Online sports betting in Massachusetts

7 licensed online sportsbooks took bets in Massachusetts as of 2026-08-17. 7 of the 8 venues covering the state limit accounts that win; Kalshi does not.

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The law in Massachusetts

 As published Source
RegulatorMassachusetts Gaming Commissionsource, read 2026-08-18
Minimum age21+source, read 2026-08-18
State tax on sportsbook revenue20%source, read 2026-08-18
College player propsRestrictedsource, read 2026-08-18
Licensed retail sportsbooks3source, read 2026-08-18

Gambling law changes, and these were read once. Check the regulator before relying on any of it.

Where Massachusetts stands

Tax on operator revenue

20%4th of 23

Never limit winners

1 of 8Kalshi

Retail venues

3licensed alongside

Books here

8 of 2718th of 50 states

20% of gross revenue online against 15% retail under MGL c.23N s.14. 205 CMR 247.01 bars all college player props and any Massachusetts college team outside a tournament. Source, read 2026-08-18.

Every sportsbook covering Massachusetts

SportsbookType Winning accounts
KalshiExchangeNever limits winners
Bally BetRetailLimits winning accounts
BetMGMRetailLimits winning accounts
CaesarsRetailLimits winning accounts
DraftKingsRetailLimits winning accounts
FanDuelRetailLimits winning accounts
FanaticsRetailLimits winning accounts
theScore BetRetailLimits winning accounts

What you cannot get in Massachusetts

BetFred, BetRivers, Betly, Betr, Circa Sports, Hard Rock Bet, Prime Sportsbook, Sports Bet Montana, Sportsbook Rhode Island, Sporttrade, SuperBook, Underdog Sports, WynnBET, bet365, betPARX — 15 books that operate elsewhere in the United States take no bets here.

Massachusetts sports betting FAQ

Which sportsbooks operate in Massachusetts?

Bally Bet, BetMGM, Caesars, DraftKings, FanDuel, Fanatics, Kalshi, theScore Bet — 8 in total, of which 7 are sportsbooks and 1 is a prediction market.

Which Massachusetts sportsbooks limit winning accounts?

7 of 8. Kalshi does not.

What is not available in Massachusetts?

BetFred, BetRivers, Betly, Betr, Circa Sports, Hard Rock Bet, Prime Sportsbook, Sports Bet Montana, Sportsbook Rhode Island, Sporttrade, SuperBook, Underdog Sports, WynnBET, bet365, betPARX — 15 books that operate elsewhere in the US take no bets here.

Why the state you are in decides your edge →

Read 2026-08-17. Not legal advice.