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All requests for proposals are posted on the Rocky Mountain Bid System website. Interested bidders need to register with Rocky Mountain Bid System. Direct any questions to:Purchasing 303-660-1377Town of Castle Rock100 N Wilcox St.Castle Rock, CO 80104
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Castle Rock's combined sales tax rate is 7.9%, which includes State of Colorado (2.9%), Douglas County (1%) and Town (4%).
Please visit the Revenue/Sales Tax page for the proper applications. Contact the Sales Tax Division via email or 303-660-1397.
Your tax money supports the Town's Fire and Rescue, Police, streets, Parks, Open Space, Recreation Center and administration services.