In the R1-L and R-2 Zones, no structure shall at any one point (excluding chimneys) exceed twenty-two feet in Height. If a structure under this Section is to undergo a “substantial improvement” as defined by applicable regulations of the Federal Emergency Management Agency, as may be amended from time to time, then Height shall be measured from the highest point of the structure (excluding chimneys) to Base Flood Elevation plus one foot of freeboard, pursuant to Section 19.08.240. If a structure under this Section does not involve a “substantial improvement” then Height shall be measured from Existing Grade, pursuant to Section 19.08.240. (Ord. 2019-1 § 2, 2019; Ord. 2015-3 Exhibit D, 2015.)