state · United States

Online gambling and sports betting in Colorado

Colorado legalised online and retail sports betting in May 2020; online casino remains illegal. The Division of Gaming regulates sports betting, publishes licensed-operator lists, and Colorado restricts sportsbook advertising, including promotions involving unlicensed betting.

Online sports betting
Legal
Online casino
Not legal
Retail sports betting
Legal
Online live since
2020-05

Checked 2026-09-21. Not legal advice.

ColoradoOnline sports betting: Legal · Online casino: Not legal
  • Online betting and casino legal 7
  • Online sports betting only 27
  • No legal online gambling 17

Boundaries: US Census Bureau (public domain), via geoBoundaries

Casino, sports betting, poker and more

Colorado licenses live casino poker and regulated online sports betting, but not online casino play or real-money online poker. Sports betting is the only broad online gambling vertical expressly regulated; poker is allowed in licensed casinos, not online. Casino-style online games remain outside the state framework.

ProductStatusWhat that means
Online sports bettingLegal
Online casinoNot legal
Online pokerRestrictedNot state-licensed for real-money online poker; Colorado authorizes live casino poker and regulated online sports betting only.
Sweepstakes and social casinosUnregulatedColorado has no sweepstakes‑casino‑specific statute or ban, and no AG or Division of Gaming actions against Chumba/Stake.us/McLuck as of 2026.
Prediction marketsLegalReal‑money prediction markets (Kalshi, Polymarket, Robinhood/Crypto.com event contracts) are legal but unlicensed financial products in Colorado; no specific cease‑and‑desist or blocking action identified as of 2026.
Mystery boxesUnregulatedSet nationally. Unregulated federally; FTC 2025 settlement required loot-box disclosures, but no U.S. law/regulator has classified paid mystery boxes or loot boxes as gambling.

Key facts

  • Online sports betting legal since 2020-05.
  • Online casino illegal under current Colorado law.
  • Retail sports betting legal in Colorado.
  • Regulator is the Colorado Division of Gaming.
  • Operates under the Limited Gaming Control Commission.
  • Division keeps a licensed sportsbook list.
  • Advertising of sportsbook ops is restricted.
  • May require 1-800-GAMBLER messaging.
  • Colorado does not license online casinos.

Regulator and law

Colorado Division of Gaming sbg.colorado.gov

Colorado sports betting framework; law unconfirmed.

Advertising unlicensed gambling in Colorado

Not confirmed. unconfirmed.

Sportsbook ads are restricted; current materials also mention limits on marketing affiliates and broadcast timing. Express offshore-ad prohibition not confirmed.

National rules also apply — see online gambling regulation in United States.

Checking a licence

The regulator publishes a list of licensed or authorised operators.

https://sbg.colorado.gov/licensed-sports-books-and-operators

Recent developments

  • 2026 rule updates referenced media-targeting limits.
  • 2026 bill materials added ad limits and enhanced-payout promotion bans.
  • Division operator list updated in 2026.

What we could not confirm

  • Exact main statute section.
  • Whether advertising unlicensed/offshore gambling is expressly prohibited in one current provision.
  • Whether Colorado treats sweepstakes/social casinos as legal under promotional/contest law or as gambling
  • Whether Colorado specifically classifies prediction markets as gambling, securities, or CFTC-regulated derivatives
  • Whether Colorado has any explicit rule for paid loot boxes/mystery boxes beyond general consumer-protection or gambling law

Sources

Online gambling and sports betting in Colorado — Brandfense