Urban (U-) single unit, two unit and row house in Denver
Applies to district codes matching U-(SU|TU|RH).
Rules last checked by a person on October 19, 2026. Guidance only; confirm with Denver before you build.
Shed
| Height, no zoning permit (Minor Detached, Option B) | 14 ft, 1 story |
|---|---|
| Footprint, no zoning permit | 200 sq ft |
| Location | At least 10 ft behind 75% of the front facade |
| Side interior setback | 0 ft if entirely in the rear 35% of the lot, otherwise 5 ft |
| Rear setback | 5 ft (0 ft where an alley abuts the rear line) |
| Side street setback | 5 ft |
| Bigger than that (General Detached, zoning permit) | 1 story, 17 ft, bulk plane 10 ft at 45° |
Garage
| Height | 1 story, 17 ft; bulk plane 10 ft at 45° |
|---|---|
| Location | At least 10 ft behind 75% of the front facade |
| Side interior setback | 0 ft entirely in rear 35% of lot; otherwise 5 ft (3 ft on lots 30 ft wide or less) |
| Rear setback | 5 ft; on an alley 5 ft if doors face the alley, 0 ft if they don't |
| Footprint | 1,000 sq ft (U-SU); 1,000 sq ft per unit (TU, RH) |
| Length | 36 ft max (SU and TU) |
ADU
| Height | 2 stories, 24 ft |
|---|---|
| Location | Rear 35% of the lot depth |
| Side setback | 3 ft on lots 40 ft wide or less; 5 ft on wider lots |
| Rear setback | 5 ft (0 ft on an alley when garage doors don't face it) |
| Footprint | 864 sq ft on lots of 7,000 sq ft or less; 1,000 sq ft on larger lots |