Looking for a drainage contractor in Daly City, CA? Describe your project once and up to five drainage contractors who work in Daly City and San Mateo County get back to you with a quote. It's free and there is no obligation.
Daly City is home to about 101,418 people (2024 Census Bureau estimate), a shrinking community (−3.5% since 2020). With 13,258 people per sq mi, it is a densely built-up area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Daly City at a glance
- Population (Census Bureau estimate, 2024)
- 101,418 (−3.5% since 2020)
- Rank in California
- 75th of 482 cities and towns
- Land area
- 7.6 sq mi
- Population density
- 13,258 people per sq mi (densely built-up)
- Type
- City (Daly City city)
- Main county
- San Mateo County
What to check before hiring in Daly City
- 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 Daly City
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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 Daly City
How much does yard drainage cost in Daly City, CA?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Daly City 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 Daly City 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.