NBA · Massachusetts

Boston Celtics take-home pay: what a $10,000,000 contract really pays

A Boston Celtics player on $10,000,000 takes home about $3,615,000 — that is 36.1% of the headline number, after tax, agent commission, escrow and league deductions.

Tax & league data: 2026.11 edition · reviewed October 2026

Take-home pay at three contract sizes

Boston Celtics in Massachusetts, National Basketball Association, 2026 tax rules
ContractIncome taxFICA / SEAgent + escrowNetKept
$1,000,000−$410,000−$43,500−$140,000$406,50040.6%
$10,000,000−$4,550,000−$435,000−$1,400,000$3,615,00036.1%
$25,000,000−$11,450,000−$1,087,500−$3,500,000$8,962,50035.8%

Where a $10,000,000 deal goes

Line-by-line deductions on a $10,000,000 contract
DeductionAmount
Federal income tax−$3,650,000
State income tax−$900,000
Medicare / FICA−$235,000
Agent commission (4%)−$400,000
Jock tax (duty-day estimate)−$200,000
League escrow (10%)−$1,000,000
Total deductions−$6,385,000
Take-home pay$3,615,000

Why Boston Celtics keeps 36.1%

Massachusetts applies a flat 5% rate plus a 4% surtax on income above $1M, giving a 9% top rate. For a salary under $1M the real bill is much lower than the headline rate suggests.

The NBA withholds 10% of every salary in escrow under Article IV of the CBA. Agent commission is capped at 4% by the NBPA. The 2026-27 salary cap is $164.961M.

Same money, different tax market

$10,000,000 in other NBA markets
TeamMarketTop rateNet
Boston CelticsMassachusetts9%$3,615,000
Dallas MavericksTexas0%$4,515,000
Sacramento KingsCalifornia13.3%$3,185,000
Utah JazzUtah4.5%$4,065,000

Questions

How much does a Boston Celtics player take home on a $10,000,000 contract?

About $3,615,000, or 36.1% of the headline figure. Income tax takes $4,550,000, agent commission takes $400,000, escrow takes $1,000,000 and FICA, self-employment tax and jock tax take the remaining $435,000.

Does Massachusetts tax Boston Celtics players?

Yes. Massachusetts applies a top marginal rate of 9%. This calculator applies that top rate to the whole salary, which is deliberately conservative — the real state bill is progressive, so take-home is usually slightly higher.

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