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Yucca Valley · Building on your lot

Building in a flood zone in Yucca Valley

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

What Yucca Valley's code says

Yucca Valley code What Yucca Valley's code adds
Building in a floodway
  • No fill, building or other development unless all development combined raises base flood level no more than 1 foot.
    Applies: Floodways; shown by an engineer or architect; measured at any point in the town.
    § 8.04.055 · code text
    Prohibit encroachments, including fill, new construction, substantial improvements, and other development unless it is demonstrated by a registered professional engineer or architect 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 (1') at any point within the town of Yucca Valley.
Height of the lowest floor
  • At least the FIRM depth number above the highest nearby grade; at least 2 feet if none given.
    Applies: New or substantially improved homes in an AO zone; in AO zones without velocity, at least 1 foot more than the depth number.
    § 8.04.050 · 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 (2') above the highest adjacent grade if no depth number is specified.
  • The lowest floor must be at least 1 foot above the base flood elevation.
    Applies: New or substantially improved homes in an A zone.
    § 8.04.050 · code text
    In an A zone, elevated to or above the base flood elevation, determined by one of the methods in subsection 8.04.042B of this chapter. The lowest floor shall be elevated at least one foot (1') above the base flood elevation, as determined by the community.
  • The lowest floor must be at least 1 foot above the base flood elevation.
    Applies: New or substantially improved homes in flood zones other than A and AO.
    § 8.04.050 · code text
    In all other zones, elevated to or above the base flood elevation. The lowest floor shall be elevated at least one foot (1') above the base flood elevation.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the rules for building in a Yucca Valley flood zone?

Yucca Valley's code: At least the FIRM depth number above the highest nearby grade; at least 2 feet if none given. (New or substantially improved homes in an AO zone; in AO zones without velocity, at least 1 foot more than the depth number.) (§ 8.04.050); The lowest floor must be at least 1 foot above the base flood elevation. (New or substantially improved homes in an A zone.) (§ 8.04.050).

General information, not legal advice.

Ask about a specific Yucca Valley property

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

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Yucca Valley Municipal Code — full text