How long does a home addition take in College Park?

A home addition in College Parktypically runs between 6 and 16 months from your first design conversation to move-in day, with a median of around 11 months, figures drawn from 159 completed MOSS addition projects across the DMV region. That full span breaks into three overlapping phases: design and selections (where the floor plan, materials, and finishes are finalized),permitting and approval, and then on-site construction. The actual building work is only one part of that timeline, and homeowners are sometimes surprised to learn how much of the schedule lives in the earlier phases.

Where your College Park project lands in that 6-to-16-month window depends on several factors. A straightforward bump-out over a crawl space moves faster than a two-story addition with a new foundation and structural beam work. On the permitting side, Prince George's County typically takes 20 to 30 days from a complete submission to permit issuance, though a resubmission cycle, triggered if plan reviewers request revisions, can add another 7 to 10 business days on top of that. Long-lead materials like custom cabinetry and windows can stretch 10 to 14 weeks or more, and older College Park housing stock occasionally reveals surprises, outdated wiring, hidden load-bearing walls, or undersized footings, that require replanning once walls are open.

MOSS's design-build model is built specifically to compress the gaps between those phases. Because our designers, project managers, and trade partners work as a single team, permit documents are prepared and submitted as soon as design is locked rather than waiting on handoffs between separate firms. We order long-lead materials during design so they arrive on-site close to when installers need them, not weeks after. And our familiarity with Prince George's County plan review means our submissions are thorough from the start, reducing the back-and-forth that can quietly add months to a project.