Steptoe & Johnson LLP has a decision on its hands. Between now and the end of the year, the firm will choose whether to move its 300 Washington lawyers to a new office, or stay in the Dupont Circle building it constructed during the early 1980s.

So far, the firm’s “space committee” has thought about spots in “NoMa,” the budding modernist neighborhood north of Massachusetts Avenue and straddling North Capitol Street. They’ve looked around CityCenterDC, where Covington & Burling will move this fall. They’ve met a few times a month and talked with developers.