Your Premier Excavation Contractor in Oak Grove, OR
Partner with four generations of heavy civil expertise for your Oak Grove development project.
- Fully Licensed & Insured for Your Peace of Mind (OR CCB 217133)
- In-House Fleet of 150+ Units to Handle Projects of Any Scale
- Value Engineering Approach to Minimize Costs & Project Delays
The Trusted Partner for Developers & Contractors
in Oak Grove
Legacy 6 Inc. isn’t just another contractor; we are a fourth-generation, family-owned heavy civil excavation firm dedicated to building lasting relationships. Our 80%+ repeat client rate is a direct result of our commitment to partnership, communication, and treating every project as if it were our own. For developers and general contractors working on projects in Oak Grove and across Clackamas County, this means you get a team that is deeply invested in your success. We don’t just show up to move dirt; we become an integral part of your project team, proactively solving problems and ensuring your goals are met with precision and integrity.
Our approach is built on a foundation of over-communication and a team-first mentality. We believe that transparency and collaboration are key to foreseeing potential issues before they become costly delays. By viewing each project through the lens of ownership, we develop innovative ideas and practical solutions that optimize schedules and reduce unexpected costs. When you partner with us for your Oak Grove development, you are choosing a reliable, professional, and dedicated ally committed to delivering exceptional results.
4 Generations of Industry Experience
80%+ Repeat
Client Rate
Oregon CCB #
217133
SDVOSB
Certified
Comprehensive Sitework & Excavation Services
in Oak Grove
Our full-service capabilities ensure your project in Oak Grove moves forward seamlessly, from initial site prep to final grading. With our extensive in-house fleet and experienced crews, we manage every phase of development for commercial sites, apartment complexes, and residential subdivisions. We are the single-source contractor you need to prepare your site for vertical construction, eliminating the headaches of coordinating multiple subcontractors and ensuring a smooth, efficient workflow.
Expert Excavation and Grading
We provide precise excavation and grading services essential for a successful build. Our team specializes in preparing building pads, parking lots, and residential subdivisions, creating the stable foundation your project requires. Proper sitework and grading in Oak Grove is the literal groundwork for your entire project, and our meticulous attention to detail ensures a stable, compliant, and perfectly prepared base for any structure. We utilize advanced GPS technology and state-of-the-art equipment to achieve exact specifications, ensuring proper drainage and soil compaction that meets or exceeds Clackamas County engineering standards.
Efficient Land Clearing & Demolition Services
Legacy 6 offers comprehensive demolition services in Oak Grove for both commercial and residential properties. We handle everything from complete structural demolition and septic abandonment to clearing densely vegetated land for new development. Our process is safe, efficient, and methodically planned to prepare your site for the next phase with minimal disruption to the surrounding community. We manage all aspects of the demolition process, including material recycling and disposal, ensuring your site is clean, clear, and ready for groundbreaking.
Underground Utilities Installation & Repair
A critical component of any development is the proper installation of essential services. We are experts in installing and repairing underground utilities in Oak Grove, OR, including storm drains, sanitary sewer lines, and water systems. Our seasoned team ensures all utility work meets local codes and is integrated flawlessly with the overall site plan. We understand the complexities of tying into existing municipal infrastructure and have extensive experience working with Clackamas County utility districts. From trenching and pipe laying to backfilling and compaction, we deliver reliable utility systems built to last.
Structural Retaining Walls & Road Construction
For developments with complex topography or essential infrastructure needs, we construct durable structural retaining walls and build private and public access roads. Our engineering knowledge and construction expertise ensure that these critical structures provide long-term stability and functionality for your Oak Grove project. Whether it’s a large-scale segmental block wall to create a level building pad or the construction of new roads for a subdivision, we have the skills and equipment to deliver robust solutions that enhance the value and usability of your property.
In-House Trucking & Material Logistics
Project timelines depend on the timely movement of materials and equipment. Our private fleet of over 150 units, including Super Solos, Truck and Pups, Lowboys, and End Dumps, gives us complete control over project logistics. This significant in-house capability prevents the delays often caused by reliance on third-party trucking companies. For your Oak Grove job site, this means materials arrive when needed, spoils are removed efficiently, and heavy equipment is mobilized on schedule, keeping your project running smoothly and on time.
