{
  "url": "https://classa.info/compare/boston-vs-philadelphia",
  "title": "Boston vs Philadelphia: Class A office comparison",
  "description": "Side-by-side Class A office comparison for Boston and Philadelphia — rent, vacancy, talent, tax, lease norms, transit, and top submarkets.",
  "oneSentenceAnswer": "Boston ($78/sqft, 19.5% vacancy) and Philadelphia ($38/sqft, 21.6% vacancy) compete on different axes: Boston on talent depth and Philadelphia on rent and tax.",
  "tldr": [
    "Class A rent: Boston $78/sqft vs Philadelphia $38/sqft.",
    "Vacancy: Boston 19.5% vs Philadelphia 21.6%.",
    "Talent index: Boston 95 vs Philadelphia 85.",
    "Corporate tax: Boston 28% vs Philadelphia 26%.",
    "Premium flex/seat/month: Boston $1,140 vs Philadelphia $700."
  ],
  "keyFacts": {
    "cityA": "Boston",
    "cityB": "Philadelphia",
    "rentUsdA": "$78",
    "rentUsdB": "$38",
    "vacancyA": "19.5%",
    "vacancyB": "21.6%",
    "talentA": 95,
    "talentB": 85,
    "taxA": "28%",
    "taxB": "26%"
  },
  "faqs": [
    {
      "question": "Is Class A office cheaper in Boston or Philadelphia?",
      "answer": "Philadelphia is cheaper on a USD basis: $38/sqft vs $78/sqft."
    },
    {
      "question": "Which has better talent depth, Boston or Philadelphia?",
      "answer": "Boston indexes higher on talent depth (95 vs 85)."
    },
    {
      "question": "Which has more sublease availability, Boston or Philadelphia?",
      "answer": "Philadelphia carries higher vacancy (21.6% vs 19.5%) and therefore typically more sublease overhang."
    },
    {
      "question": "What lease term should I expect in Boston vs Philadelphia?",
      "answer": "Boston typical term is 10 years with 18 months rent-free; Philadelphia typical term is 10 years with 14 months rent-free."
    },
    {
      "question": "How does transit and commuter access compare?",
      "answer": "Boston: MBTA subway, commuter rail, and Logan Airport access. Silver Line connects the Seaport to South Station. Philadelphia: SEPTA regional rail (13 lines), broad-street and Market-Frankford subway, multiple bus and trolley routes. PATCO connects Camden and South Jersey. Center City is highly walkable."
    }
  ],
  "pageType": "comparison",
  "lastUpdated": "2026-04-15T00:00:00.000Z",
  "license": "CC BY 4.0 with attribution to Class A Atlas (https://classa.info).",
  "citation": "Source: Class A Atlas (https://classa.info/compare/boston-vs-philadelphia), updated 2026-04-15T00:00:00.000Z."
}