Sales tax permit · Colorado
Registering for a Colorado sales tax permit
Colorado's state sales tax rate is 2.9%, local taxes come on top, and its remote seller threshold is $100,000 in sales, measured over the previous or current calendar year. If your business has crossed it and needs a permit, we prepare and submit the Colorado registration through tax.colorado.gov/out-of-state-businesses for $99, plus any state fee at cost.
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The Colorado rule for out-of-state sellers
Retail sales into Colorado over $100,000. Some home-rule cities administer their own sales taxes separately from the Department.
Colorado has a marketplace facilitator law, so sales through a marketplace that collects for you are handled by the marketplace.
Registration portal: tax.colorado.gov/out-of-state-businesses. Alabama · sales tax for online sellers
Paperwork only: whether your sales count toward the threshold is a tax question for your preparer. State fees at cost.
Sources
Questions
What is Colorado's remote seller threshold?
$100,000 in sales, measured over the previous or current calendar year. The state's test has no transaction count.
Does Colorado have local sales taxes?
Yes, the state's pages say local taxes also apply on top of the 2.9% state rate.
Where do I register in Colorado?
On the state's portal, tax.colorado.gov/out-of-state-businesses. We submit it there for you.
Tallyfinch
Books you keep on your own computer
Tallyfinch does invoices, bills, bank import, reconciliation and the main reports, in a file you own. $99 once, then $5 a month for updates; the app keeps working if you stop the plan. It does not do payroll or sales tax filing. The free download records up to 60 entries.
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