Danville Regulations

BACKYARD OFFICE REQUIREMENTS:

Permit Restrictions

• Building permit: not required from a unit < 120 square feet with no electrical

• The addition of electrical would require a building permit

• Planning permit: Check specific addresses/zone with the planning department

Setback and Height Restrictions

• Maximum height: 15 feet

  • Any part of the structure inside the 10-foot setback must be < 12 feet

• Rear lot coverage: < 30% of the required rear yard

• Setback requirements:

  • Rear lot: 5 feet

  • Side lot: 5 feet

  • Can differ with the location of the structure

ADU REQUIREMENTS:

Zoning Restrictions

• All single-family homes are permitted to have ADUs

• All two-family homes are permitted to have ADUs

• All multi-family homes are permitted to have ADUs

Setback and Height Restrictions

• Height maximum (whichever of the following is greater):

  • 16 feet

  • the height of the existing primary home

• Setback requirements:

  • Rear lot: 4 feet

  • Side lot: 4 feet

Other Restrictions

• Short-term rentals < 30 days are not allowed

• If maximum lot size is < 40,000 square feet:

  • ADU can be < 1,200 square feet but must not be > 50% of the main homes square footage

• If maximum lot size is > 40,000 square feet:

  • ADU can be < 2,000 square feet but must not be > 50% of the main home square footage

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