CSS is building and operating the Common Securitization Platform, a joint technology initiative of Fannie Mae and Freddie Mac which will create a more efficient housing finance system.

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Collaboration is Our Culture

Collaboration and focus is critical in our work to develop the Common Securitization Platform, which supports the issuance of the Uniform Mortgage-Backed Security (UMBS).

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One Team, One Mission

We are constantly looking to add to our teams in Bethesda, Maryland and Pasadena, California. Join us and be part of something special.

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Our Work

Common Securitization Solutions is a joint venture owned by Fannie Mae and Freddie Mac. Under FHFA’s direction, the Common Securitization Platform (CSP) was undertaken as a joint initiative by Fannie Mae and Freddie Mac to develop one common, flexible technological and operational platform to support single-family securitization.

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Our Culture

Since our inception as a company, CSS has fostered a “Work Hard, Play Hard” culture which reflects the intensity of the work that we are accomplishing while also recognizing the need for our team to enjoy a solid work-life balance.

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Our People

With the Common Securitization Platform, CSS has proven that it can run what it built … but bigger things are ahead. Our company offers great career growth opportunities for those interested in being part of one of the most exciting technology projects in the U.S. housing finance sector, a project that will positively impact homeowners for decades to come.

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CSS Video Library

The CSS Story
How the CSP Works