Socialist mayoral wannabe Zohran Mamdani pledged not to take donations from real estate fat cats, but his campaign coffers are stuffed with $3,700 from the industry. The Queens state senator received $1,000 from Mohannad Malas, who heads Dana Investment Corp., a California-based firm that develops and manages commercial and residential properties nationwide. He pocketed $150 from Joseph Riggs, a principal at Hudson Companies. The company’s many…
