Purpose of the RX (Residential--Small Lot) Zones

San Diego Municipal Code § 131.0404
in effect
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(a) The purpose of the RX zones is to provide for both attached and detached single dwelling units on smaller lots than are required in the RS zones. It is intended that these zones provide an alternative to multiple dwelling unit developments where single dwelling unit developments could be developed at similar densities. The RX zone provides for a wide variety of residential development patterns. (b) The RX zones are differentiated based on the minimum lot size as follows: • RX-1-1 requires minimum 4,000-square-foot lots • RX-1-2 requires minimum 3,000-square-foot lots Chapter 13: Zones (3-2026) 3
Source: amlegal_browserURL: https://codelibrary.amlegal.com/codes/sanfrancisco/latest/sfplanning/Fetched: 6/28/2026
§ 131.0404 | Corpus