Rialto, CA Zoning Overlays & Bonuses: Downtown Design Guide (2026)
Key Facts
- Applies to
- Riverside Ave overlay zone parcels
- Approval needed
- Precise plan of design
- Approving official
- Community development director
- Setbacks
- No standard minimum required
- Governing section
- RMC 18.49.030
- Appeal path
- Planning commission, then city council
Summary
The Downtown Revitalization Overlay Zone under Chapter 18.49 requires community development director approval of a precise plan of design before any exterior demolition, alteration, or removal of a structure along the designated stretch of Riverside Avenue. Section 18.49.030 also sets a duty to maintain buildings in good repair and waives standard building setbacks to preserve the district's tight street wall.
A.Demolition, Alteration, Removal or Change Prohibited Without Approval.1.No person shall demolish, remove alter or materially change the exterior appearance of any structure or portion of any structure visible from a public street or alley which would require the issuance of a building permit, nor shall any building permit for such work be issued without first having applied for and received approval of a precise plan of design by the community development director....C.Applicable Development Standards—Rialto Central Area Specific Plan.1.All development standards as established and adopted as part of the Rialto Central Area Specific Plan shall apply to the downtown revitalization overlay zone unless specifically stated within this section.2.There shall be no required building setbacks for structures from property lines.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 39).
Full Breakdown
49 creates the Downtown Revitalization Overlay Zone, which applies to all properties fronting the portion of Riverside Avenue between the former Southern Pacific Railroad and the AT&SF Railroad, layered on top of whatever base zoning already applies to those parcels. 030(A) prohibits demolishing, removing, or materially changing the exterior appearance of any structure visible from a public street or alley without first obtaining approval of a precise plan of design from the community development director, and a demolition permit cannot issue unless the director finds the structure is not a significant architectural or historical asset to the district.
72's property maintenance and nuisance procedures. Subsection C layers in the development standards of the Rialto Central Area Specific Plan and eliminates the standard building setback requirement, since the community development director may require a setback only as a discretionary condition to enhance the district's architectural integrity rather than as a fixed minimum. 68.
Violations & Fines
Demolishing, altering, or materially changing a building's exterior in the overlay zone without first securing precise plan of design approval violates Section 18.49.030(A) and can be halted or reversed by the community development director. Letting a structure fall out of good repair under subsection B is treated as a nuisance abatable under Chapter 18.72, which can result in city-ordered rehabilitation, repair, or demolition with the cost assessed as a lien against the property.
Frequently Asked Questions
Do I need city approval to change a building's exterior downtown?
Are there setback requirements in Rialto's downtown overlay zone?
What happens if a downtown building isn't kept in good repair?
Sources & Official References
Other rules in Rialto
California rules heatmap·Compare Rialto to another location·View the California zoning overlays & bonuses overview
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