Denver. Buildings. Security Purchased by Van Schaak and Company. Post Apr. 3, 1964 p.51 Empire purchases 12-story Security building for $1.7 million. Post S 29, 1974 p.1E Remodeling underway to link Security building and Empire' Savings. Post Mr 14, 1976 p.lE Remodeled 1920's 12-story office building at 17th & California renamed Empire Savings Building. Post My 22, 1977 p.5G 0