FIRE Number for Boston, United States
United States
World-Class Healthcare, History, and New England Charm
Boston is one of America's most expensive cities but rewards residents with exceptional healthcare access, walkable neighborhoods, rich history, and a vibrant intellectual culture anchored by Harvard and MIT. The city's compact size, excellent public transit, and four distinct seasons create a European feel rare in the US. FIRE retirees face high housing and healthcare costs, but those who value culture, education, and medical access will find Boston hard to beat.
Lean FIRE, FIRE, and Fat FIRE for Boston
Needed to retire here is the portfolio that, in a historical backtest, would have lasted your retirement at your chosen confidence and length. Status is the verdict for your portfolio. The 4% rule benchmark is shown underneath each figure for reference only. Cost estimates are for a one-person household โ adjust household size below.
Costs scale by category, not a flat multiple โ housing is largely shared; food and healthcare scale per person.
Enter your real monthly healthcare cost and we'll use it across all lifestyle tiers โ handy for VA/TriCare (enter 0) or when your ACA cost differs from our estimate.
| Lifestyle | Needed to retire here | Monthly Cost |
|---|---|---|
| Lean FIRE | $944K | $3,145/mo |
| FIRE | $1.82M | $6,060/mo |
| Fat FIRE | $6.6M | $22,000/mo |
Cost of Living Breakdown for Boston
Cost and FIRE figures are for a one-person household โ adjust household size in the controls above.
Lean FIRE Lifestyle
$944KA studio in Dorchester, Revere, or Quincy, outside the core but on the Red or Orange Line, anchors a frugal but genuinely livable stretch of retirement. The MBTA LinkPass at $90 removes any need for a car, and the ConnectorCare-subsidized health plan keeps the stubborn US insurance line manageable as long as taxable income stays under the returned ACA subsidy cutoff. Meals are mostly cooked at home, with the odd cheap plate in Chinatown or a neighborhood spot. Winter heating is a real line in the utilities, but the Freedom Trail, the Charles River Esplanade, and free museum hours make the entertainment budget stretch. Housing takes the majority of the budget โ Boston's floor simply does not fall further.
FIRE Lifestyle
$1.82MA one-bedroom or small two-bedroom in Back Bay, Beacon Hill, or Cambridge puts daily life in the heart of one of America's most walkable cities. Dining out is a regular habit across the North End and South End, healthcare is a proper unsubsidized plan with access to Mass General and Brigham networks, and the T plus the occasional Zipcar or rideshare covers getting around without owning a car. Theater, a museum membership, and Red Sox games fit comfortably, as do weekend drives to Cape Cod or the Berkshires. At $6,000 a month, Boston feels genuinely comfortable, with the country's best concentration of hospitals a short ride away.
Fat FIRE Lifestyle
$6.6MA historic Beacon Hill townhouse floor or a waterfront Seaport residence, with housekeeping a couple of days a week and part-time assistant support, defines life at the top of Boston. Dining is daily at the city's best tables, healthcare pairs a top-tier plan with concierge access at Mass General or Dana-Farber, and a private car service handles the New England seasons. Box seats at Fenway, patron-level support of the MFA and the BSO, and summers on Cape Cod or Nantucket are all within reach. First-class travel and an art or philanthropy budget round out a life where the bill is never the question. Boston's medical depth makes this arguably the best place in the country to age with means.
Retirement Confidence
The 4% rule is a great starting point. Here we go a step further and test your plan against real market history.
Enter your portfolio on the homepage to backtest a retirement in Boston against market history.
Backtest detail
How this is calculated
This is a real historical backtest. We run your plan through every retirement-length window in US market history (1871โ2022): a 75% stock / 25% bond portfolio, rebalanced annually, with withdrawals raised each year for that period's actual inflation. The success rate is the share of those historical start years in which the money lasted the full length without running out.
Your confidence level sets the bar: at Balanced (90%), a survival rate of 90% or more reads "You can retire here", within 10 points below is "Close - worth a closer look", and lower is "Not quite yet". The same level sizes the "Needed to retire here" target. Retirement length also drives it - early retirees planning 40โ50+ years see lower survival than the 30-year baseline.
Healthcare, Visa & City Overview
EST (UTC-5)
USD
English
51ยฐF / 11ยฐC
200+ Mbps average
Boston Logan International (BOS)
Frequently Asked Questions About Retiring in Boston
What is the FIRE Number for Boston, United States?
The FIRE Number for Boston ranges from $944K (Lean FIRE lifestyle) to $6.6M (Fat FIRE lifestyle). A FIRE retirement requires a portfolio of approximately $1.82M, based on estimated monthly costs of $6,060 and a 4% safe withdrawal rate.
How much does it cost to retire in Boston?
Monthly living costs in Boston range from $3,145 (Lean FIRE) to $6,060 (FIRE), covering housing (market rent), dining, groceries, healthcare, transportation, entertainment, and utilities.
What is healthcare like in Boston for retirees?
Healthcare in Boston costs approximately $235 to $700/month depending on coverage level. Typical coverage at the Lean FIRE budget: Massachusetts' ConnectorCare program caps the premium near $235 a month at this income level (less at lower incomes), well below the $425-470 typical of comparable states, as long as annual income stays under the 2026 subsidy cutoff of about $62,600; above that, the plan goes to full price. Priced for an early retiree aged 45-55; older retirees should budget more.
What is the weather like in Boston?
Continental with cold, snowy winters and warm, humid summers. The average temperature is 51ยฐF / 11ยฐC.
How safe is Boston for retirees?
Boston is generally safe for retirees, scoring 6 out of 10 in our safety ratings.
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