Purpose of the RS (Residential--Single Unit) Zones
San Diego Municipal Code § 131.0403
in effect(a)
The purpose of the RS zones is to provide appropriate regulations for the
development of single dwelling units that accommodate a variety of lot sizes
and residential dwelling types and which promote neighborhood quality,
character, and livability. It is intended that these zones provide for flexibility
in development regulations that allow reasonable use of property while
minimizing adverse impacts to adjacent properties.
(b)
The RS zones are differentiated based on the minimum lot size and whether the
premises is located in an Urbanized Community or a Planned Urbanized
Community or Proposition A Lands, as follows:
(1)
Urbanized Communities
•
RS-1-1 requires minimum 40,000-square-foot lots
•
RS-1-2 requires minimum 20,000-square-foot lots
•
RS-1-3 requires minimum 15,000-square-foot lots
•
RS-1-4 requires minimum 10,000-square-foot lots
•
RS-1-5 requires minimum 8,000-square-foot lots
•
RS-1-6 requires minimum 6,000-square-foot lots
•
RS-1-7 requires minimum 5,000-square-foot lots
2
Chapter 13: Zones
(3-2026)
(2)
Planned Urbanized Communities or Proposition A Lands
•
RS-1-8 requires minimum 40,000-square-foot lots
•
RS-1-9 requires minimum 20,000-square-foot lots
•
RS-1-10 requires minimum 15,000-square-foot lots
•
RS-1-11 requires minimum 10,000-square-foot lots
•
RS-1-12 requires minimum 8,000-square-foot lots
•
RS-1-13 requires minimum 6,000-square-foot lots
•
RS-1-14 requires minimum 5,000-square-foot lots
Source: amlegal_browserURL: https://codelibrary.amlegal.com/codes/sanfrancisco/latest/sfplanning/Fetched: 6/28/2026