Noblis, Inc., a nonprofit organization that provides technical and advisory services to federal government clients, agreed to a 10-year lease for 19,892 square feet at 500 L’Enfant Plaza SW, a new office building JBG Smith is developing in the Southwest Washington office enclave.
Noblis will occupy the entire ninth floor once the building finishes construction scheduled for later this year. It will join fellow non-profit Urban Institute, which…