Grading & Drainage: Henderson vs Paradise
How do grading & drainage rules compare between Henderson, NV and Paradise, NV?
Henderson and Paradise have similar restriction levels.
Henderson, NV
Clark County
Henderson requires grading permits for earthwork that alters drainage patterns. The Community Development Department reviews grading plans to ensure proper drainage is maintained. All grading must comply with Clark County Regional Flood Control District standards and Henderson's development code.
View full Henderson rules →Paradise, NV
Clark County
Clark County grading follows Title 22 and Title 30. Permits required above 50 cubic yards, 5-foot slopes, or in flood zones. Projects over 5 acres need a CCRFCD drainage study using the HCDDM manual.
View full Paradise rules →Key Facts Comparison
| Fact | Henderson | Paradise |
|---|---|---|
| Permit Required | Yes, for significant earthwork | - |
| Review Authority | Community Development Department | - |
| Flood Standards | Clark County Regional Flood Control District | - |
| Flash Flood | Must not redirect wash drainage | - |
| Desert Tortoise | Habitat survey may be required | - |
| Permit Threshold | - | 50 cubic yards |
| Slope Threshold | - | 5 ft vertical |
| Study Threshold | - | 5 acres |
| Manual | - | CCRFCD HCDDM |
Highlighted rows indicate differences between cities.
Henderson FAQ
Do I need a grading permit in Henderson?
Yes. Grading permits are required for filling, excavating, or altering drainage patterns. Plans must comply with Clark County Regional Flood Control District standards.
Can I grade over a desert wash on my property?
Blocking or redirecting desert washes is a serious flood safety violation. Grading plans must account for existing drainage paths and flash flood flows.
Paradise FAQ
Do I need a grading permit for my Clark County backyard?
Usually only if you are moving more than 50 cubic yards, creating slopes over 5 feet, or working in a flood zone. Small planting or pool excavations typically do not need a separate grading permit.
Can my new driveway drain toward my neighbor?
Only up to the pre-development 10-year historic flow. Clark County drainage rules prohibit increasing runoff onto neighbors. If flooding occurs, you may face a civil nuisance claim and code enforcement.
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