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Tracy · Building on your lot

Building in a flood zone in Tracy

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

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

What Tracy's code says

Tracy code What Tracy's code adds
Floodplain permit
  • A development permit is needed before any construction or development begins.
    Applies: In an area of special flood hazard.
    § 9.52.120 · code text
    A development permit shall be obtained before any construction or development begins within an area of special flood hazard established by Section 9.52.060 of this chapter.
Building in a floodway
  • No fill, new construction, substantial improvement or other new development unless certified to cause no flood level increase.
    Applies: In designated floodways; a registered professional engineer or architect must certify it.
    § 9.52.200 · 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 flood levels during the occurrence of the base flood discharge;
Height of the lowest floor
  • At least 1 foot above the base flood elevation.
    Applies: New construction and substantial improvements in all special flood hazard areas; the lowest floor includes any basement.
    § 9.52.150 · code text
    New construction and substantial improvements shall have the lowest floor elevation, including basement, elevated one foot or higher above the base flood elevation.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

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

Tracy's code: A development permit is needed before any construction or development begins. (In an area of special flood hazard.) (§ 9.52.120); At least 1 foot above the base flood elevation. (New construction and substantial improvements in all special flood hazard areas; the lowest floor includes any basement.) (§ 9.52.150).

General information, not legal advice.

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