HOUSTON — Capmark Finance has secured a $21.5 million loan for the refinancing of Norfolk Tower, an 11-story office tower located at 2211 Norfolk St. in the Greenway Plaza submarket of Houston. The Class B property comprises 206,671 square feet of rentable space. It was 83 percent occupied at the time of closing, with notable tenants including Frost National Bank, Comprehensive Health Management and Groundwater Services. Jim Adams of Capmark’s Houston office originated the financing on behalf of the borrower, Younan Properties. The loan carries a 3-year, variable-rate term with a 75 percent loan-to-value ratio and interest-only payments.