Single Family Addition

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 - $2.05 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.

*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:

Construction Submittal Requirements

The following will apply during the course of construction:

Final Inspection Checklists

Additional Resources