welcome to the city of sumner. located in the puget sound region of washington state, sumner is known for its small-town charm, quality business opportunities and the distinction of being the rhubarb pie capital of the world. whether you’re living, working, visiting or doing business in sumner, the website offers information to get you started. pages feature options for lodging, information about water quality, options to pay your utility bill online and even see what cats and dogs are available to adopt at the metro animal services shelter. come on in to sumner, a city that’s both progressive and small.