About
Rockridge

We provide reliable excavation and site preparation services for commercial and residential construction projects in Lewis, Cowlitz counties and surrounding areas. From initial ground breaking to final grading, we combine experienced operators, modern equipment, and proven processes to deliver clean, build-ready sites on schedule and to specification

Underground utility excavation & installation, steelwrist, excavator, water, sewer, storm drain, waste water, fire service main

Excavation & Site Preparation Services in Lewis & Cowlitz County

From raw land to a build-ready site, Rockridge handles every step of site development for homeowners, builders and commercial developers. We’re a licensed, bonded and insured contractor based in Toledo, WA, serving Chehalis, Centralia, Winlock, Vader, Mossyrock, Castle Rock, Kelso, Longview and the rest of Southwest Washington. One crew, one schedule, no gaps between trades.

Land Clearing
Tree, stump and brush removal that turns overgrown acreage into a clean, buildable site for homes, shops and pastures.

Demolition
Safe removal of houses, mobile homes, barns and commercial structures, with debris hauled off and the site ready to rebuild.

Excavation & Site Grading
Cut and fill earthwork, building pads and finish grading, done to plan with proper drainage and compaction.

Foundation Excavation
Foundation and basement digs for homes, shops and commercial buildings, excavated to design elevation and ready for forms.

Concrete Foundations & Flatwork
Footings, stem walls, slabs, shop floors, driveways and patios, poured by the same crew that preps the ground.

Manufactured Home Installation
Certified manufactured home installation on warranty-approved foundations, with clearing, utilities, septic and driveway handled in one job.

Septic System Installation
New septic systems and drain field replacements built to your approved design and local health department requirements.

Underground Utilities
Water, sewer, storm, fire service and dry utility installation for subdivisions, commercial sites and new homes.

Stormwater & Drainage
Storm drains, detention systems, French drains and erosion control that move water off your site and away from buildings.

Retaining Walls
Eco-block and MSE retaining walls for slopes, building pads and landslide repair, built with proper drainage and backfill.

Roads, Driveways & Parking Lots
Gravel driveways, private roads and parking lot base prep, with culverts and drainage built to last through Washington winters.

Project Management & Estimating
Feasibility reviews, quantity takeoffs, cost estimates and full project management for civil, commercial and residential development.

Not sure where to start? Send us your parcel address and a few photos, and we’ll tell you what your site needs.

Newly paved, winding asphalt road in a rural area surrounded by trees with bare branches, under an overcast sky.
Demolishing a mobile home park with an excavator
A newly landscaped sloped yard with green grass seed, bordered by young trees and bushes, with neighboring houses and a cloudy sky in the background.
Construction site with dirt ground and heavy machinery, surrounded by green trees and blue sky.

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Empty dirt lot with tire tracks, bordered by a line of trees under a clear sky.
Cut and fill grading project, dozer, skip loader, compaction
Roadbuilding, culvert, finish grading
Mitigation, grading, retaining wall, compaction, cut & fill

Contact Us

Interested in working together? Please fill out the forum, give a brief description about your project and upload any relevant project files like plans, geotechnical reports & pictures.