Design Source is the region’s leading interior design firm and interior planning firm located in Spokane, Washington. The interior designers have provided interior design consulting services to the Pacific Northwest region’s businesses and homeowners since 1987. With a commitment to responsible, sustainable design, we transformed Spokane’s 1930 Fire Station No. 9 into an inspiring studio. For over 25 years (or 175 dalmatian years), our passion, innovation and attention to detail has been part of every project.