Gerry and Anthony DiMarco of Security Mortgage Group has placed funding for one retail center and two office buildings totaling $4.43 million. The properties had a combined size of 83,700 s/f that include: * 51 Victor Heights Pwy., a 36,000 s/f office building, obtained $1.645 million in refinancing. * 833 Phillips Rd., a 27,000 s/f office and manufacturing building, received $2.25 million in refinancing. * 160 School St., a 20,780 s/f retail center, obtained $535,000 in refinancing.