{
  "url": "https://classa.info/cities/boston",
  "title": "Boston Class A Office Market",
  "description": "Life sciences capital — and a deep traditional CBD.",
  "oneSentenceAnswer": "Boston Class A office rents around $78/sqft/yr, with 19.5% vacancy and 18 months of typical rent-free on a 10-year term.",
  "tldr": [
    "Cambridge / Kendall Square hold the world's deepest life-sciences cluster.",
    "Seaport delivered a wave of new Class A — now in lease-up.",
    "Office vacancy 18-22% in the CBD; lab vacancy structurally tighter.",
    "Lease-up rent-free of 18-24 months on a 10-year term.",
    "ESG retrofits accelerating across older CBD stock."
  ],
  "keyFacts": {
    "city": "Boston",
    "country": "United States",
    "region": "Americas",
    "classARentLocal": "$78/sqft/yr",
    "classARentUsd": "$78/sqft/yr",
    "vacancyPct": "19.5%",
    "typicalLeaseYears": 10,
    "typicalRentFreeMonths": 18,
    "submarkets": 6,
    "corporateTaxPct": "28%",
    "talentIndex": 95
  },
  "faqs": [
    {
      "question": "Why is Cambridge / Kendall Square so dominant in life sciences?",
      "answer": "MIT and Harvard adjacency, plus 30 years of cumulative cluster effects across pharma, biotech, and venture capital, have created the densest life-sciences talent and capital pool in the world."
    }
  ],
  "pageType": "city",
  "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/cities/boston), updated 2026-04-15T00:00:00.000Z."
}