Riverside, CA Historic Preservation: Historic-Cultural Monuments (2026)
Key Facts
- Board
- 9-member Cultural Heritage Board
- Owner consent
- Required before any designation
- Alteration permit
- Certificate of Appropriateness required
- Overlay zone
- Applied automatically on designation
- Criminal penalty
- Misdemeanor for unpermitted alteration
- Moratorium
- Up to 5 years after a violation
Summary
Riverside protects historic properties by designating them Landmarks or Structures/Resources of Merit under RMC Title 20, but only with the owner's prior written consent. Once designated, an owner needs a Certificate of Appropriateness from the Cultural Heritage Board or Historic Preservation Officer before altering, demolishing, or changing the appearance of the resource.
In addition to any and all other City permit requirements a Certificate of Appropriateness is required before any person restores, rehabilitates, alters, develops, constructs, demolishes, removes, or changes the appearance of any: 1.Designated Cultural Resource; 2.Eligible Cultural Resource; or 3.Any element in a geographic Historic District (contributing and non-contributing) or contributor to Neighborhood Conservation Area (contributor).
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 33).
Full Breakdown
050). 020); the city no longer creates new Neighborhood Conservation Areas. 010). 090). 015). 020) offers a property-tax reduction incentive tied to a maintenance contract.
Violations & Fines
Altering or demolishing a designated Landmark, Structure or Resource of Merit, or Historic District contributor without a Certificate of Appropriateness is a misdemeanor under § 20.40.020 and a declared public nuisance under § 20.40.030. The Community & Economic Development Director can issue a stop-work order (§ 20.40.040), and the City may compel retroactive compliance, order restoration with original materials, or, if restoration isn't feasible, impose a civil penalty equal to the full cost of restoring the resource plus enforcement fees, on top of up to a five-year moratorium on future approvals for the property (§§ 20.40.050-.060).
Frequently Asked Questions
Can Riverside designate my house a historic landmark without my permission?
Do I need city approval to remodel a designated historic home in Riverside?
What's the difference between a Riverside Landmark and a Structure of Merit?
What happens if I demolish a Riverside historic landmark without a permit?
Sources & Official References
Other rules in Riverside
California rules heatmap·Compare Riverside to another location·View the California historic preservation overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Historic-Cultural Monuments in Nearby Cities
How other cities in Riverside County handle historic-cultural monuments.