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Tiburon · Building on your lot

Building in a flood zone in Tiburon

Tiburon's own rules on building in a flood zone, with the code text for every value.

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Each rule below links to the section of the Tiburon Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Tiburon's code says

Tiburon code What Tiburon's code adds
Floodplain permit
  • A development permit is needed before construction or development, including structures, fill, storage, drainage or watercourse changes.
    Applies: In areas of special flood hazards.
    § 13D-9 · code text
    A development permit shall be obtained before construction or development begins within any area of special flood hazards established in section 13D-4.
Building in a floodway
  • No fill, new construction, substantial improvement or other new development unless certified not to raise base flood elevation.
    Applies: In designated floodways; a registered professional engineer or architect must certify it.
    § 13D-20 · code text
    Prohibit encroachments, including fill, new construction, substantial improvement, and other new development unless certification by a registered professional engineer or architect is provided demonstrating that encroachments shall not result in any increase in the base flood elevation during the occurrence of the base flood discharge.
Height of the lowest floor
  • At least 2 feet above the base flood elevation.
    Applies: New construction and substantial improvement of any building; the lowest floor includes any basement.
    § 13D-15 · code text
    New construction and substantial improvement of any structure shall have the lowest floor, including the basement, elevated at least two feet above the base flood elevation.
  • On anchored pilings or columns, with the lowest floor's lowest structural member at or above base flood level.
    Applies: New or substantially improved homes in coastal high hazard zones V, V1-30 and VE.
    § 13D-20 · code text
    All new residential and non-residential construction, including substantial improvement/damage, shall be elevated on adequately anchored pilings or columns and securely anchored to such pilings or columns so that the bottom of the lowest horizontal structural member of the lowest floor (excluding the pilings or columns) is elevated to or above the base flood level.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the rules for building in a Tiburon flood zone?

Tiburon's code: A development permit is needed before construction or development, including structures, fill, storage, drainage or watercourse changes. (In areas of special flood hazards.) (§ 13D-9); At least 2 feet above the base flood elevation. (New construction and substantial improvement of any building; the lowest floor includes any basement.) (§ 13D-15).

General information, not legal advice.

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Ask GoCodebook how Tiburon's building in a flood zone rules apply to your situation and get an answer that cites the section.

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