When the location of any part of the exterior walls and roof of a single family residence are changed, an addition permit is required. Examples would be single or multi-story addition, screen or open porch with roof, 3-season room, etc. See below for permit submittal requirements and for general construction information.

Application Requirements

• Permit Application Packet - Documents below have been combined into this one PDF file.
  1. Building Permit Application
  2. Zoning Worksheet – Residential
  3. Building Site and Utility Data Worksheet
  4. Water Service and Meter Worksheet
  5. Fire Protection – Letter of Understanding (separate Fire Protection permit required)
  6. Contractor of Record (Contractor License Requirements / Contractor License Application)

Application Fees & Deposits

• Building Construction and Inspection Fee - $1.70 per square feet of floor area (One of the fees due at time of permit pick-up)
• Permit Application Deposit - $250 (Due at time of permit application submission)
• Additional fees may apply at time of permit pick-up

Drawing Requirements (To Be Submitted With Permit Application)

Please review the Residential Plan Review Checklist prior to submitting your drawings and read through the Common Residential Plan Submission Mistakes.

• Construction Documents - 4 sets* (See Architectural Drawing Requirements)
• Civil Engineering Drawings - 4 rolled sets*
  • Civil Engineering Submittal Guidelines - Under 400 Square Feet
  • Civil Engineering Submittal Guidelines - Over 400 Square Feet
• Plat of Survey - 4 copies (survey must be sealed and be “to scale”)

*The Village of Northbrook Standard Detail Sheet should be included within the civil engineering drawing set.

Separate Permit Requirements

The following may occur with the construction of a new single family residence and require a separate permit:

• Back-Up Generator
• Deck/Patio (if not shown on the approved drawings for the new residence)
• Elevator
• Fence
• Finish of Basement/Attic Space (if not shown on the approved drawings for residence)
• Mission Brook Sanitary District Sewer Application - For properties located within the Mission Brook Sanitary District
• Swimming Pool (Indoor or outdoor)
• Tree Removal

Construction Submittal Requirements

The following will apply during the course of construction:

• Energy Certificate and Instructions - Included in permit documents returned to applicant upon permit pick-up
• Permit Revision Application
• Spot/Location Survey Approval

Required Inspections

• Inspection Information For Single Family Residential Permits
  • Final Inspection Checklists - Building, Electrical/Mechanical, Plumbing)

Additional Resources

• Insulation Change During Construction
• Basic Zoning Information
• Certificate of Occupancy Request
• Energy Code (2015 IECC) Information
• Impervious Surface Fee Information
• Impervious Surface Fee Map
• Typical Residential Building Construction Notes