Martens Appraisal has been providing commercial real estate services since 1948. Under the leadership of four MAI's (Members of the Appraisal Institute), our appraisal team comprises over 100 years of combined experience. We offer expertise in a wide variety of property types including: hotels, medical facilities, office, retail, mini-storage facilities, industrial facilities, multi-family or residential development as well as commercial properties that might be considered somewhat uncommon.