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General contractor · Boston, MA

Harborline Builders

Multifamily and institutional builders in Greater Boston

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About Harborline Builders

Harborline Builders delivers multifamily and institutional work throughout Greater Boston. Our preconstruction team prices every scope in-house before it goes out to bid, so the numbers subs see are the numbers we hold.

Trades they hire

FramingDrywall

Recent work

  • Back Bay landmark restoration

    Back Bay landmark restoration

    Completed Mar 17, 2025

  • Cambridge lab building envelope

    Cambridge lab building envelope

    Completed Aug 4, 2025

  • Dorchester affordable housing, 96 units

    Dorchester affordable housing, 96 units

    Completed Dec 22, 2025

  • Seaport life-sciences fit-out — 4 floors

    Seaport life-sciences fit-out — 4 floors

    Completed May 11, 2026

Reviews

  • 5.0Voltline Electric · Aug 9, 2026

    Well-run job. RFIs came back inside two days and the coordination meetings were actually useful rather than a formality.