Boston vs Philadelphia: Real Estate Cost Compared

The Boston-Cambridge-Newton metro carries a median listing price of $832,500 — 2.3 times higher than the Philadelphia-Camden-Wilmington MSA’s $359,900 as of early 2026. That gap alone tells you most of what you need to know about the affordability equation. But the full picture requires digging into property tax structures that diverge sharply between Massachusetts and Pennsylvania, insurance cost differences, and what each market actually demands from a household earning $150,000 a year.

The comparison matters precisely because both cities market themselves to the same professional class. Boston draws finance, biotech, and academic talent; Philadelphia attracts healthcare workers, lawyers, and increasingly, remote workers priced out of New York City. The cost structures they encounter couldn’t be more different.

Sources: Realtor.com via FRED (April 2026, March 2026); Census Bureau ACS 2024 1-year estimates via Census Reporter; NAR Q1 2026 metropolitan median report; Lincoln Institute of Land Policy 50-State Property Tax Comparison Study 2024; Boston FY2024 residential mill rate; Philadelphia Office of Property Assessment 2024 nominal rate. National median income: ACS 2024.

The Price Gap Runs Deeper Than the Headline Number

At the metro level, Boston lists at $832,500 and Philadelphia at $359,900. But once you strip it down to the city proper, the gap narrows — and then the story changes depending on what you’re actually buying. Redfin data for the three months ending April 2026 places Boston’s city-level median sold price at $849,000, up 1.1% year-over-year. Philadelphia County’s median sold price was $275,000 in March 2026, essentially flat on the prior year — no growth, no collapse.

Those city figures mask significant internal variation. In the Boston core and inner suburbs like Cambridge, Somerville, and Brookline, median prices climb well above the metro figure. The Realtor.com metro listing price of $832,500 already incorporates those suburbs — the city itself skews slightly higher for move-in-ready properties. Philadelphia’s metro number of $359,900 reflects the broader region including higher-priced New Jersey and Delaware suburbs; the city itself runs considerably lower. Homes.com reports that detached single-family homes in the Philadelphia metro hit $465,900 in March 2026, a 7.4% year-over-year gain — suggesting the rowhouse-heavy city core pulls the overall median down significantly.

For the price-to-income ratio (PIR), the math is straightforward. Boston metro: $832,500 divided by the metro median household income of $117,825 equals a PIR of 7.1. Philadelphia metro: $359,900 divided by $90,850 equals a PIR of 4.0. The national baseline from the NAR Q1 2026 release sits at $404,300 against the ACS 2024 national median of $81,604 — a PIR of roughly 5.0. Philadelphia undercuts the national benchmark. Boston buries it.

That income differential deserves attention. The Boston-Cambridge-Newton MSA recorded a metro median household income of $117,825 in the Census Bureau’s 2024 American Community Survey 1-year estimates — 40% above Philadelphia’s $90,850 and 44% above the national figure of $81,604. Higher incomes help, but they don’t close a 2.3x price gap.

Deconstructing PITI: Where the Monthly Cost Actually Goes

Principal, interest, taxes, and insurance (PITI) — plus maintenance — is the correct unit of measurement for real homeownership cost. Monthly listing prices tell buyers what they’re financing; PITI tells them what they’re paying. The two numbers can diverge dramatically based on tax structures, insurance markets, and interest rate exposure.

This analysis models a 20% down payment on the metro median listing price, financed at 6.53% — the Freddie Mac Primary Mortgage Market Survey rate as of May 28, 2026. Maintenance is set at 1% of home value annually, per the cluster methodology. No HOA is assumed; single-family detached homes dominate both markets at the price points modeled. Buyers purchasing condominiums in either city would add HOA costs ranging from $400 to $800 per month in Boston and $200 to $500 in Philadelphia, which would push affordability ratios meaningfully higher in the Boston scenario.

Mortgage rate: Freddie Mac PMMS, May 28, 2026 (6.53%, 30-year fixed). Property tax: Boston based on FY2024 residential mill rate of $10.74 per $1,000 assessed value (assessed at near 100% market value in Massachusetts); Philadelphia based on 1.3998% nominal rate applied at approximately 55% assessment ratio → effective ~0.77% of market value, with $100,000 homestead exemption reducing the annual tax bill. Insurance: Massachusetts average ~$1,932/yr (MoneyGeek/Quadrant data, 2025), scaled to higher home value; Philadelphia average $2,150/yr for standard coverage (Insure.com, 2025). Maintenance: 1% of purchase price annually per cluster methodology.

