Foundations, driveways, drainage, utility lines and site prep for homeowners and builders — with commercial capability when you need it.
Request a BidOur ServicesExperienced. Professional. Competitive. We show up, explain the job, and finish it clean.
Accurate digs for new homes, additions and basements, with backfill and compaction done right.
Flatwork, foundations, frost walls, driveways and patios — we pour our own concrete.
Lot clearing, rough and finish grading so your build starts on solid, level ground.
New driveways and repair — including turning rough access paths into smooth, lasting driveways.
We design and install drainage that keeps water where it’s supposed to be.
Retaining walls and hardscapes that hold up to Colorado weather.
“They turned a very sketchy 250+ pathway into a beautiful driveway… Tony the bobcat driver was super friendly and accommodating. He was not going to leave the job until we were satisfied… Highly recommend Coal Creek Excavation.”
– Lisa L.
“Coal Creek Excavation fit us into their busy schedule and did a great job on our project. Thank you!”
– Sydney C.
We provide quality site preparation and excavation for commercial development as well as residential building — including large-scale site work, utilities and civil projects for municipalities and agencies.
Estimate concrete for slabs, footings, frost walls and piers — or gravel, road base and fill — in seconds.
Primary: Erie, Boulder County, Larimer County and the I-25 corridor / Front Range.
Also serving: Colorado’s mountain and destination resort communities — Summit, Routt, Grand and Gunnison counties, including Steamboat.
We’ve completed work in Breckenridge, Steamboat Springs, Winter Park and Crested Butte. For the right project, anywhere in Colorado.