Excavation Contractors in Seattle, WA

ACES FOUR is a family-owned Seattle-based contractor specializing in sewer and drainage services, including sewer repair and installation, trenchless sewer repair, hydro-jet drain cleaning, septic-to-sewer conversions, water line services, excavation, demolition, and rooter services. The company brings roughly 45 years of combined experience and emphasizes reliable, well-planned work with permits, on-time scheduling, and thorough site cleanup; ACES FOUR offers free estimates, often same-day appointments, services residential and commercial clients across Greater Seattle (including Lynnwood, SeaTac, Burien, Kirkland, Renton, Bellevue, Mercer Island, Shoreline, Bothell, Kenmore, Kent, and Lake Forest), and operates with licensed, bonded, and insured crews focused on quality, safety, and clear communication throughout each project.

Excavators Northwest is a Seattle-based company with over 30 years of experience specializing in house lifting, foundation repair, excavation, and underpinning services. The company offers a tailored approach to each project, utilizing a variety of techniques such as house lifting and moving, shoring, underpinning, pin piles, structural repair, drainage and waterproofing, concrete work, and custom steel fabrication. Excavators Northwest is skilled in solving foundation problems, including lifting homes to address flooding, increasing basement height, or adding stories, as well as repairing or rebuilding foundations. The company is known for its problem-solving skills, community involvement, and expertise in handling complex and space-constrained excavation projects, serving residential and commercial clients with a focus on quality and precision.Excavators Northwest is a Seattle-based company with over 30 years of experience specializing in house lifting, foundation repair, excavation, and underpinning services. The company offers a tailored approach to each project, utilizing a variety of techniques such as house lifting and moving, shoring, underpinning, pin piles, structural repair, drainage and waterproofing, concrete work, and custom steel fabrication. Excavators Northwest is skilled in solving foundation problems, including lifting homes to address flooding, increasing basement height, or adding stories, as well as repairing or rebuilding foundations. The company is known for its problem-solving skills, community involvement, and expertise in handling complex and space-constrained excavation projects, serving residential and commercial clients with a focus on quality and precision.

Legendary Demolition Company Seattle is a professional demolition contractor based in Seattle, Washington, specializing in residential, commercial, concrete, disaster demolition, excavation, grading, and land clearing services. The company combines skilled expertise with advanced equipment to deliver precise, safe, and environmentally responsible demolition solutions. Legendary Demolition emphasizes rigorous safety protocols, compliance with local and federal regulations, and sustainable practices such as material recycling and responsible waste disposal. With a commitment to quality, professionalism, and customer service, the company serves the Greater Seattle area, providing tailored demolition services that prepare sites for future development while minimizing environmental impact.

Mighty Arm Excavation, LLC is a licensed, bonded, and insured excavation and utility trenching company serving Seattle and the surrounding areas in Washington State. The company prides itself on delivering exceptional excavation services with a focus on clear communication, transparency, and exceeding customer expectations. Mighty Arm Excavation specializes in earthwork, including mass excavation, site grading, subgrade preparation, and soil placement, as well as utility trenching and installation for sewer, water, storm, electrical, communications, and natural gas systems. The company also handles public right-of-way construction projects and final surface restoration. With a commitment to safety, quality, and customer satisfaction, Mighty Arm Excavation uses state-of-the-art equipment and techniques to prepare sites for successful construction and landscaping projects, making it a trusted partner for developers and contractors in the greater Seattle area.

RAD Excavation & Demolition is a Seattle-area excavation and demolition contractor (serving King and Snohomish counties) that provides comprehensive site services including excavation, site preparation, land clearing, utility trenching, house and exterior demolition, barn/shed/garage demolition, concrete and asphalt removal, debris removal and recycling; RAD Excavation & Demolition, servicing since 2018, emphasizes upfront pricing, licensed and insured crews, careful site management and cleanup, and strong customer communication, and the company reports thousands of projects with a 4.9/5 rating from hundreds of reviews.

Ryatt Construction is a full-service excavation, demolition, and utilities contractor serving Washington and Arizona that helps residential, multifamily, and commercial developers manage site development from permitting through completion; the company offers demolition, contaminated soil remediation, underground utilities, excavation and grading, sewer lining, infiltration testing, concrete restoration, trucking and vac/shooter truck rentals, sawcutting, and mainline extensions, operates offices in Seattle and Phoenix, and emphasizes strong relationships with inspectors, municipalities, and DOTs plus high levels of customer service and efficiency to complete projects that meet or exceed client expectations.

SV Excavation & Demolition is an Auburn, Washington–based excavation and demolition contractor offering comprehensive site services including demolition, site excavation and grading, foundation excavation, land clearing, utility trenching and sewer system installation/repair/hookup, and retaining wall solutions such as ecology concrete blocks. SV Excavation & Demolition emphasizes meticulous planning, safety, licensed/bonded/insured operations, local knowledge of Western Washington soils and permitting, transparent written estimates, modern equipment with skilled operators, and responsive communication to move projects forward for homeowners, builders, and businesses across Auburn and surrounding communities.

JS Landscape & Excavation is a Burien, Washington–based landscaping and excavation contractor that provides synthetic turf and putting-green installation, hardscaping and patio pavers, irrigation and sprinkler systems, retaining walls, concrete installation and removal, demolition, excavation and dirt work, land clearing/leveling, and drainage systems; JS Landscape & Excavation is licensed, bonded, and insured, operates seven days a week, and focuses on quality workmanship, clear communication, and complete customer satisfaction from project start to finish.