BACKYARD OFFICE REQUIREMENTS:
Permit Restrictions
Planning permit: None required for units under 120 square feet
Building permit: None required for units under 120 square feet typically, but check with the building department to make sure specific usage does not impact this
A slab foundation (if needed) would not trigger a building permit
The addition of electrical would trigger a permit
An overhang would not count towards the unit square footage
Setback and Height Restrictions