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Business Details
30 Years
experience
Your Trusted Commercial Construction Partner in Oregon City, OR
Jansen Construction Company has been delivering quality general construction, design, and development services since 1996. As a family-owned business, we approach every project with the same care we would for our own family, prioritizing quality above all else. Our team of experienced professionals partners directly with clients and architects from project inception to ensure alignment with goals and expectations. We specialize in commercial construction, hotel builds, and renovations, maintaining strict adherence to schedules and budgets while delivering exceptional results. With over 25 years of industry experience, our hands-on leadership ensures personalized attention to every detail. We selectively take on projects where we can make a meaningful contribution, guaranteeing our full commitment to client success.

Our value-driven approach combines cost estimation expertise, proactive problem-solving, and comprehensive project management from pre-construction planning through post-completion support. Clients consistently praise our ability to transform visions into reality while maintaining open communication and transparency throughout the process. Our dedication to excellence has earned us repeat business and strong partnerships across the United States. Whether developing new construction or managing complex renovations, we remain focused on building lasting relationships through reliable, high-quality service.
Services
Pre-Construction Construction Post-Construction Renovation Commercial Construction
Details
  • Year established: 1996
Highlights and features
  • Family-owned since 1996 with hands-on leadership involvement in every project
  • Specialize in complex commercial construction and hotel renovation projects
  • Guarantee on-time, on-budget delivery through meticulous planning and execution
  • Maintain direct client collaboration from project inception to completion
  • Prioritize quality assurance through rigorous subcontractor selection and oversight
What people say
High-quality construction On time delivery Responsive communication Budget adherence Repeat business
Services
Pre-Construction
Our pre-construction services include comprehensive development planning, accurate cost estimation, and realistic scheduling. We partner with clients and architects from project inception to establish clear goals and expectations. Our team conducts value analysis to optimize budget allocation while maintaining quality standards through periodic project reviews with all stakeholders.
Construction
We provide full construction management with dedicated project managers and on-site supervisors. Our team ensures timely completion through proactive issue resolution and strict budget control. We maintain open communication between all parties while enforcing quality standards through our rigorous subcontractor evaluation process and hands-on leadership involvement.
Post-Construction
Our commitment extends beyond project completion through comprehensive post-construction support. We provide detailed owners manuals with system specifications and manufacturer contacts. Our team remains available to address any post-completion issues, ensuring long-term satisfaction through continued maintenance guidance and problem resolution assistance.
Renovation
We specialize in commercial renovations that minimize business disruption while maximizing results. Our team develops efficient project schedules to reduce downtime and implements value-driven solutions that balance budget constraints with design objectives. We maintain close collaboration with architects to ensure renovations meet both functional and aesthetic requirements.
Commercial Construction
We deliver full-service commercial construction solutions from site selection to final completion. Our expertise includes hotel developments, multi-family housing, and commercial buildings. We maintain strict quality control through our experienced management team and established subcontractor network while guaranteeing adherence to project timelines and budget parameters.
People
Alex Jansen
Co-Owner
With over 30 years in the construction industry since 1991, Alex Jansen co-founded Jansen Construction Company in 1996. He remains actively involved in all projects, applying his extensive experience in commercial construction and project management to ensure client satisfaction through quality-driven solutions.
Gina Jansen
Co-Owner
Gina Jansen brings more than 25 years of construction industry expertise to Jansen Construction Company. As co-owner since 1996, she works closely with clients and architects to develop practical solutions that balance budget constraints with quality requirements while maintaining hands-on oversight of all company operations.
Questions
What types of construction projects do you specialize in?
We specialize in commercial construction, hotel developments, and renovation projects for both new construction and existing properties.
How do you ensure projects stay on budget?
Our pre-construction cost estimation and value analysis process identifies potential cost savings while maintaining quality standards throughout the project lifecycle.
Do you work outside Oregon?
Yes, we complete projects throughout the United States, with recent projects in Oregon, Idaho, and New Mexico.
How do you handle project scheduling challenges?
We develop realistic schedules with contingency planning and maintain proactive communication to address potential delays before they impact timelines.
What post-construction support do you provide?
We offer comprehensive post-construction support including owners manuals, system documentation, and ongoing maintenance guidance.
How are subcontractors selected for projects?
We maintain a rigorous evaluation process for all subcontractors to ensure quality workmanship and adherence to our standards.