Since 1974, a house situated in the grounds of the observatory, at Number One Observatory Circle, has been the official residence of the Vice President of the United States.
Semenjak tahun 1974, jalan Observatory Circle nomor satu, sebuah rumah terletak di tanah milik observatori (dulu rumah milik pengawas observatorium), telah menjadi kediaman resmi wakil presiden Amerika Serikat.