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About Us

Libor President Mary Alice Ruppert

Mary Alice Ruppert
2016 LIBOR President

Long Island Board of REALTORS®, Inc.

The Long Island Board of REALTORS®, Inc. (also known as LIBOR) is a 20,000 member not-for-profit trade association that serves real estate professionals throughout Nassau, Suffolk and Queens counties. LIBOR is the largest local REALTOR® Board in the United States. REALTOR® members subscribe to a strict Code of Ethics and Standards of Practice. Not every real estate licensee can be called a REALTOR®. LIBOR members may elect to participate in the MLS, and are members of the National Association of REALTORS® (NAR), and the New York State Association of REALTOR®.
MLS President David Lucas

David Lucas
2016 MLSLI President

Multiple Listing Service of Long Island, Inc.

The Multiple Listing Service of Long Island, Inc. (MLSLI), is a computerized network of more than 2,300 cooperating real estate offices, located across Nassau, Suffolk and Queens counties. Within this service, thousands of professional REALTORS®, both owner brokers and their sales associates, share listing and sale information, and work together to serve the buying and selling public. MLSLI is a wholly owned subsidiary of the Long Island Board of REALTORS®.


Joseph Mottola Libor/MLS CEO

Joseph Mottola

has spent the past 37 years in the housing industry, both public and private. As the Chief Executive Officer (CEO) of the Long Island Board of Realtors (LIBOR), he leads the largest local Realtor Association in the Country. Additionally, he is the CEO of the for-profit Multiple Listing Service (MLS) that encompasses more 2,300 than cooperating real estate offices. It is the sixth largest MLS in the country and gives Realtors computerized access to properties in the system to better serve buyers and sellers.

Company Profile

LIBOR and MLSLI offer many career opportunities. Click here for more information.

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