Title 17 — ZONING REGULATIONS CITY OF SAN LUIS OBISPO

Chapter 17.22 — HIGH-DENSITY RESIDENTIAL (R-4) ZONE

San Luis Obispo Zoning Code · 2026-06 edition · ingested 2026-07-06 · San Luis Obispo

17.22.010 – Purpose and Application

The R-4 zone is intended primarily to provide for attached dwellings with common outdoor areas and compact private outdoor spaces, and to accommodate various types of group housing. Further, the R-4 zone intended to allow for dense housing close to concentrations of employment and college enrollment, in the Downtown core, along transit corridors and nodes, a nd in areas largely committed to high-density residential development.

17.22.020 – Development Standards

  • A. General Development Standards. The general property development standards for the R-4 zone shall be as set forth in Table 2-10: R-4 Zone Development Standards. See also Section 16.18.030 (Subdivisions; Lot Dimensions) for minimum lot dimensions.
Table 2-10: R-4 Zone Development Standards Table 2-10: R-4 Zone Development Standards Table 2-10: R-4 Zone Development Standards Table 2-10: R-4 Zone Development Standards
Development Standard R-4 Zone Additional Regulations
Maximum ResidentialDensity 24 units/net acre See also Section17.70.040 (Density) 17.16.010.
Regardless of the density calculation, at least four units shall
be allowed on each parcel; except this shall not apply to
common interest subdivisions that conforms with minimum lot
size for the R-4 zone.

size for the R-4 zone.
Minimum Setbacks
Front 10 feet See also Section XXXXXXX: 17.76.030 (Front Yard Paving)
~~.. ~~
Interior Side and Rear See Section 17.22.020.B, Table 2-11: R-4
Setbacks.
Zone Minimum Interior Side and Rear
Corner Lot-Street Side 1510feet
Maximum Building Height 35 feet See also Sections17.22.020.B (Interior Side and Rear
Setback Standards) and 17.70.080 (Height Measurement
and Exceptions). 17.16.020 and 17.16.040

and Exceptions).
.. ..
Maximum Lot Coverage 60%
See also Section		 17.70.120 (Lot Coverage )17.16.030
Minimum Lot Area 5,000 square feet See also Section
16.18.030 (Subdivisions;
Lot Dimensions)
Edge Condition Requirements See Section17.70.050 (Edge Conditions) XXX
  • B. Interior Side and Rear Setback Standards. The interior side and rear setback standards for the R-4 zone shall be as set forth in Table 2-11: R-4 Zone Minimum Interior Side and Rear Setbacks. See also Figure 2-6: R-4 Zone Minimum Interior Side and Rear Setbacks and Building Height.

Table 2-11: R-4 Zone Minimum Interior Side and Rear Setbacks

Table 2-11: R-4 Zone Minimum Interior Side and Rear Setbacks Table 2-11: R-4 Zone Minimum Interior Side and Rear Setbacks Table 2-11: R-4 Zone Minimum Interior Side and Rear Setbacks
Maximum Building Height Minimum Required Setback
Apoint this high on the roof of a building: Must be at least this far from thepropertyline:
1 – 13 feet 5 feet(minimum setback)
14 – 17 feet 6 feet
18 – 22 feet 7 feet
23 – 26 feet 8 feet
27 – 31 feet 9 feet
32 – 35 feet 10 feet
Note: See also Section XX.XXX.XX17.70.050.D.2(Edge Conditions - Setbacks).
..

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CITY OF SAN LUIS OBISPO ZONING REGULATIONS – TITLE 17

Figure 2-6: R-4 Zone Minimum Interior Side and Rear Setbacks and Building Height

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CITY OF SAN LUIS OBISPO ZONING REGULATIONS – TITLE 17