Premier Excavation Contractor in Wilsonville, OR
Your trusted partner for commercial and residential sitework, from initial clearing to final grading.
- OR CCB #217133 Licensed & Insured for Your Protection
- Four Generations of Family-Owned Sitework Experience
- Transparent Bids & Proactive Value Engineering
Trusted by Wilsonville's Leading Developers & Builders
For over four generations, Legacy 6 Inc. has been the go-to heavy civil contractor for clients who value reliability, expertise, and genuine partnership. We are a family-owned business continuing a legacy in the industry, and our deep roots in the Pacific Northwest give us an unparalleled understanding of the region’s unique construction landscape. Our impressive 80%+ repeat client rate is a direct result of our core philosophy: we treat every project as if it were our own. This commitment means we prioritize open communication, collaborative problem-solving, and a team-first approach.
This dedication to partnership is why Wilsonville’s most respected developers, general contractors, and builders choose us time and again. They know that when they work with Legacy 6, they are getting more than just an excavation contractor; they are gaining a partner invested in their success. Our proactive communication and value engineering mindset allow us to foresee potential issues before they become costly delays, ensuring projects are delivered on time and within budget. We don’t just move dirt; we build lasting relationships founded on trust and exceptional results.
80%+ Repeat Client Rate
A testament to our commitment to client success and building strong partnerships.
150+ Pieces of Equipment in Fleet
An extensive, modern fleet ensures we have the right machine for any job, minimizing downtime and third-party delays.
4 Generations of Experience
Decades of hands-on knowledge passed down, providing practical solutions and invaluable project insight.
Projects Completed Near Wilsonville
Our portfolio includes a wide range of successful projects throughout Clackamas and Washington counties, demonstrating our regional expertise.
Our in-house team of project managers, superintendents, and skilled operators, combined with our extensive company-owned fleet, is equipped to handle every phase of your project.
We provide a full suite of services in Wilsonville, ensuring seamless project management, clear communication, and consistent quality from a single, reliable source.
We prepare commercial sites for success, from initial clearing to the final grade. Legacy 6 specializes in developing robust building pads for structures ranging from 5,000 to 500,000 square feet, expansive parking lots designed for durability and proper drainage, and structurally sound retaining walls. Our expertise in commercial sitework and grading in Wilsonville ensures your project starts on a solid, stable, and precisely prepared foundation, ready to meet the specifications of engineers and architects. We understand the demands of commercial construction schedules and work diligently to provide a site that is ready for vertical construction without delay.
Partner with us for residential projects of any scale, from a single custom home foundation to complex 100-lot subdivisions. We manage all aspects of residential excavation, grading, and site preparation to meet the demands of Wilsonville’s home builders and developers. Our team is adept at creating balanced sites, maximizing usable land while adhering to all environmental and municipal regulations. We handle mass grading, utility trenching, and road construction, providing a turnkey solution that sets your residential community up for success from the ground up.
We are experts in the installation, repair, and maintenance of essential underground utilities in Wilsonville, OR. Our services cover critical infrastructure including water mains, sewer lines, and storm drainage systems. Every installation is performed with precision, ensuring it meets or exceeds local codes and complex engineering specifications. A properly installed utility system is vital for the long-term success of any development. We use high-quality materials and proven techniques to prevent future issues, providing reliable infrastructure that serves the community for decades.
Legacy 6 offers professional and safe demolition services in Wilsonville to prepare your property for new development. Our experienced crews handle everything from complete structural demolition of commercial and residential buildings to selective demolition and site clearing. We also manage septic and well abandonment in compliance with all health and safety regulations. Following demolition, we perform efficient land clearing and responsible debris removal, leaving you with a clean, build-ready site, primed for its next phase.
With a diverse fleet of over 150 units, including Super Solos, Truck and Pups, Transfers, End Dumps, and Lowboys, we manage all material and equipment hauling in-house. This internal capability is a significant advantage for our Wilsonville clients. It guarantees that equipment arrives on time and that soil, rock, and other materials are moved efficiently, keeping your project on schedule. By eliminating reliance on third-party logistics, we maintain complete control over the project timeline and budget.
