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Foundation Plan Drawing Requirements

If the foundation is slab on grade or non-standard construction, you must submit a professionally engineered, stamped design.

Use the following checklist to ensure your foundation plan is complete. A sample foundation plan is shown below.

The foundation plan must show, as a minimum (other features not listed here should also be identified):

  • Project location
  • Designer’s name and Building Code Identification Number (BCIN), if applicable
  • Scale of drawings
  • Cross-section symbol
  • Exterior walls
  • Exterior dimensions
  • Interior dimensions
  • Structural members and lintels, including sizes, materials, and lengths
  • Perimeter/interior footings
  • Existing attached structures
  • Interior column pads
  • Interior partitions
  • Room sizes and names
  • Door sizes and locations
  • Window sizes and locations
  • Heating appliances
  • Fireplace or woodstove location
  • Plumbing fixtures
  • Bathroom fans
  • Sump pit and pump
  • Weeping tiles
  • Smoke alarm and carbon monoxide detectors


Sample Drawing of Foundation Plan for detached house