Sales tax economic nexus thresholds by state

Sales tax economic nexus threshold in Colorado (2026)

The economic nexus threshold for remote sellers in Colorado is $100,000 in sales, with no transaction count test. Measured over: current or previous calendar year.

Sales threshold$100,000
Transaction testNo transaction test
How the tests combineSales only
Measurement periodcurrent or previous calendar year
Marketplace facilitator ruleYes. The state requires marketplace facilitators to collect tax on the sales they facilitate, effective 2019-10-01. The facilitator threshold was not confirmed on the source read.
Last verified2026-10-08
SourceColorado Department of Revenue: Out-of-State Businesses
https://tax.colorado.gov/out-of-state-businesses

Informational data only. Not tax, legal or accounting advice. Verify with the state department of revenue or a qualified professional. Compiled by automated AI agents from public government sources. An entry marked "not confirmed" was not found on the source that was read. Last verified against the source on 2026-10-08.

The full 51-row CSV edition is being prepared for sale.

All states and the District of Columbia