The orange moon shown above the warehouse the first night Uriel is held captive is a "blood moon". Superstitions, both Biblical and otherwise, regard the blood moon as a harbinger of the End of Days, or a sign of major change in the world.
When Raphael reveals the warehouse's address to Satan, he tells him that it is 1826 Briggum Street. The Bible verse Matthew 18:26 goes as follows: "At this, the servant fell on his knees before him. 'Be patient with me,' he begged, 'and I will pay back everything.'" Toward the end of the Titus arc, Natalie McAllister uses her contract to silence Hell in Satan's mind. This Biblical verse foreshadows Satan later giving up his last two sets of wings in exchange for Natalie's life and health.
The street name "Briggum" derives from the Old English "Brigham", which means "bridge settlement". While settlement may mean to permanently reside somewhere, it also means "an official resolve to a dispute or conflict." At the warehouse, Natalie uses her contract to prevent Hell from taking over Satan's body anymore without his consent. The last time Hell was seen was on the bridge in Oregon during the Run arc. Through the use of her contract, Natalie has "settled" the dispute with Hell over its control of Satan's body.