Outdoor living spaces—screened porches, decks, outdoor kitchens—are more popular than ever in Montgomery County, and for good reason. They extend your home’s usable space, boost curb appeal, and create year-round areas for entertaining and relaxing. But as demand for outdoor expansions grows, so do the number of homeowners who jump into these projects without the right planning. Here are the top five mistakes we see—and how to avoid them.