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🌍 Environmental Rules/Grading & Drainage

Boulder City vs Las Vegas

How do grading & drainage rules compare between Boulder City, NV and Las Vegas, NV?

Boulder City and Las Vegas have similar restriction levels.

Boulder City, NV

Clark County

Heavy Restrictions

Boulder City requires grading permits for earthwork over set thresholds and mandates drainage that does not discharge onto neighboring property.

View full Boulder City rules →

Las Vegas, NV

Clark County

Heavy Restrictions

Las Vegas requires grading permits for land disturbance projects under LVMC Title 16 and the adopted International Building Code. Drainage plans must demonstrate that post-development runoff does not exceed pre-development levels and that stormwater is directed to approved facilities. The Clark County Regional Flood Control District reviews drainage studies for projects within regional flood zones.

View full Las Vegas rules →

Key Facts Comparison

FactBoulder CityLas Vegas
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Permit Required-Grading permit for land disturbance
Code Reference-LVMC Title 16 / IBC Appendix J
Standard-Post-development runoff must not exceed pre-development
Regional Review-CCRFCD reviews drainage studies
Inspections-Required at rough grade and final grade

Highlighted rows indicate differences between cities.

Boulder City FAQ

Las Vegas FAQ

Do I need a grading permit in Las Vegas?

Yes. Most grading and land disturbance activities require a permit from the City of Las Vegas Building and Safety Department. The permit application must include a drainage plan showing how runoff will be managed.

What drainage standards apply to new development?

Post-development stormwater runoff must not exceed pre-development levels. Projects near regional flood channels must submit drainage studies to the Clark County Regional Flood Control District for review.

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