Ben Bay Realty Company. Full Service Brokerage Firm with Residential and Commercial Sales and Rentals. #1 Real Estate Office In Brooklyn. At Ben Bay Realty, we can help you find your dream home, or sell your current home for the best possible price with our qualified buyers. Our competent staff is eager to assist you with all of your real estate needs. Give us a call, or come in and check out our huge inventory of listings, or for your free market appraisal. On our website you will find detailed information and open house schedules along with many online resources such as our online loan calculator. Please contact us with any questions, comments or concerns by calling us at 718-680-6442 in Dyker Heights or 718-238-6080 in Bay Ridge.