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Title 13 — Planning, Zoning and Development›Chapter V — DEVELOPMENT STANDARDS›Article 10 — Floodway and Floodplain Districts

§ 13-79. Application.

Costa Mesa Zoning Code · 2026-06 edition · updated 2026-07-25 · Costa Mesa

  • (a) In any base flood district, when the property is included within a designated flood hazard area shown on the adopted Orange County (countywide) Flood Insurance Rate Map (FIRM) dated August 9, 2002, or a subsequent FIRM, of flood boundary and floodway maps as published by the Federal Emergency Management Agency (FEMA), the additional requirements, limitations and standards contained in this article and by FEMA shall apply.

  • (b) Flood hazard areas shall be identified and mapped, based upon:

    • (1) The base flood and criteria set forth by the "Flood Insurance Study for the City of Costa Mesa, California, Orange County" (preliminary study dated August 9, 2002, and any subsequent amendments or revisions thereof). If FEMA has not provided base flood elevations in the study, such base flood data shall be obtained from other available sources or studies meeting with city approval; or,

    • (2) The design flood as determined from engineering studies reviewed and found satisfactory by the city as approved by the city council.

  • (c) The following documents are hereby adopted for the application of floodway area regulations only: (1) all the standards of Paragraph 60.3(b) of the National Flood Insurance Program, (2) The Orange County (countywide) FIRM and flood boundary and floodway maps as zoning district maps (dated August 9, 2002, and any subsequent amendments or revisions thereof), and (3) Flood Insurance Study for the City of Costa Mesa (dated August 9, 2002, and any subsequent revisions or updates thereof).

  • (Ord. No. 97-11, § 2, 5-5-97; Ord. No. 04-1, § 1, 1-20-04; Ord. No. 06-20, § 1b., 9-19-06)

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▸ Contents — Costa Mesa Zoning Code
Costa Mesa Zoning Code
  1. ▸ Title 13 — Planning, Zoning and Development
    Overview
    1. Chapter I — IN GENERAL
    2. Chapter II — ZONING DISTRICTS ESTABLISHED
    3. Chapter III — PLANNING APPLICATIONS
    4. Chapter IV — CITYWIDE LAND USE MATRIX
    5. ▸ Chapter V — DEVELOPMENT STANDARDS
      Overview
      1. Article 1 — Residential Districts
      2. Article 2 — Residential Common Interest Developments
      3. Article 2.5 — Residential Small lot Subdivisions
      4. Article 3 — Commercial Districts
      5. Article 4 — Establishments Where Food or Beverages are Served
      6. Article 4.5 — Development Standards for Churches and Other Pla…
      7. Article 5 — Industrial Districts
      8. Article 5.5 — Non-Residential Common Interest Developments
      9. Article 6 — Planned Development
      10. Article 7 — Institutional and Recreational, Institutional and …
      11. Article 8 — Floor Area Ratios
      12. Article 9 — General Site Improvement Standards
      13. ▸ Article 10 — Floodway and Floodplain Districts
        Overview
        1. § 13-77. Purpose.
        2. § 13-78. Definitions.
        3. § 13-79. Application.
        4. § 13-80. Uses permitted in the floodway areas.
        5. § 13-81. Uses permitted in the designated floodway fringe and …
        6. § 13-82. Procedures and development standards for floodway are…
        7. § 13-83. Exceptions to designate flood hazard area.
      14. Article 11 — Mixed-Use Overlay District
      15. Article 12 — Residential Incentive Overlay District
      16. Article 1 — Residential Districts
      17. Article 2 — Non-Residential Districts
      18. Article 3 — Development Standards
    6. Chapter VII — LANDSCAPING STANDARDS
    7. Chapter VIII — SIGNS
    8. Chapter IX — SPECIAL LAND USE REGULATIONS
    9. Chapter X — NONCONFORMING USES, DEVELOPMENTS AND LOTS
    10. Chapter XI — SUBDIVISIONS
    11. Chapter XII — SPECIAL FEE ASSESSMENTS
    12. Chapter XIII — NOISE CONTROL
    13. Chapter XIV — OIL DRILLING
    14. Chapter XV — GROUP HOMES
    15. Chapter XVII — AFFORDABLE HOUSING ORDINANCE

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