For Michael Oscapinski, Christmas is the greatest time of year. He has spent much of his life collecting unique decorations, many vintage and all with personal meaning. When he bought his rowhouse in Pennsport in 2011, his first priority was visualizing where his ornaments, figurines, candles, and gnomes would shine. Though the 3,000-square-foot, two-story home built in 1921 needed a major cosmetic do-over, it fit his collection perfectly. The previous owners were Portuguese stonemasons who had tiled the dining room from floor to ceiling in a gaudy pattern and painted much of the house pink, Oscapinski said. Every room — including the bathrooms — had a chandelier. His partner, Mitch…