GJ Koeppen Construction succeeds by delivering outstanding performance. We believe in service beyond expectations achieved through a constant desire to anticipate and fulfill evolving customer needs. Honesty, integrity, and commitment are vital componets to GJ Koeppen Construction’s mission. We share pride in our company and resp​ect each individual’s contribution at every level. For more details on our basement finishing, remodeling and renovation services, call us on 720-378-7660.