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Revenue Online

File state taxes and manage your state tax account.

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With information on your personal Colorado vehicle use, Your CDOT Calculator will approximate how much you contribute annually in taxes and fees to support the transportation system you use. It also shows how CDOT uses that revenue to maximize each dollar spent on the state’s highway system.
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Pay your Ciy of Denver parking, boot, and other fees online, by phone, or by mail.
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Any boat with a motor or sail operated in Colorado on any public waters must be registered with Colorado Parks and Wildlife.​​​ Online registration renewal for vehicles and vessels is available to people who already have their vehicle registrations added to their accounts.
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Biological pest control helps decrease agriculture's reliance on chemical pest control. Request-A-Bug to place your online request for biological pest control.
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The Colorado Division of Child Support Services (CSS) works with parents and caretakers to make sure all Colorado kids get the financial support they need to thrive. Apply for Colorado Child Support Services online.
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Colorado PEAK is the place to apply for and manage your medical, food, cash or other State of Colorado benefits online.
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​​​​​​Snowmobiles that are operated on public land or trails in Colorado must be registered with Colorado Parks and Wildlife.​​​ Online registration renewal for vehicles and vessels is available to people who already have their vehicle registrations added to their accounts.