About Dercon

Thank you for considering Dercon Construction for your next construction project. Dercon Construction is a Licensed, Full service general contractor located in Andover, MN. Dercon is capable of meeting any of your construction needs Interior and Exterior for your home. In addition to remodeling and addition work, Dercon is also very proficient in handling insurance claims of any size. We pride ourselves on our quality of work and exceeding our client’s expectations. We love what we do and are excited to have you join in on the fun.

Leadership Team

Dean Marquette


Passion. Wisdom. Experience

Dean Marquette founded Dercon Construction Services in 2004 . He has been a resident of Anoka county for nearly 50 years, and has over 30 years of experience in the construction industry. He has been commended for his great problem solving, listening skills, and extensive knowledge of the construction industry. Dean began Dercon as a side job but within a few years, the demand was high enough that he decided to take the risk and work on his company full-time. Dean is passionate about construction work, our company, and our clients. This passion is reflected in our customer experience and workmanship.

Derek Marquette

Production Manager

Detailed. Reliable. Empathetic.

Derek Marquette is Dean’s oldest son. He attended the College of St. Scholastica in Duluth where he obtained a Bachelor’s Degree in Economics with minors in Finance and Marketing. He has been working with his father since the age of 12, and joined the team as a full-time production manager in 2014. He prides himself on customer satisfaction and has a goal of running jobs as efficiently and seamlessly as possible. Creating strong relationships with our vendors, vetting subcontractors, and continuing product education to ensure the best experience and value for our clients.

Conner Marquette

Home Improvement Sales Consultant

Ambitious. Dependable. Optimistic.

Conner Marquette is Dean's youngest son. Conner attended college at St. Cloud State University where he obtained a Bachelors Degree in Psychology with minors in Entrepreneurship and Sales. He is also a licensed realtor. Conner has been working with his father since the age of 13 and has been a top sales consultant for 5+ years. Conner is always striving to make our customers experience top notch through his great communication, informative style, and product knowledge.

Bruce Stageberg

Sales Manager

Driven. Knowledgeable. Persistent.

Bruce Stageberg joined the Dercon team in 2013 as our sales manager. Professionalism, product application knowledge, and persistent drive are critical to providing an exceptional experience to our clients. Bruce helps ensure that our staff delivers. Along with 15 years of sales management experience, he brings expertise in insurance claims management, estimating and negotiations. The level of persistence he displays when working with our clients to ensure that their loss is fully covered is unrivaled.

Stephan Thomas

Job Supervisor

Thorough. Organized. Detailed.

Stephan Thomas joined the Dercon team in 2017 and has been a great addition. Stephan has brought a wealth of knowledge and experience in many different areas of the Construction industry. His attention to detail and forward thinking has helped improve the efficiency & quality of our jobs. Ensuring your project stays on schedule and is finished to your satisfaction is Stephans number one goal.

Ryan Kelly

Home Improvement Sales Consultant

Enthusiastic. Determined. Sociable.

Ryan Kelly joined the Dercon team in 2013 and has been a top sales consultant for many years. Ryan's unique personal experience and charismatic nature help in creating involved clients and great customer relationships. He strives to guide his customers through the process making your project easy, fun, and worry free.

Lori Strandlund

Office Manager

Caring. Patient. Honest.

Lori Strandlund joined the Dercon team in 2016. Lori brought some impressive experience and knowledge of the construction industry to Dercon and helped refine our systems and processes in the "back office." Her attention to detail and caring personality ensure that all documentation is accurate, up to date and our customers are cared for.

Production Team

Frank, Alec, Boston, Shaun, Phil

Hard Working. Respectful. Craftsman

Our production team gets the work done, keeping your job site neat, clean, & organized.