The TORONTO REGIONAL REAL ESTATE BOARD is a not-for-profit corporation founded in 1920 by a small group of real estate practi ... tioners. Today, as Canada's largest real estate board, TRREB serves about 62,000 licensed real estate Brokers and Salespersons in and about the Greater Toronto Area. TRREB is the collective voice for both its commercial and residential REALTOR® Members and operates under the direction of an elected voluntary Board of 14 Directors. read more