Live in Connecticut, work in Massachusetts
State income tax on wages · single filer · tax year 2026
Massachusetts takes
$2,680
on wages earned there
Connecticut takes
$0
after the credit it gives
Both together
$2,680
state tax for the year
Cost of the line
$130
a year, above working at home
What crossing the line costs
costs youMassachusetts charges more than Connecticut would, and Connecticut only credits you up to its own bill — so the difference stays with you. Solid is what you actually pay; the faded part of the Connecticut bar is the credit it hands back. State income tax only — federal and payroll tax apply on top, and a city wage tax may too.
Which state taxes you, and what it costs
- You are not taxed twice over. You are taxed at the higher of the two rates, which is its own kind of bad news. Connecticut hands back what you paid Massachusetts, but only as far as its own bill goes. Anything Massachusetts charges above that, you keep paying. On this salary the year comes to $2,680. Work at home instead and it would be $2,550.
- Connecticut is one of 7 states sending this many workers into Massachusetts, and it sits at number 3 of them, with 45,419 jobs. States used to handling out-of-state workers usually make the filing side of it straightforward.
- Massachusetts taxes wages earned inside its borders by non-residents, and Connecticut taxes its residents on the same wages wherever they are earned. The resident credit resolves the overlap but does not erase it: Connecticut credits tax paid to Massachusetts only up to what it would itself have charged on that income, so the commuter settles at the higher of the two liabilities rather than the sum. At the reference salary that is $2,680 against $2,550 for the same earner working at home — $130 attributable to the state line itself. ⚠️ The corollary is the part most readers have backwards: moving to a cheaper home state while keeping the job in Massachusetts changes the split between the two treasuries and not the total.
- Massachusetts draws commuters of this scale from 7 states, and Connecticut ranks number 3 among them with 45,419 jobs. A work state pulling from that many directions tends to have a well-established non-resident filing routine, which is a practical convenience rather than a tax saving.
Where the money goes
A $75,000 salary
- Federal income tax$7,670
- Social Security and Medicare$5,738
- State income tax$3,375
- Yours$58,218
| Federal income tax10.23% | $7,670 |
|---|---|
| Social Security and Medicare7.65% | $5,738 |
| State income tax4.5% | $3,375 |
| Yours77.62% | $58,218 |
Which rung you are on
A $75,000 salary
| This rung starts at | $66,500 |
|---|---|
| Next rung starts at | $121,800 |
| Room before it | $46,800 |
Federal only, measured on gross pay — so the first rung is what the standard deduction covers.
The arithmetic, step by step
| Massachusetts takes, on wages earned there | $2,680 |
|---|---|
| Connecticut charges its residents | $2,550 |
| Less the credit Connecticut gives | $2,550 |
| Total state tax | $2,680 |
| If you also worked in Connecticut | $2,550 |
| Difference | $130 |
On a reference salary of $60,000 a year, single filer. Both states run progressive schedules, so the figures do not simply scale — use the tool above for your own salary.
What this page does not cover
- What you see here is state tax between Connecticut and Massachusetts. Cities can charge their own tax on top, and a handful do. That layer is not modeled on this page, so treat these figures as the floor rather than the final bill.
- These numbers assume the job in Massachusetts is your only income, and that you actually go there to work. Both matter. If you earn money in more than one state, the credit Connecticut gives is worked out as a share rather than the simple cap used here. And if you work from home some days, some states have rules that treat those days as worked at the office anyway.
- The dollars rest on one assumed salary of sixty thousand. Double your pay and they do not simply double, because both states charge more on higher slices of income. What tends to stay put is which side of the Connecticut and Massachusetts comparison you are on.
- These figures cover the STATE layer only. City and municipal wage taxes sit on top of them and are not included: a commuter into Philadelphia pays its wage tax on top of anything here, and Ohio's municipalities run their own credit system, which this site models in its own families. New York City, by contrast, taxes only its residents, so a commuter into it adds nothing at the city level. Whether Massachusetts or Connecticut carries a local layer is a separate question from the state arithmetic above.