Our Work in Wilsonville and the Willamette Valley
We are proud to have contributed to the growth and development of communities throughout the Portland metro area, including Wilsonville and its neighboring cities.
Our extensive portfolio showcases our ability to tackle the unique challenges presented by Pacific Northwest terrain, weather, and regulations. We have a deep understanding of the local soil conditions and the engineering required to build lasting foundations in this environment.
Commercial Sitework
- Location: Wilsonville, OR
- Contractor: Legacy 6, Inc.
Project Scope:
- Site Preparation & Land Clearing
- Demolition of Existing Structures
- Septic & Well Abandonment (if applicable)
- Debris Removal & Site Clean-Up
- Safety & Environmental Compliance
Project Details:
Legacy 6, Inc. recently completed a Commercial Sitework project in Wilsonville, OR, preparing a large property for redevelopment. The work involved clearing dense vegetation, demolishing aging structures, disconnecting utilities, and removing debris to deliver a safe, build-ready site. Despite challenges such as limited site access, strict county permitting requirements, and the discovery of hidden underground features, Legacy 6 successfully managed the project.
Underground Utilities
- Location: Wilsonville, OR
- Contractor: Legacy 6, Inc.
Services Rendered:
- Excavation & Grading
- Utility Installation
- Erosion & Drainage Control
- Material Hauling & Import/Export
- Compaction & Stabilization
Project Details:
Legacy 6, Inc. successfully executed a Underground Utilities project in Wilsonville, OR, transforming raw land into a fully prepared site for commercial development. The team handled excavation, grading, underground utilities, and erosion control with precision, overcoming soil and drainage challenges to deliver a safe, compliant, and construction-ready foundation for future builds.
What Our Clients Say
Frequently Asked Questions About
Excavation in Wilsonville, OR
Does Legacy 6 serve the entire Wilsonville area, including surrounding communities like Tualatin and Sherwood?
Yes, absolutely. We provide our full range of heavy civil services throughout Wilsonville and the entire Portland metropolitan area. Our service area includes neighboring communities such as Tualatin, Sherwood, Canby, and West Linn. Our fleet is strategically managed to efficiently handle projects across the region, ensuring timely service no matter the location.
Are you familiar with the permitting process for excavation and sitework in Wilsonville and Clackamas County?
Yes, we are. A critical part of our project management service is navigating local regulations and the permitting process. We have extensive experience working with the City of Wilsonville, Clackamas County, and Washington County planning and engineering departments. Our team ensures all sitework, grading, utility, and demolition projects are fully compliant, meeting or exceeding all local codes and requirements to prevent delays.
What kind of projects does your demolition services in Wilsonville cover?
Our demolition services are comprehensive and tailored to fit project needs. We handle structural demolition for both commercial properties like old warehouses and retail buildings, as well as residential structures. Our services also include more nuanced site-clearing tasks, such as breaking and removing old concrete foundations or pavement, and the proper abandonment of septic systems and wells on properties being prepared for new construction.
Can you handle large-scale sitework and grading in Wilsonville for a new subdivision?
Yes, large-scale residential and commercial developments are our specialty. This is where our extensive fleet of over 150 machines and our experienced team of project managers, superintendents, and operators truly shine. We are fully equipped to manage every aspect of sitework and grading for projects ranging from 10-lot residential subdivisions to 100+ lot master-planned communities, ensuring the entire site is developed efficiently and correctly.
What is included in your underground utilities Wilsonville, OR services?
Our underground utility services cover the full spectrum of installation, maintenance, and repair. This includes the excavation for and installation of new sewer lines (both sanitary and storm), water mains, and related service laterals. We work with a variety of materials and ensure proper bedding, backfill, and compaction for long-term system integrity. We also handle repairs on existing infrastructure and perform new connections to municipal systems, ensuring your site has reliable, long-lasting utility services.
Start Your Wilsonville Sitework Project with Confidence
Partner with a contractor who brings four generations of experience, a commitment to your project’s success, and the resources to get the job done right.
At Legacy 6, we leverage our hands-on value engineering approach and extensive in-house capabilities to ensure your project is completed on schedule, within budget,
and to the highest standards of quality. Let’s discuss how our dedicated team can support your vision in Wilsonville.
