Looking for Portland OR Drain Cleaning Service Portlands #1 Drain Cleaning Company. Grumpys Drains opened their doors in 2006; they have been consistently building customer support and growth even through the slowed downed economy 15-30% each year. Our specialty is Drain Cleaning for home owners rental property managers apartments and small commercial units. With over 170 A+ reviews on Angies List. If you are in Portland OR and are looking for Drain Cleaning Service please call 503-422-9476.