RM-3 Zone in Philadelphia, PA
RM-3 zoning district rules in Philadelphia, PA. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RM-3 zone in Philadelphia, PA is a residential district (Residential Mixed Density). Permits a range of residential density from single-family through multi-family, often applied in transition areas between low-density and higher-density zones.
Common Permitted Uses
- Single-family homes
- Duplexes
- Small apartment buildings
Permits a range of residential density from single-family through multi-family, often applied in transition areas between low-density and higher-density zones.
Parking Requirements
Single-family: 1 space per dwelling in RSD zones; 0 required in RSA rowhouse zones. Philadelphia rowhouses typically lack garages — street parking is the norm in dense neighborhoods. Multi-family: 0.5–1 space per unit. RM zones in Center City and inner neighborhoods often have reduced or zero minimums due to transit access.
Source: Philadelphia Code Title 14 (Zoning and Planning) — Accessory Residential Units; Philadelphia Construction Code. Last verified April 6, 2026. View source