Looking for an excavation contractor in San Ramon, CA? Describe your project once and up to three excavation contractors who work in San Ramon and Contra Costa County get back to you with a quote. It's free and there is no obligation.
San Ramon is home to about 85,924 people (2024 Census Bureau estimate), a stable community (−0.5% since 2020). With 4,284 people per sq mi, it is a densely built-up area. New homes, additions and utility connections keep local excavation contractors busy.
San Ramon at a glance
- Population (Census Bureau estimate, 2024)
- 85,924 (−0.5% since 2020)
- Rank in California
- 98th of 482 cities and towns
- Land area
- 20 sq mi
- Population density
- 4,284 people per sq mi (densely built-up)
- Type
- City (San Ramon city)
- Main county
- Contra Costa County
What to check before hiring in San Ramon
- Call 811: required before digging, in California as everywhere.
- Permits: grading, foundations and utility work may need permits from the city or county.
- Soil and rock: ask how unexpected rock or poor soil is priced.
- Price drivers: volume, depth, access, haul-off and backfill.
Useful official resources
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Call 811
Official information and guidance.
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OSHA: trenching and excavation
Official information and guidance.
Services available in San Ramon
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Foundation and basement excavation
Digging for a foundation, basement or addition, with backfill.
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Utility trenches and site work
Trenches for water, sewer and power, building pads, driveways and grading.
Frequently asked questions in San Ramon
How much does excavation cost in San Ramon, CA?
It depends on the volume, depth, soil and haul-off. Describe your project: contractors who serve San Ramon reply with a quote.
How long does it take?
A house foundation often takes a few days; larger site work longer.
Who hauls the dirt away?
Ask: haul-off and disposal are often priced separately.
Which excavation contractors will contact me?
Up to three independent excavation contractors who serve San Ramon 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.