R-8, R-10 and R-20 one-family dwelling districts in Arlington County
Applies to district codes matching R-?(8|10|20).
Rules last checked by a person on October 20, 2026. Guidance only; confirm with Arlington County before you build.
Shed
| Side setback | 1 ft to the eave edge (interior lots) |
|---|---|
| Rear setback | 1 ft to the eave edge (10 ft on corner lots) |
| Height and footprint | Under 1 1/2 stories or 25 ft, and under 650 sq ft, to use the 1 ft setbacks |
Garage
| Side setback | 1 ft to the eave edge (interior lots) |
|---|---|
| Rear setback | 1 ft to the eave edge (10 ft on corner lots) |
| Footprint cap | 650 sq ft |