Permit Required? Required
Typical Fee Range $1,400–$3,000 Includes zoning, building, and impact fees for new habitable space.
Fee Method Valuation-based
Apply Online Apply at Planning and Development Department →

What's Required in Raleigh

  • Full architectural and structural plan set required.
  • Must meet zoning standards for lot occupancy and setbacks.
  • Maximum size capped at 1,000 square feet or 50% of the main house size.
  • Requires a separate water/sewer connection or verified shared capacity.
  • Must contain permanent provisions for living, sleeping, eating, and cooking.
  • Owner-occupancy of the primary or secondary unit may be required.

How to Get a ADU Permit in Raleigh

1

Step 1: Zoning Review

Verify if your property allows for an ADU based on district rules.

2

Step 2: Design Documents

Prepare detailed site plans, elevations, and building sections.

3

Step 3: Portal Submission

Apply for an ADU permit; pay plan review fees upfront.

4

Step 4: Comprehensive Review

Planning, Building, and Public Utilities review the project.

5

Step 5: Multi-Stage Inspections

Full series from footings to final certificate of occupancy.

Frequently Asked Questions

Yes, ADUs can be detached or attached, including garage conversions.
Raleigh ADU rules may require an off-street parking space depending on the zone.
Initial reviews for new residential structures typically take 10-15 business days.