois1call.com before you dig.

International Residential Code 2018  |  International Building Code 2018  | International Fire Code 2018  |  International Mechanical Code 2018  |  International Fuel Gas Code 2018  |  National Electrical Code 2017  |  Current Illinois State Plumbing Code  |   International Energy Conservation Code 2018  |  International Existing Building Code 2018  |  International Property Maintenance Code 2018  |  Illinois Accessibility Code 2018

Please note that this checklist is not intended to be all-inclusive. Due to changes in codes, regulations, and ordinances, other requirements may apply.

For further information regarding the Village's regulations for building permits, please contact the Community Development Department at 847-658-2700, press 3 or email at permits@algonquin.org or submit Online form.