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Building in a flood zone in Lodi

Lodi'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 Lodi Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Lodi's code says

Lodi code What Lodi's code adds
Floodplain permit
  • A development permit is needed before any construction or other development, including manufactured homes, in a special flood hazard area.
    § 15.60.140 · code text
    A development permit shall be obtained before any construction or other development, including manufactured homes, within any area of special flood hazard established in Section 15.60.070.
  • No structure or land may be placed, extended, converted or altered without a development or construction permit first.
    Applies: Within the -F100 overlay district.
    § 15.60.140 · code text
    No structure or land shall, after the effective date of the ordinance codified in this chapter, be located, extended, converted or altered within the -F100 overlay district without full compliance with the terms of this chapter, and without having first received a development or construction permit in accordance with the provisions of this title
Building in a floodway
  • No new construction or development, including fill, unless all development combined raises base flood level no more than 1 foot.
    Applies: In Zones A1-30 and AE, until a regulatory floodway is adopted; the 1-foot limit applies at any point in the city.
    § 15.60.230 · code text
    Until a regulatory floodway is adopted, no new construction, substantial development, or other development (including fill) shall be permitted within Zones A1-30 and AE, unless it is demonstrated that the cumulative effect of the proposed development, when combined with all other development, will not increase the water surface elevation of the base flood more than one foot at any point within the city of Lodi.
  • No fill, new construction, substantial improvements or other development unless a registered civil engineer certifies no flood level increase.
    Applies: Within an adopted regulatory floodway, during the base flood discharge.
    § 15.60.230 · code text
    Within an adopted regulatory floodway, the city of Lodi shall prohibit encroachments, including fill, new construction, substantial improvements, and other development, unless certification by a registered civil engineer is provided demonstrating that the proposed encroachment shall not result in any increase in flood levels during the occurrence of the base flood discharge.
Height of the lowest floor
  • At least 18 inches above the base flood elevation.
    Applies: New or substantially improved homes in AE, AH and A1-30 zones.
    § 15.60.180 · code text
    In AE, AH, A1-30 Zones, elevated to eighteen inches or more above the base flood elevation.
  • Above the highest adjacent grade, at least as high as the FIRM depth number in feet.
    Applies: New or substantially improved homes in an AO zone with a depth number on the FIRM.
    § 15.60.180 · code text
    In an AO Zone, elevated above the highest adjacent grade to a height equal to or exceeding the depth number specified in feet on the FIRM, or elevated at least two feet above the highest adjacent grade if no depth number is specified.
  • At least 2 feet above the highest adjacent grade.
    Applies: New or substantially improved homes in an AO zone with no depth number on the FIRM.
    § 15.60.180 · code text
    or elevated at least two feet above the highest adjacent grade if no depth number is specified.
  • At least 18 inches above the base flood elevation.
    Applies: New or substantially improved homes in an A zone with no base flood elevation on the FIRM.
    § 15.60.180 · code text
    In an A Zone, without BFE's specified on the FIRM [unnumbered A Zone], elevated to eighteen inches or more above the base flood elevation; as determined under Section 15.60.130(C).
  • Finished floor at or above the 200-year flood elevation.
    Applies: New or substantially improved homes in the -F200 overlay zone.
    § 15.60.180 · code text
    In the -F200 overlay zone, finished floor shall be at or above the elevation of the 200-year flood.

Who this affects

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Frequently asked questions

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

Lodi's code: A development permit is needed before any construction or other development, including manufactured homes, in a special flood hazard area. (§ 15.60.140); At least 18 inches above the base flood elevation. (New or substantially improved homes in AE, AH and A1-30 zones.) (§ 15.60.180).

General information, not legal advice.

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Lodi Municipal Code — full text