Waterstone Mortgage Corporation is a premier residential mortgage lender helping families and individuals realize their own American Dreams of homeownership. We distinguish ourselves from our competitors through honesty, integrity and the willingness to assure the complete satisfaction of every individual we serve. Waterstone Mortgage Corporation (NMLS #186434) is headquartered in Pewaukee, Wisconsin, and is a wholly owned subsidiary of WaterStone Bank SSB (NASDAQ: WSBF). Equal Housing Lender. All loan requests are subject to credit approval and program guidelines. Information published on this site should not be construed as legal advice or credit counseling. Waterstone Mortgage Corporation is not a licensed real estate broker. .