Harris Excavation – San Mateo County Excavation Contractor
Dig Deeper. Build Smarter.
When building in San Mateo County, having a trusted excavation contractor who understands local challenges is essential. Harris Excavation provides dependable grading, excavation, trenching, and erosion control services for residential homeowners, developers, general contractors, and municipalities across the Peninsula.
From Redwood City to Half Moon Bay and everything in between, our team brings years of California construction experience directly to your project site — whether it’s preparing a lot for a custom home with proper drainage, installing underground utilities near the coast, or managing erosion control on a municipal build. We know San Mateo County comes with unique terrain and permitting challenges — so we work closely with clients to stay compliant, efficient, and ahead of schedule.
Why Work With Harris Excavation
We handle everything from small residential prep jobs to full-scale commercial development sites. Our team understands the unique challenges working on the peninsula and is experienced in deploying specialty resources to mitigate these challenges.
Whether you’re breaking ground on a backyard ADU or setting up infrastructure for a mixed-use project near Highway 101, our modern equipment fleet and experienced operators ensure accurate, dependable work — so your build moves forward without unnecessary delays.
Our team doesn’t just move dirt — we help set the stage for successful builds across one of California’s most diverse regions. Whether it’s grading a coastal lot with runoff concerns or trenching safely near protected wetlands, Harris Excavation shows up ready to work smart and deliver results you can count on.
Ready to Break Ground?
Contact us today to discuss your next residential or commercial project in San Mateo County. From site preparation and utility trenching to precision grading and erosion control — we’re here to help you break ground the right way.