Zoning Report
Riverside, CA Zoning
Riverside uses the City of Riverside Municipal Code, primarily Title 19 (Zoning), to regulate land use and development. The source set confirms a city zoning framework with multiple residential zones, formal variance procedures, Planning Commission review infrastructure, and adopted zoning amendments through at least spring 2026. The available research is strongest for residential districts, variance/permit procedures, and a few recent zoning changes, but it is incomplete for many citywide commercial, industrial, parking, and overlay details.
Last researched May 2026
Zoning Districts in Riverside, CA
RA-5 Residential Agricultural
Very low-density residential/agricultural district intended for large lots and general agriculture with single dwellings.
Allowed uses: General Agriculture, Single Dwelling
RC Residential Conservation
Residential district for hillside and arroyo areas with conservation-oriented standards.
Allowed uses: Single Dwelling
RR Rural Residential
Low-density rural residential district allowing single dwellings and animal keeping.
Allowed uses: Single Dwelling, Animal Keeping
RE Residential Estate
Estate-style residential district with large lots and some agricultural character.
Allowed uses: General Agriculture, Single Dwelling
R-1-1/2 acre
Single-family residential district for large-lot detached housing.
Allowed uses: Single Dwelling
R-1-13000
Single-family residential district with moderately large suburban lots.
Allowed uses: Single Dwelling
R-1-10500
Single-family residential district with smaller suburban lots than R-1-13000.
Allowed uses: Single Dwelling
R-1-8500
Single-family residential district for conventional detached housing lots.
Allowed uses: Single Dwelling
R-1-7000
Single-family residential district for relatively compact detached housing lots.
Allowed uses: Single Dwelling
R-3-4000
Multi-family residential district allowing multiple dwellings at lower multifamily intensity than other R-3 districts in the handout.
Allowed uses: Multiple Dwellings
R-3-3000
Multi-family residential district allowing multiple dwellings at medium multifamily density.
Allowed uses: Multiple Dwellings
R-3-2500
Higher-density multifamily residential district in the available residential zone handout.
Allowed uses: Multiple Dwellings
Recent Zoning Changes
The code library shows the Riverside Municipal Code was updated online April 17, 2026 and codified through Ordinance No. 7757, enacted March 10, 2026. Recent adopted zoning-related items specifically include Ordinance No. 7761 amending billboard sign regulations and approval/appeal authority, Ordinance No. 7759 amending Innovation District Overlay Zone provisions, and Ordinance No. 7758 rezoning about 14.42 acres in the Innovation District overlay area from Housing Emphasis/Employment Emphasis to Industrial Emphasis.
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