Redwood City Excavation and Grading Contractor
Build Smarter. Dig Deeper.
Professional Earthwork for Redwood City’s Diverse Terrain
From the steep, clay heavy slopes of Emerald Hills to the flat, bay mud foundations near the 101 corridor, Redwood City presents one of the most diverse excavation environments on the Peninsula. At Harris Excavation, we understand that, as a Redwood City Excavation contractor, a residential project on Farm Hill Blvd requires a completely different approach than a commercial pad near downtown. We provide precision grading, trenching, and site preparation services tailored to Redwood City’s unique mix of hillside residential and flatland infill projects.
As local excavation specialists, we know that building in Redwood City also comes with soil complexities—specifically the transition from bedrock in the hills to soft bay mud and artificial fill near the port. Our team is equipped to handle these challenges, ensuring your project starts on solid ground, whether you are building an ADU, upgrading utilities, or correcting drainage issues
What We Do
Slope Stabilization & Bench Grading
We create stable, level pads for new construction, driveways, or hardscaping, strictly adhering to San Mateo County and Redwood City grading permits.
Retaining Wall Installation
We excavate for and install gravity and cantilever walls, ensuring proper backfill and drainage behind the wall to prevent future failure.
Foundation Excavation
Whether you have a slab on grade, perimeter wall, or pier foundation system for your new construction, Harris Excavation can dig it all.
Utility Infrastructure Upgrades
With Redwood City’s push for infill housing and ADUs, updating underground infrastructure is a priority for many homeowners. We provide precise, safe trenching for all utility needs.
Sewer Lateral Replacement
We trench for sewer line upgrades, navigating around existing root systems and utilities common in established neighborhoods like Mount Carmel
Electric & Gas Service Trenching
We excavate for PG&E upgrades, panel relocations, and EV charger conduit, ensuring proper depth and bedding
Drainage Systems
In flatter areas where water pools during winter storms, we install French drains, catch basins, and solid pipe discharge lines to move water away from your foundation
Why Redwood City Residents Choose Harris Excavation
We are familiar with the specific inspections required by the Redwood City Building Division and the nuances of working in both dense urban lots and sprawling hillside properties. We don’t just move dirt; we prepare your site for long-term structural integrity.