Business Details
Expert Excavation & Site Work Services in Chehalis, WA
Dunnagan Development has established itself as a premier excavation and site work contractor serving Chehalis, Washington and surrounding areas. With a dedicated team of professionals, we specialize in land clearing, grading, road building, driveway installation, utility trenching, and foundation excavation while prioritizing environmental responsibility and sustainable practices. Our equipment fleet and partnerships with certified civil engineers ensure projects meet local and state codes.As a locally owned business, we combine technical expertise with personalized service to deliver quality results for residential and commercial clients across Southwest Washington. Our commitment to excellence is reflected in our free estimates, one-year warranty on workmanship, and a track record of completed projects demonstrating our capabilities in both small and large-scale operations.
Services
Land Clearing
Grading
Road Building
Driveway Installation
Utility Trenching
Foundation Excavation
Dump Truck Hauling
Drainage Solutions
Highlights and features
- We offer a professional and experienced crew dedicated to quality excavation services
- We provide free estimates with no obligation guarantee
- Our work includes a one-year warranty on materials and workmanship
- We are locally owned and deeply familiar with Lewis County requirements
- We prioritize environmental protection and sustainable practices
What people say
Great communication
Timely completion
High-quality work
Would recommend
Professional crew
Services
Land Clearing
Our land clearing services remove brush, trees, and stumps to prepare sites for construction or expansion. We handle both residential and commercial projects with specialized equipment and safety protocols. Our team ensures proper debris management and environmental compliance while delivering efficient solutions for property owners in Lewis County.
Utility Trenching
We provide precision utility trenching for water, sewer, electrical, and fiber optic installations. Our services include conduit placement, backfilling, and grade restoration using modern excavation equipment. We maintain strict safety standards and coordinate with local authorities to ensure proper installation of underground infrastructure systems.
Road Building
Our road construction expertise covers private drives, parking lots, and public roadway projects. We handle grading, base material installation, and asphalt compaction to create durable surfaces. With quality control measures and adherence to state specifications, we deliver long-lasting solutions for residential communities and commercial developments.
Driveway Installation
We specialize in complete driveway systems including excavation, grading, and surface material installation. Our process ensures proper drainage and lasting durability through layered rock base and compaction techniques. We work with homeowners and businesses to create functional access solutions that enhance property aesthetics.
Dump Truck Hauling
Our hauling services manage material delivery and removal for construction projects. We transport topsoil, fill dirt, and construction debris with efficient logistics planning. This service supports various excavation projects by maintaining worksite cleanliness and ensuring proper material placement throughout Southwest Washington.
Questions
What excavation services do you offer in Lewis County?
We provide land clearing, grading, road building, driveway installation, utility trenching, foundation excavation, and material hauling services for residential and commercial clients.
Do you serve areas outside Chehalis?
Yes, we serve all of Lewis County including Centralia, Adna, Newaukum, Napavine, Toledo, Mossyrock, Grand Mound, and Onalaska.
Are your services available for both residential and commercial projects?
We handle projects for both residential homeowners and commercial developers with customized solutions for each client's needs.
What makes your company different from other excavation contractors?
We combine local expertise with modern equipment, environmental responsibility, and a one-year warranty on all workmanship and materials.
Do you provide free estimates for excavation projects?
Yes, we offer free, no-obligation estimates for all excavation and site work projects in Southwest Washington.
Are you licensed and insured for excavation work?
We are fully licensed, bonded, and insured to perform excavation services in the state of Washington.