Compare ADU zoning rules across 3 North Carolina cities. Average ADU score: 7.0/10.
| City | Max Size | Setbacks | Permit Fees | Build Cost | 1BR Rent | Score |
|---|---|---|---|---|---|---|
| Charlotte | 1,000 heated sq ft, and no more than 50% of the principal dwelling's floor area (whichever is less) when in an accessory structure | 15 feet | $2,200-$3,800 | $115,000-$230,000 | $1,250-$1,700/mo | 7/10 |
| Durham | Up to 1,200 heated sq ft (UDO Sec. 5.4.2); must remain subordinate in size to the primary dwelling | 15 feet | $2,300-$3,900 | $120,000-$240,000 | $1,300-$1,750/mo | 7/10 |
| Raleigh | 800 sq ft | 5 feet (rear lot line, per UDO Sec. 3.6.2; 20 ft if abutting an alley with parking, 4 ft alley without parking) | $2,100-$3,600 | $110,000-$220,000 | $1,200-$1,650/mo | 7/10 |
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