The Massachusetts tax comparison
Massachusetts’s 5% flat rate is similar to Illinois. A mid-range state tax that does not create the obvious Beckham savings that California or New York produce. The comparison depends heavily on income level and, for high earners, the 4% Millionaires' Tax that applies to income above $1 million.
Example: Massachusetts remote worker, $130,000 gross income
Staying in Massachusetts
Federal income tax (~22% effective): ~$22,000
Massachusetts state income tax (5%): ~$6,500
Social Security + Medicare: ~$7,200
Total: ~$35,700 (27.5% effective)
Moving to Spain (Beckham Law)
Spanish IRPF (Beckham 24% flat): ~€28,680
Employee SS contribution (6.35%): ~€7,590
U.S. federal (FEIE/FTC may reduce): ~€0–2,000
Total: ~€36,270+ (~29% effective)
Numbers are rough estimates for planning. FEIE eligibility and U.S. foreign tax credit interactions require a CPA familiar with U.S. expat taxation. Spanish Social Security is capped at a maximum contribution base, so at higher salaries the SS figure is lower than a flat 6.35% implies. Assumes $1 = €0.92 and standard deductions. Consult a tax advisor for your specific situation.
Estimate your tax
Beckham Law Tax Calculator
Compare what you’d keep under Spain’s 24% flat expat rate vs. the standard progressive rates.
At $130k, Massachusetts residents in Spain pay roughly the same in total taxes as staying home. The state tax savings are partially offset by Spanish SS contributions. The picture changes at higher income levels and becomes compelling above $200k, where Beckham’s flat 24% clearly beats the combined federal + 5% + potential Millionaires' Tax rate.
For Boston and Cambridge remote workers paying $3,000–$5,000/month for a 1BR, the cost-of-living comparison is often decisive: equivalent space in Madrid, Barcelona, or Valencia runs €950–€1,600. A substantial monthly difference that compounds over a multi-year stay.
The Millionaires' Tax — a specific case for high earners
Massachusetts enacted a 4% surtax on income above $1 million effective 2023. For Massachusetts residents earning above that threshold (senior engineers at major tech firms, biotech executives, late-stage startup employees with significant equity) Spain’s flat 24% Beckham rate becomes clearly favorable on pure tax grounds. A Massachusetts resident earning $1.5M pays 5% MA + 4% surtax on the $500k above $1M: $20k extra in state tax alone. The Beckham comparison at that income level is unambiguous.
Why Massachusetts remote workers apply
Boston and Cambridge are among the densest concentrations of tech, biotech, finance, and consulting professionals in the country, precisely the industries most represented in Spain DNV applications. The reasons Massachusetts residents apply:
- Biotech and pharma (fully remote is harder here): MA biotech workers with genuinely remote roles (regulatory, data science, medical writing, business development) are eligible. The DNV requires the work to be performable remotely, not that the industry is inherently remote
- Boston housing costs: Back Bay, South End, Cambridge, and Brookline rents are among the highest in the U.S. Spain’s major cities offer equivalent or better quality at roughly half the cost
- Direct flights — BOS is closer to Madrid than most U.S. cities: The Boston–Madrid route (Iberia direct; ~7.5h) is one of the shortest transatlantic crossings from the continental U.S. Visiting family in New England is genuinely manageable on an annual or biannual basis
- High-income finance and consulting: Partners and senior executives at Fidelity, State Street, Bain, and similar firms who have remote-capable roles find the tax math compelling above $200k
- Millionaires' Tax: Massachusetts’s 9% effective rate (5% + 4% surtax) on income above $1M makes Beckham’s 24% look favorable compared to the combined MA + federal rate on that tranche
Massachusetts-specific application notes
Your consulate: Boston
Massachusetts residents apply through the Spanish Consulate General in Boston, which also covers Maine, New Hampshire, Vermont and Rhode Island. Connecticut belongs to New York. The Boston office handles lower volume than New York and is known for organized, clear documentation requirements. Appointment windows typically run 3–6 weeks, faster than New York and San Francisco.
Connecticut residents should confirm their county assignment: most of Connecticut falls under Boston, but some counties near New York may be assigned to the New York consulate. Verify on the official MAEC website before booking.
Massachusetts state residency termination
Massachusetts taxes residents on worldwide income. Properly terminating MA residency requires establishing a new domicile in Spain: a signed lease, empadronamiento registration, and NIE are the standard documentation. Change your Massachusetts driver’s license and vehicle registration. Ensure you do not maintain a Massachusetts permanent home (even a parent’s house where you have a room) while spending more than 183 days in-state.
Massachusetts is not as aggressive as California in asserting continued residency, but it does audit high-income departures. File a final Massachusetts return for your departure year, document the move date clearly, and keep records of your Spanish residency establishment. A tax advisor familiar with Massachusetts non-residency filings is useful if your income is above $200k.
Biotech and pharma remote documentation
Massachusetts’s dominant biotech and pharma sector creates specific documentation questions. The DNV requires that your work is performed primarily outside Spain, for a non-Spanish client or employer. For biotech roles, the key questions are: (1) is your company’s Spanish entity, if any, an entity you are assigned to, and (2) is your work genuinely performable remotely without access to Spanish-based lab or clinical infrastructure? Regulatory affairs, medical writing, data science, and business development roles are strong candidates. Lab-based research roles are not.
If your employer has a Spanish entity (many major pharma companies do), the employer letter must clearly state that you are not assigned to or working for the Spanish operations.
Apostilles from Massachusetts: what goes to the state office
Three documents in a Digital Nomad Visa file can send you to the Massachusetts apostille office: a notarised true copy of your university degree (apostilled where the notary is commissioned), birth and marriage certificates issued in Massachusetts for a family file, and a certificate of incorporation or good standing if your own company is registered here. The FBI check and the SSA Certificate of Coverage are federal and go to the U.S. Department of State instead; a state apostille on either is wasted.
State apostille · Massachusetts
Secretary of the Commonwealth, Commissions Section
- Fee
- $6 per document
- In person
- Same day for up to 3 documents; 4 or more ready the next business day
- By mail
- 2 to 3 weeks, plus mailing
- Where
- One Ashburton Place, Room 1719, Boston, MA 02108
Official page: www.sec.state.ma.us. Fee and turnaround as published on 3 October 2026; if the office’s own page says otherwise, the office wins.
Getting started from Massachusetts
Time the FBI background check to your filing date, with a channeler and an apostille expeditor it takes about three weeks, and it is valid for six months from issue, so ordering it too early only makes it expire. Full guide to the FBI background check and apostille →
Boston’s direct flight to Madrid (7.5h) makes the in-Spain application route one of the most practical from any U.S. city: fly to Madrid, enter on a tourist visa-waiver, and file directly with the UGE for the 3-year TIE residence permit. This bypasses the Boston consulate appointment and issues a 3-year permit from day one. For applicants who can spend two to four weeks in Spain during the filing period, this is typically the most efficient route.