Sedona, AZ Environmental Rules: Flood Elevation Requirements (2026)

9, Other Defined Terms). 6, Nonconformities. D(4), when an enlargement, alteration, or repair to a nonconforming structure would otherwise be allowed by the Code but would increase the structure's flood damage potential, the owner has two paths for a non-residential structure: floodproof it, or elevate it to or above the regulatory flood elevation. For nonconforming residential structures the choice disappears entirely: floodproofing is not an option, and the structure must be elevated to or above the regulatory flood elevation. D(2) ties permissible exterior modification to percentage-of-floor-area and valuation thresholds tied to the International Building Code) before full Code conformance is required.

B(5) separately allows compliance "to the maximum extent practicable" when floodplains or other environmental constraints leave a lot without enough developable area to fully meet the Code's standards. B(5) references floodplains among the site constraints the Director weighs, and building height along Oak Creek can be measured from the regulatory floodplain elevation established by the City's floodplain management study (Article 2). D(2) triggers full-Code compliance rather than the narrower freeboard-only fix.