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Costa Mesa, CA Historic Preservation: Historic-Cultural Monuments (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 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).

View official code

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?
The city council designates a landmark by resolution on the planning commission's recommendation after an application under Section 13-200.9 showing the property meets designation criteria such as architectural distinction or historical significance, plus written owner consent and state DPR inventory forms.
Can I remodel a designated historic building's exterior?
Not without a certificate of appropriateness from the planning commission under Section 13-200.10(c), which reviews the plans against nine preservation criteria and must find the work compatible with the building's character-defining features.
Can a designated landmark in Costa Mesa be demolished?
Only if the city council finds through CEQA review that the property retains no substantial remaining market value or reasonable use after weighing rehabilitation costs, or if an immediate safety hazard makes demolition the only feasible option, per Section 13-200.10(c)(5).

Sources & Official References

Other rules in Costa Mesa

All Costa Mesa rules

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