Looking for a drainage contractor in Grass Valley, CA? Describe your project once and up to five drainage contractors who work in Grass Valley and Nevada County get back to you with a quote. It's free and there is no obligation.
Grass Valley is home to about 14,085 people (2024 Census Bureau estimate), a stable community (+0.0% since 2020). With 2,349 people per sq mi, it is a suburban area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Grass Valley at a glance
- Population (Census Bureau estimate, 2024)
- 14,085 (+0.0% since 2020)
- Rank in California
- 332nd of 482 cities and towns
- Land area
- 6.0 sq mi
- Population density
- 2,349 people per sq mi (suburban)
- Type
- City (Grass Valley city)
- Main county
- Nevada County
What to check before hiring in Grass Valley
- Call 811: utilities must be marked before digging.
- Outlet: ask where the water will go; local rules limit discharges toward neighbors and streets.
- Permits: in California, large grading jobs may need a permit from the city or county.
- Price drivers: length of drain, depth, outlet, and lawn or hardscape restoration.
Useful official resources
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Call 811
Official information and guidance.
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EPA: green infrastructure for homeowners
Official information and guidance.
Services available in Grass Valley
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French drain or yard drain
French drain, catch basins or channel drains to move water away from the problem area.
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Grading and regrading
Regrading the soil so that water flows away from the house.
Frequently asked questions in Grass Valley
How much does yard drainage cost in Grass Valley, CA?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Grass Valley reply with a quote.
How long does it take?
Most residential drains take one to three days.
Will a drain fix a wet basement?
It can help when water comes from the yard; inside problems may need waterproofing too.
Which drainage contractors will contact me?
Up to five independent drainage contractors who serve Grass Valley and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.