state · United States
Online gambling and sports betting in Washington
Retail and geofenced on-premise mobile sports betting are legal only at tribal casinos under compacts; online casino remains illegal and online gambling is broadly criminalised outside tribal frameworks.
- Online sports betting
- Legal
- Online casino
- Not legal
- Retail sports betting
- Legal
- Online live since
- 2021/09
Checked 2026-09-21. Not legal advice.
- 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
Washington allows limited in-person gambling, including tribal casino gaming and live poker, but does not license online casino or online poker. Sports betting is only allowed in-person at tribal casinos; statewide online/mobile sports betting is not legal. Poker is more restricted online than in-person, where it is generally available in card rooms and casinos.
| Product | Status | What that means |
|---|---|---|
| Online sports betting | Legal | — |
| Online casino | Not legal | — |
| Online poker | Prohibited | Real-money online poker is prohibited; RCW 9.46.240 makes internet gambling a Class C felony. |
| Sweepstakes and social casinos | Prohibited | Washington bans sweepstakes / social casinos offering redeemable prizes as illegal gambling under RCW 9.46 and RCW 9.46.240; enforcement grounded in Kater v. Churchill Downs (2018). |
| Prediction markets | Restricted | Washington treats real-money prediction markets as illegal gambling; status: restricted. Washington Gambling Commission notice on event contracts (Dec 9, 2025) and Kalshi injunction/cease‑operations orders (2026). |
| Mystery boxes | Unregulated | Set 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
- Sports betting only on tribal lands; no statewide mobile
- Online casino prohibited; no licensing regime
- Retail and on-premise mobile sports betting at tribal casinos
- State Gambling Commission regulates non-tribal gambling and compacts
- Online gambling broadly criminalised outside narrow exceptions
Regulator and law
Washington State Gambling Commission; tribal gaming commissions
RCW 9.46; HB 2638 (2020); compact amendments.
Advertising unlicensed gambling in Washington
Not confirmed. unconfirmed.
General criminalisation of online gambling and prohibition on unauthorised bookmaking strongly imply risk in promoting offshore sites.
National rules also apply — see online gambling regulation in United States.
Checking a licence
The regulator publishes a list of licensed or authorised operators.
Recent developments
- March 2020 law authorising tribal sports wagering
- Multiple tribal sports wagering compacts approved from 2021 onward
- No move yet to allow statewide commercial online sportsbooks
What we could not confirm
- Exact launch month for first tribal sportsbooks
- Comprehensive public list of all approved tribal sportsbook operators
- Whether Washington separately classifies paid mystery boxes/loot boxes as gambling or consumer products
- Whether any prediction market product is available/treated as a financial derivative rather than gambling in Washington
- Whether sweepstakes/social casinos are specifically banned by statute versus just lacking authorization
Sources
- allowedhere.com/legality/online-gambling/washington/
- actionnetwork.com/online-sports-betting
- unlv.edu/sites/default/files/media/document/2022-01/ICGR-TribalWhitePaper-Washington.pdf
- legalsportsreport.com/online-casinos/washington/
- app.leg.wa.gov/rcw/default.aspx?cite=9.46.0364
- wsgc.wa.gov/tribal-partnerships/sports-wagering/history-sports-wagering-washington
- fnspublic.ofm.wa.gov/FNSPublicSearch/GetPDF?packageID=59105
- lawfilesext.leg.wa.gov/biennium/2019-20/Pdf/Bill%20Reports/House/2638%20HBR%20APP%2020.pdf
- legaluspokersites.com/state-laws/washington/
- pokerindustrynews.com/usa-poker/washington-poker/
- pokernews.com/us-poker/wa/
- gamblersarea.com/news/igaming/washington-gambling
- gamblingmaps.org/map/regulations/united-states/washington
- gamblersguide.org/education/regulations/washington-gambling-laws
- casinos.org/us/washington/
- worldpokerdeals.com/blog/online-poker-in-washington
- bettorsinsider.com/sweepstakes/legal/washington/
- gammasweep.com/blog/sweepstakes-casino-compliance-in-washington-state-complete-guide
- lines.com/sweepstakes-casinos/states/wa
- ansvya.com/state-guides/washington/
- sweepstakeslegal.com/articles/washington-ban/
- mynorthwest.com/money/betting-on-the-election-is-now-available-but-dont-try-it-says-the-state/4004138
- atg.wa.gov/news/news-releases/judge-orders-kalshi-cease-numerous-washington-operations
- scribd.com/document/1020630439/Robinhood-v-WA-state
- reuters.com/legal/government/washington-judge-blocks-kalshi-contracts-cites-states-gambling-law-2026-07-21/
- spokesman.com/stories/2026/aug/31/kalshi-claims-selective-nonenforcement-in-washingt/
Researched 2026-09-21 from public sources and summarised by the Brandfense team. Not legal advice — confirm with the regulator or your counsel before acting.