Home/Clark County, NV
Nevada -- population 2,260,510

Clark County, NV Property Research

Real data from four public sources, not an internal estimate: the EPA's radon zone classification, Census housing-age records, FEMA's natural hazard risk index, and NOAA's recorded storm history for this county. Every figure below links to where it actually comes from.

Hazard Summary

Clark County, NV hazard summary: FEMA National Risk Index rated Very High; EPA radon zone 3 of 3; most frequently recorded hazard is flash flood (140 events, 2015-2024).

Radon Risk

Zone 3 -- low potential. EPA predicts an average indoor radon screening level below 2 pCi/L for this county.

This is a county-wide prediction from geology and soil data, not a measurement of any specific home -- EPA recommends testing every home regardless of zone. See our guide on negotiating radon mitigation after inspection.

Source: EPA Map of Radon Zones

Housing Age

Clark County has 935,960 housing units. About 8% were built in 1969 or earlier -- old enough that knob-and-tube wiring, lead-based paint, and galvanized supply lines are all realistic possibilities worth checking for, not just a general inspection line item.

2020 or later
17,353
2010-2019
115,347
2000-2009
269,186
1990-1999
239,100
1980-1989
128,148
1970-1979
94,532
1960-1969
43,608
1950-1959
19,115
1940-1949
5,712
1939 or earlier
3,859

Does knob-and-tube wiring have to be replaced before closing?

Source: U.S. Census Bureau, ACS 5-Year Estimates, Table B25034

Natural Hazard Risk

FEMA rates Clark County's overall natural hazard risk as Very High, relative to the rest of the country.

Heat WaveVery High
Inland FloodingVery High
WildfireRelatively High
EarthquakeRelatively High
HailRelatively High
Source: FEMA National Risk Index

Recorded Storm History (2015-2024)

NOAA recorded 337 storm events in Clark County between 2015 and 2024. This is actual event history, not a risk model -- the counts below are individually logged storms, not a prediction.

Flash Flood
140
Thunderstorm Wind
112
Hail
28
Lightning
19
Dust Devil
13
Heavy Rain
11
Flood
10
Funnel Cloud
4
Source: NOAA National Centers for Environmental Information, Storm Events Database

Guides Relevant to This County's Housing Stock

How to Spot Polybutylene Pipes Before Buying a HouseCan You Get Home Insurance with Polybutylene Plumbing?Does a Standard Home Inspection Check for Asbestos?What Is a Federal Pacific Stab-Lok Panel and Why Inspectors Flag It?Do Federal Pacific (FPE) Panels Affect Insurance Like Zinsco Panels?Will a Zinsco Panel Fail a 4-Point Inspection?

Get Your Free Property Report

BeforeRegret pulls live seismic hazard data, validates the address, and builds era- and county-specific inspection priorities and seller questions into one report -- with anything not yet independently verified clearly labeled, not guessed at.

Get Your First Report Free

This page reports what these four public agencies have published for Clark County as a whole -- it is not an assessment of any specific address or property, and does not replace a licensed home inspection, radon test, or insurance review for a specific home. Data last checked August 10, 2026.