- The arithmetic assumes all wages are earned in Massachusetts and that there is no other income. That matters for the credit: where income comes from several states, Connecticut limits the credit to the share of its own tax attributable to the Massachusetts portion, computed as a ratio rather than the straightforward cap used above. It also assumes days are worked in Massachusetts rather than remotely — several states tax a non-resident's remote days as though they were worked at the employer's location, which reverses the usual expectation and is handled on this site's reciprocity pages.
- Dollar amounts are computed at a stated reference salary of sixty thousand rather than a corridor wage average, which no published source provides per state pair. Because both states' liabilities and the credit between them are functions of the same income, the direction of the Connecticut to Massachusetts comparison holds at other salaries even though the amounts do not — with one qualification worth stating, that a progressive schedule can change the SIZE of the gap at higher incomes, and in Massachusetts's case a bracket crossed on one side and not the other is exactly where that happens.
Questions people ask
Do I pay state tax twice, to Connecticut and Massachusetts?
You file in both states, but you do not pay the full amount to both. Connecticut credits the tax Massachusetts collected, capped at its own charge on that income. The practical result is one bill at the higher of the two levels: $2,680 for the year.
Would moving out of Connecticut lower my state tax if I keep working in Massachusetts?
Moving rarely helps while the job stays in Massachusetts. The work state takes its share first and does not care where you live. A cheaper home state simply means it has less of its own tax to credit, and you still pay Massachusetts the same. The saving people imagine here mostly is not there.
Do I have to file tax returns in both Connecticut and Massachusetts?
Expect two. Living in Connecticut means filing there on everything you earn. Working in Massachusetts usually means filing there as well, on the part you earned inside it. The second one is often how the credit gets claimed, so skipping it can cost you money you are owed.
What if I work from home in Connecticut some days instead of going to Massachusetts?
Normally, days worked at home in Connecticut belong to Connecticut, and only the days you spend in Massachusetts are taxed there. That is the ordinary rule. The exception is real though: some states count your remote days as worked at the employer's location anyway. That flips the answer completely, so check Massachusetts's rule rather than assuming.
How is liability allocated between residence and work state on the same wages?
Both jurisdictions assert a claim on the same wages — Massachusetts on a source basis, Connecticut on residence. The residence state grants a credit for tax paid to the source state, limited to the residence state's own liability on that income. Net combined liability therefore equals the greater of the two liabilities rather than their sum, $2,680 at the reference salary, and the split between the two treasuries is the only thing the credit changes.
Does changing residence reduce combined liability while the work state is unchanged?
No, while the source state is unchanged. Massachusetts's claim arises from where the services are performed and is unaffected by residence. Because the residence credit is capped at the residence state's own liability, combined liability equals the greater of the two — so substituting a lower-tax residence reduces the residence-state component toward zero while leaving the total at Massachusetts's level. The binding variable is the work location, not the home one.
What filing obligations arise in each state on this corridor?
Generally two. Connecticut requires a resident return reporting all income; Massachusetts requires a non-resident return reporting the income sourced to it, which is also the mechanism by which the resident credit is substantiated. ⚠️ A filing obligation is distinct from a liability: a reciprocity exemption or a zero net position removes tax without necessarily removing the return, and the non-resident return is frequently what establishes the credit claimed on the resident one.
How do remote working days affect sourcing between these two states?
Ordinarily wages are sourced to where the services are performed, so days worked remotely from Connecticut fall outside Massachusetts's jurisdiction and the source-state apportionment shrinks accordingly. ⛔ The exception is the "convenience of the employer" rule, which several states apply: a non-resident's remote days are sourced to the employer's location unless the remote work is required by the employer rather than chosen by the employee. The figures on this page model in-person attendance in Massachusetts throughout.