Do Window Replacements Need a Permit in Montgomery County, MD?
When A Window Replacement Can Be Done Without A Permit For many homeowners in Montgomery County, MD, replacing a failed window is routine work that can stay outside the permit process, provided the opening stays the same. What matters most is not the label on the window, but whether the installation changes the building opening in a way that triggers review. When the new window drops into the same opening and the framing stays intact, the county commonly treats it