The triple-decker — a three-story, one-unit-per-floor wood-frame — is Boston’s signature multi-family. Roughly 15,000 were built between 1880 and 1930, and because they were effectively banned from new construction, the finite supply has driven long-run appreciation.
Buying or selling a multi-family around Boston? Reach out for a straight, no-pressure conversation.
Listings here are curated by Justin Rollo of Signal Real Estate, an investor-friendly agent who works this market every day.
Justin Rollo of Signal Real Estate — reach out below for specifics on your situation.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.