Elevation Certificates in Clark County, NV (2026)
Las Vegas gets about four inches of rain per year. That number sounds harmless, but it conceals a serious flood risk. When summer thunderstorms drop heavy rain on the valley and surrounding mountains, runoff races across hardpacked desert soil into a network of channels and washes with little capacity to absorb it. The result is rapid, dangerous flash flooding, and Clark County has dozens of FEMA-mapped Special Flood Hazard Areas to reflect that risk.
If your property sits in or near one of these mapped flood zones, you may need an elevation certificate prepared by a licensed Professional Land Surveyor.
The Las Vegas Valley Wash System
The valley's flood risk centers on its wash network. The Las Vegas Wash is the primary drainage for the entire valley, running eastward toward Lake Mead. Flamingo Wash crosses the center of the city. Sloan Channel handles drainage from the southwest. Dozens of smaller tributary washes feed into these main channels.
Properties within the mapped floodplain of any of these washes, or within FEMA Zone AE or Zone A designations elsewhere in the county, may require an elevation certificate for federally backed mortgage financing or for accurate flood insurance rating through the National Flood Insurance Program.
Lake Mead Shoreline Properties
Lake Mead shoreline properties have a separate layer of FEMA mapping complexity. Water levels at Lake Mead fluctuate significantly, and FEMA flood zone designations in the shoreline area reflect those dynamics. Properties in Boulder City and surrounding areas near the lake should confirm their current flood zone status.
Cost and What the Certificate Documents
Most elevation certificates in Clark County cost $450 to $700. The surveyor measures the lowest floor elevation, attached garage elevation, lowest adjacent grade, and other FEMA-required data points, recording everything on the standard FEMA form. Rush turnaround for a pending closing typically adds 25 to 50 percent to the base fee.
Our Clark County land surveyor directory lists licensed PLS professionals serving Las Vegas, Henderson, North Las Vegas, Boulder City, and surrounding communities.