Property Tax: Boston’s Hidden Advantage

The numbers run counter to what most buyers expect. Pennsylvania’s nominal property tax rate in Philadelphia is 1.3998% — but that’s applied to assessed value, and the city’s Office of Property Assessment uses approximately 55% of market value as the assessment ratio. The effective rate on market value works out to roughly 0.77%. On a $359,900 metro median home, gross annual taxes come to about $2,771. The Philadelphia homestead exemption — set at $100,000 off assessed value as of 2024, after Mayor Parker’s administration increased it — reduces that bill meaningfully for owner-occupants, bringing the net annual figure to approximately $2,771 for a property at median price without the exemption, and lower with it.

Massachusetts properties are assessed at near 100% of market value under state law, making the nominal mill rate directly comparable to an effective rate. Boston’s FY2024 residential mill rate is $10.74 per $1,000, or 1.074%. On an $832,500 home, gross annual taxes equal roughly $8,942 — more than three times Philadelphia’s absolute bill. Boston does offer a residential exemption that reduces the assessed value of owner-occupied primary residences; in FY2024, that exemption saved qualifying homeowners approximately $3,500 off their annual bill, bringing net taxes to roughly $5,400–$5,500. The $745 monthly figure in the model above uses the gross pre-exemption rate; qualified owner-occupants would see approximately $290/month less after applying for the exemption.

The Lincoln Institute of Land Policy’s 50-State Property Tax Comparison Study for 2024 — released July 2025 — specifically lists Boston among the eight cities with effective tax rates at least half the national study average of 1.22%. That’s consistent with the residential exemption math. Philadelphia is not listed among the lowest-rate cities in the same report. For a comprehensive look at how property tax varies across US metro areas, the Lincoln Institute data remains the most rigorous available source.

The Finluxy Housing Affordability Index

The Finluxy Housing Affordability Index measures total monthly housing cost (PITI plus maintenance) as a percentage of gross monthly income for the target household. A result at or below 28% sits within the mortgage industry’s front-end debt-to-income ratio (DTI) guideline. Markets above 40% are effectively unaffordable at the income level modeled — meaning the buyer must either earn significantly more than $150,000, put substantially more than 20% down, or target a property well below the metro median.

Finluxy Housing Affordability Index calculated using total monthly PITI + maintenance divided by gross monthly income ($12,500/mo for $150,000/yr). Inputs detailed in cost breakdown table above. Front-end DTI guideline of 28% reflects standard mortgage underwriting threshold. Threshold of 40% reflects Finluxy cluster methodology for effective unaffordability at the modeled income level.

A $150,000 household buying at the Boston metro median would allocate 47.7% of gross income to housing — nearly 20 percentage points beyond the front-end DTI guideline and well into the unaffordable range. The same household in Philadelphia commits just 20.3% of gross income, leaving enormous room for other expenses, savings, and investments. To bring Boston’s Finluxy Housing Affordability Index below 28%, a $150k household would need to target homes at or below approximately $490,000 — a price point that, in the Boston metro, buys a condo in an outer suburb or a small unit with significant compromise on size and location. Income would need to reach roughly $250,000 annually to buy at the Boston median with the index under 28%.

The Philadelphia figure deserves context, too. At 20.3%, a $150k household buying at the metro median has an unusually comfortable position — but that Philadelphia metro median of $359,900 includes affluent suburban communities in New Jersey and Delaware. The city proper at $275,000 (Redfin, March 2026) would bring the index even lower, while neighborhoods adjacent to Center City or in Fishtown and South Philadelphia commonly list considerably higher.

What the Data Overlooks — and Shouldn’t

Standard city comparisons treat both metros as monolithic. They aren’t. The Boston metro’s median listing price of $832,500 encompasses a range that runs from condominiums in Dorchester closer to $500,000 to single-family homes in Newton and Brookline above $1.5 million. Philadelphia’s $359,900 metro figure absorbs wealthy Main Line suburbs like Wayne and Villanova where detached single-family homes regularly trade above $700,000. A buyer comparing these cities at the median is really comparing two different housing market segments.

The metric most coverage skips entirely: the compounding cost of down payment capital. In Boston, a 20% down payment on the metro median requires $166,500 in liquid capital — excluding closing costs, which typically run 2%–4% of purchase price. In Philadelphia, that down payment is $71,980. The difference of $94,520 invested elsewhere at a 7% average annual return would generate roughly $6,616 in the first year. Over a decade, the opportunity cost of the larger Boston down payment compounds into a meaningful wealth differential that traditional PITI comparisons don’t capture. For a household evaluating these two cities as an affordable luxury real estate market, that capital deployment question matters as much as the monthly payment.

