When are plans required to be sealed by an Architect or Engineer?

The following plans are required to be sealed:

  • Plans for residential single-family homes under 3,500 square feet in calculated floor area can be drawn by the owner, builder or architect, etc. 
  • Plans for residential construction over 3,500 square feet of calculated floor area must be prepared by or under the direct supervision of a licensed architect/engineer. The construction documents must include the name and address of the design professional and bear that individual's original signature, seal, and date.
  • All commercial plans shall also bear the design professional's original signature, seal and date (exception: work deemed of minor nature by the Building Official). Residential-Single Family Homes over 3,500 square feet in area and commercial projects are required to be sealed by an architect or engineer.

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1. Are there any projects that do not require plan review?
2. Who may submit plans for plan review?
3. When are plans required to be sealed by an Architect or Engineer?