Our Work in Oak Grove & Clackamas County
We have a proven track record of successful projects throughout the Portland metro area, including communities like Oak Grove, Milwaukie, and Oregon City. Our team possesses deep knowledge of Clackamas County’s specific soil conditions, challenging weather patterns, and unique building regulations, allowing us to navigate the permitting and construction process with unparalleled efficiency. This local expertise is not just a benefit; it’s a critical advantage that translates into smoother projects, fewer surprises, and better outcomes for our clients. We understand the local landscape, from the geology to the regulatory environment, ensuring your project is built correctly from the ground up.
Commercial Sitework
- Location: Oak Grove, 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 Oak Grove, 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: Oak Grove, 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 Oak Grove, 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 Pacific Northwest Partners Say
Our reputation is built on the trust and success of our clients. While we complete projects across the region, the sentiment is always the same: we are a partner you can count on.
Start Your Oak Grove Project with a Proven Partner
Ready to discuss your commercial or residential development in Oak Grove? Don’t settle for a contractor who just executes a plan. Partner with a dedicated team that brings four generations of experience, an unwavering commitment to safety, and a proactive, team-first approach to every job. Let’s work together to make your project a success.
Phone: 360.690.5339
OR CCB: 217133
Frequently Asked Questions About
Oak Grove Sitework
What types of projects does your excavation contractor team handle in Oak Grove, OR?
As a full-service excavation contractor in Oak Grove, OR, we handle a wide range of projects for developers and general contractors. Our expertise covers large-scale residential subdivisions (10-100 lots), multi-family apartment complexes, commercial building pads for retail or office space (5k-500k SF), parking lots, and public infrastructure work. Our in-house team and extensive fleet of over 150 pieces of equipment are equipped for jobs of virtually any size and complexity, ensuring we can provide a complete sitework package from start to finish.
Are you familiar with Clackamas County permitting for demolition and excavation?
Yes. We have extensive experience working with Clackamas County and the specific municipal requirements governing Oak Grove and the surrounding unincorporated areas. Navigating the local regulatory landscape is a key part of our service. We manage the process to ensure all demolition services, sitework, grading, erosion control, and utility installations are fully compliant with local codes and environmental standards, helping you avoid costly delays and potential fines. Our long-standing presence in the region means we have established relationships and a deep understanding of the permitting process.
How does your 'Value Engineering' process benefit my project?
Our value engineering is a core part of our partnership approach and comes at no extra charge. We leverage our deep industry and local experience to analyze project plans from an owner’s perspective. We proactively identify opportunities for efficiency, cost savings, and improved long-term performance—before work begins. This could involve suggesting alternative grading plans to balance cut and fill, proposing different materials for retaining walls, or optimizing utility layouts to reduce trenching. This proactive problem-solving is designed to enhance project value and mitigate risks.
Can you manage all site preparation, including underground utilities in Oak Grove, OR?
Absolutely. We are a comprehensive sitework contractor, which means we serve as a single point of contact for all your site preparation needs. Our in-house crews manage every stage, from initial land clearing, demolition, and mass grading to the final installation of all underground utilities in Oak Grove, OR. This includes sanitary sewer, water mains, and storm drainage systems. By managing the entire process, we ensure seamless coordination, eliminate scheduling conflicts between multiple subcontractors, and maintain consistent quality control throughout the project.
What is your commitment to safety on job sites?
Safety is our highest priority and the foundation of our company culture. We are uncompromising in our commitment to the health and safety of our employees, our clients’ personnel, and the community. We maintain a comprehensive safety program that exceeds OSHA and L&I requirements, which includes daily site-specific hazard analyses, weekly safety meetings, and a zero-tolerance drug policy with random testing. Our goal is a ‘Zero Accident Mindset’ where every team member is empowered and responsible for maintaining a safe work environment. This commitment protects everyone involved and ensures your project proceeds without preventable incidents.
