RSA-1 Zone in Philadelphia, PA
RSA-1 zoning district rules in Philadelphia, PA. Permitted uses, setbacks, height limits, and lot coverage requirements.
The RSA-1 zone in Philadelphia, PA is a residential district (Suburban Residential). Lower-density residential with larger setbacks and lot sizes than standard residential zones. Common in outer suburban areas and early-generation subdivisions.
Common Permitted Uses
- Single-family homes
Lower-density residential with larger setbacks and lot sizes than standard residential zones. Common in outer suburban areas and early-generation subdivisions.
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