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Building in a flood zone in Corning

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

What Corning's code says

Corning code What Corning's code adds
Floodplain permit
  • A development permit is needed before any construction or development, including manufactured homes, in a special flood hazard area.
    Applies: Any special flood hazard area.
    § 15.17.150 · 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 15.17.070.
Building in a floodway
  • No construction or grading may limit floodway capacity or increase the base-flood surface elevation by more than one-half foot with equal encroachment on both sides, or more than three inches with encroachment on one side only; all structures must be outside the floodway.
    Applies: Flood fringe or floodway
    § 17.45.090 · code text
    No construction or grading is to limit the capacity of the floodway or increase the elevation of the base-flood surface by more than one-half foot, assuming equal encroachment on both sides or more than three inches from encroachment on one side only. All structures are to be located outside the floodway.
Height of the lowest floor
  • Lowest floor at or above the base flood elevation.
    Applies: New homes and substantial improvements in AE, AH and A1-30 zones.
    § 15.17.170 · code text
    In AE, AH, A1-30 zones, elevated at or above the base flood elevation.
  • Lowest floor above the highest adjacent grade, at least as high as the FIRM depth number.
    Applies: New homes and substantial improvements in an AO zone with a depth number on the FIRM.
    § 15.17.170 · code text
    In an AO zone, elevated above the highest adjacent grade at least as high as 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.
  • Lowest floor at least 2 feet above the highest adjacent grade.
    Applies: New homes and substantial improvements in an AO zone with no depth number on the FIRM.
    § 15.17.170 · code text
    In an AO zone, elevated above the highest adjacent grade at least as high as 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.
  • Lowest floor at or above the base flood elevation.
    Applies: New homes and substantial improvements in an unnumbered A zone (no base flood elevation on the FIRM).
    § 15.17.170 · code text
    In an A zone, without BFE's specified on the FIRM [unnumbered A zone], elevated at or above the base flood elevation; as determined under Section 15.17.140 C.
  • Finished floor 1 foot above base flood elevation; bottom of lowest floor beam or basement floor 6 inches above it.
    Applies: New construction and substantial improvement in the flood fringe or floodway.
    § 17.45.090 · code text
    New construction and substantial improvement of any structure shall have the bottom of the lowest floor beam or basement floor elevated six inches above the base-flood elevation and the finished floor elevation shall be one foot above the base-flood elevation.
  • 6 inches above the calculated base flood elevation.
    Applies: Bottom of the lowest floor beam or basement floor, in the flood fringe when the FIRM shows no depth number.
    § 17.45.090 · code text
    If there is not a depth number on the Flood Insurance Rate Map (FIRM) for the base-flood elevation, then the bottom of the lowest floor beam or basement floor shall be elevated six inches above the calculated base-flood elevation.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

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

Corning's code: A development permit is needed before any construction or development, including manufactured homes, in a special flood hazard area. (Any special flood hazard area.) (§ 15.17.150); Lowest floor at or above the base flood elevation. (New homes and substantial improvements in AE, AH and A1-30 zones.) (§ 15.17.170).

General information, not legal advice.

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

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