Massachusetts Sports Betting Tax Calculator
Massachusetts taxes gambling winnings as ordinary income at 5.00% flat rate. Sports betting is legal (online and retail) in Massachusetts with operators including FanDuel, DraftKings, BetMGM. Massachusetts does NOT allow gambling loss deductions. 4% surtax on income over $1M. Sports betting launched in 2023.
Calculate Your Massachusetts Sports Betting Tax
2026 rules: 90% loss deduction cap applies (OBBBA)
Your salary, wages, and other non-gambling income
Losses can only be deducted if you itemize deductions
You cannot deduct gambling losses with the standard deduction. Switch to itemized to deduct losses.
Tax Breakdown
W-2G Form: Likely Required
Your total winnings of $10,000 exceed the $2,000 W-2G threshold for 2026. Individual wins that also meet the 300:1 odds requirement may trigger a W-2G form. Use our W-2G Checker for precise results.
Federal Withholding
$2,400 (24%) would be withheld at the time of payout. You may be due a refund of $1,200.
Massachusetts Gambling Tax Key Facts
- ✓State income tax: 5.00% flat rate
- ✓Sports betting: legal (online and retail)
- ✓Available sportsbooks: FanDuel, DraftKings, BetMGM, Caesars, Fanatics
- ✓Does NOT allow gambling loss deductions at the state level
- ✓5% flat tax rate
- ✓9% surtax on income over $1M (Millionaires Tax)
- ✓Does NOT allow gambling loss deductions at state level
How Sports Betting Taxes Work in Massachusetts
Massachusetts taxes gambling winnings as ordinary income at a flat 5.00% rate. Your gambling winnings are added to all other income and taxed accordingly.
Important: Massachusetts does NOT allow gambling loss deductions at the state level. Even if you itemize on your federal return and deduct losses there, Massachusetts will tax your full gambling winnings without offset. This makes Massachusetts less favorable for bettors who have significant losses.
Massachusetts Does NOT Allow Gambling Loss Deductions
Massachusetts does NOT allow gambling loss deductions at the state level. You pay state tax on full winnings regardless of losses.
Massachusetts Tax Example
A single filer in Massachusetts earning $60,000 with $10,000 in sports betting winnings and no losses
Licensed Sportsbooks in Massachusetts
You must be physically located within Massachusetts to place bets on these platforms.
Recent Massachusetts Gambling Tax Changes
Massachusetts does NOT allow gambling loss deductions. 4% surtax on income over $1M. Sports betting launched in 2023.
Massachusetts Sports Betting Tax FAQ
How much tax do I pay on sports betting winnings in Massachusetts?
Massachusetts taxes gambling winnings at 5.00% flat rate on top of federal tax (10-37%). Your total combined tax rate depends on your income level and filing status.
Is sports betting legal in Massachusetts?
Yes, sports betting is legal (online and retail) in Massachusetts. Licensed operators include FanDuel, DraftKings, BetMGM, Caesars, Fanatics. You must be physically located within Massachusetts borders to place bets.
Can I deduct gambling losses in Massachusetts?
No, Massachusetts does NOT allow gambling loss deductions at the state level. Even if you deduct losses on your federal return, you will pay Massachusetts state tax on your full gambling winnings.
Massachusetts Tax Authority
For official tax guidance specific to Massachusetts, contact the state tax authority:
https://www.mass.gov/orgs/massachusetts-department-of-revenue↗Calculate Your Massachusetts Sports Betting Taxes
Use our free calculator above to see exactly what you owe in Massachusetts.
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