MNS is the most comprehensive Real Estate firm in NYC using fact-based, data-driven development to add value at every stage o ... f your project to final sale. MNS currently has over 12,000 units in new development sales/leasing and re-leasing in Brooklyn, Manhattan and Queens. MNS has an in house design and marketing team to ensure unit mixes, floor plans, and square footage are in line with what the market wants and reach your target audience. read more