GAINESVILLE, FLA. — Walker & Dunlop Inc. has arranged a $22 million refinance loan for a portfolio of three student housing communities located near the University of Florida campus in Gainesville. Paul Ahmed of Walker & Dunlop arranged the 10-year, fixed-rate loan with a 30-year amortization schedule on behalf of the borrower, Trimark Properties. The portfolio of properties includes Solaria II, Tuscana and Savion Park. Altogether, the three properties comprise 114 units and 157,000 square feet. Community amenities at the properties include private balconies, internal courtyards, parks with jogging paths, electric wine chillers and 24-hour concierge services.