Costa Mesa, CA Historic Preservation: Historic-Cultural Monuments (2026)
Key Facts
- Governing article
- Municipal Code Title 13, Article 14
- Approval body
- Planning commission
- Age threshold
- 50+ years, exceptions allowed
- Required permit
- Certificate of appropriateness
- Demolition standard
- CEQA hardship finding required
Summary
Costa Mesa designates local landmarks and historic districts on its Register of Historic Places, and once listed, a cultural resource cannot be altered, restored, relocated, or demolished without a certificate of appropriateness from the planning commission under Municipal Code Section 13-200.10.
Certificate of appropriateness required. No person, owner, or other entity shall restore, rehabilitate, alter, develop, construct, demolish, remove or change the appearance of any cultural resource on the local Register of Historic Places without first having applied for and been granted a certificate of appropriateness to do so by the planning commission (or other commission/committee designated by the city council).
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4894290; v9 updated 2025-11-18).
Full Breakdown
9, such as reflecting the city's history, embodying a distinctive architectural style, or being tied to a significant person or event. Designation is initiated by the planning commission, city council, property owner petition, or any person or organization, requires an application with state DPR forms 523A/523B/523L, written owner consent, and is adopted by council resolution after notice to the property owner, county assessor and recorder, and city departments. 10 requires the owner to maintain the exterior in good repair and mandates a certificate of appropriateness, granted by the planning commission, before any restoration, rehabilitation, alteration, development, construction, demolition, removal, or appearance change.
10(c)(3), covering compatibility of use, retention of distinguishing original qualities, and repair over replacement of deteriorated features, and must make findings on architectural consistency and whether the work would destroy an important historical or cultural feature. Actions that could cause a 'substantial adverse change' trigger CEQA review, and demolition of a landmark cannot be approved unless the city council finds through that CEQA process that the property retains no substantial remaining market value or reasonable use, or unless an immediate safety hazard requires demolition. 11, including Mills Act contracts, State Historic Building Code flexibility, and fee relief for certificate of appropriateness applications.
Violations & Fines
Restoring, altering, developing, demolishing, removing, or changing the appearance of a designated cultural resource without an approved certificate of appropriateness violates Section 13-200.10(c). Enforcement runs through Title 13, Chapter I, Article 4, General Enforcement, referenced by Section 13-200.12, and the Development Services Department enforces the maintenance requirement of Section 13-200.10(a); costs incurred from unauthorized work done without a certificate cannot be counted toward a hardship demolition finding.
Frequently Asked Questions
How does a property become a Costa Mesa landmark?
Can I remodel a designated historic building's exterior?
Can a designated landmark in Costa Mesa be demolished?
Sources & Official References
Other rules in Costa Mesa
California rules heatmap·Compare Costa Mesa to another location·View the California historic preservation overview
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Historic-Cultural Monuments in Nearby Cities
How other cities in Orange County handle historic-cultural monuments.