Castle Rock County Government Finance and Taxation 100 3rd St Douglas County Government is strategically located between Colorado's two largest cities: Denver and Colorado Springs. Approximately 80% of the County's workforce commutes to jobs and offices in these urban centers. To provide local employment opportunities and diversify the tax base, the County actively plans for and pursues well-managed, quality commercial development. Castle Rock CO County Government Finance and Taxation Douglas County Sales Tax Info www.douglas.co.us Douglas County Colorado CO Government Castle Rock Highlands Ranch Lone Tree Larkspur Parker Assessor Board of County Commissioners Clerk and Recorder County Clerk Elections Motor Vehicle Recording Community Development Planning Building Community Se Douglas County Colorado CO Government Castle Rock Highlands Ranch Lone Tree Larkspur Parker Assessor Board of County Commissioners Clerk and Recorder County Clerk Elections Motor Vehicle Recording Community Development Planning Building Community Se Business Reviews Douglas County Sales Tax Info Testimonials