Boston also carries a structural risk that Philadelphia doesn’t: sensitivity to mortgage rate moves. A one percentage point increase in the 30-year rate — from 6.53% to 7.53% — adds approximately $440 per month to the Boston scenario, pushing the Finluxy Housing Affordability Index to 51.2%. The same rate move adds just $190/month to Philadelphia, taking the index to 21.8%. Higher absolute loan balances amplify rate sensitivity nonlinearly. Boston buyers are structurally more exposed to refinancing necessity and rate-lock risk than Philadelphia buyers at comparable income levels.

Boston vs Philadelphia: Market Dynamics Beyond Price

Boston’s Q1 2026 housing market continues to operate under structural supply constraint. The NAR’s Q1 2026 metropolitan report noted that Northeast metro areas posted particularly strong price appreciation — 4.9% year-over-year regionally — driven by persistent inventory shortages. Homes.com data for March 2026 shows Boston ranked 24th nationally for active listings among the top 40 metros. Single-family home prices rose 3.7% year-over-year in the city. Condos fell 2.5%, reflecting oversupply in that specific segment — a notable divergence from the single-family trend. For buyers considering the monthly cost of owning in major US cities, Boston’s supply constraint means price pressure is unlikely to ease significantly in the near term.

Philadelphia’s single-family market showed significantly stronger momentum at the metro level. The Homes.com March 2026 report placed the metro median single-family sold price at $465,900, up 7.4% year-over-year — one of the stronger performances among major Northeast cities. The city proper remained muted at $275,000 for all property types combined, reflecting the weight of lower-priced rowhouse inventory. Redfin’s data shows Philadelphia homes spending a median 61 days on market in March 2026 — considerably slower than Boston’s 33 days. Longer days on market provides buyers more negotiating room, a factor Boston buyers haven’t enjoyed in years.

For context against comparable markets, the New York City vs Miami real estate cost analysis and the Chicago vs Washington D.C. homeownership cost gap show similar Northeast-to-Sunbelt or Northeast-to-Midwest divergences. Boston sits closer to New York City’s price structure than to any Midwestern or Southern market. Philadelphia sits below the national median on price-to-income, making it one of the more anomalous major cities in the US real estate cost comparison.

What a $150k+ Household Should Actually Take From This

A household earning $150,000 can buy comfortably in the Philadelphia metro at the median price. The Finluxy Housing Affordability Index of 20.3% leaves significant capacity for retirement contributions, college savings, and discretionary spending. At $200,000 household income, the index drops to 15.2% — Philadelphia becomes one of the most financially rational major metros in the Northeast for building net worth through homeownership, not merely occupancy. Buyers targeting the most affordable cities for entry-level homebuying at slightly lower income levels would find even stronger relative value in the Philadelphia region.

In Boston, $150,000 income puts a household 19 percentage points beyond the front-end DTI threshold when buying at the metro median. The realistic purchase ceiling for a financially disciplined $150k household — keeping the index below 28% — sits around $490,000. That price point exists in Boston, but it typically means a one-bedroom condo or a property requiring significant renovation in a less central location. Buyers with $200,000 income can reach approximately $650,000 while staying within the 28% guideline, which opens more of the market but still excludes most single-family options in the inner metro. The San Francisco vs Austin homeownership analysis shows a similar income-threshold dynamic in an even more extreme form — Boston is expensive, but not West Coast expensive.

The comparison also surfaces a genuine trade-off that the raw numbers don’t resolve: Boston’s metro median household income of $117,825 is 30% above Philadelphia’s $90,850. If a higher-income job brings a household to Boston, the affordability math changes. A dual-income professional household earning $220,000–$240,000 annually can purchase at the Boston median with a Finluxy Housing Affordability Index of approximately 30%–32% — just above the mortgage guideline threshold but within practical range. That’s the actual target buyer for median-priced Boston real estate. At $150,000, the arithmetic doesn’t work without either a very large down payment or a willingness to accept a property meaningfully below the median. Philadelphia, by contrast, welcomes the $150k household at the median with room to spare — a dynamic that explains why the city has attracted consistent attention from remote workers and transplants from higher-cost Northeast metros. For those tracking where the price-to-income ratio still favors buyers at lower income levels, Philadelphia and its suburbs remain among the more compelling arguments.