Boston building permits — week of May 11, 2026
A $61M certificate of occupancy at 41 Lagrange Street is the week's standout — that's nearly a quarter of Boston's entire $251.9M in declared value coming from a single address in the Downtown Crossing corridor. The City of Boston itself shows up as a permittee with a $25.4M project on Bunker Hill Street, signaling continued municipal investment in Charlestown. With 783 permits filed and activity spread from Longwood Medical to Post Office Square, the city's construction pipeline looks broad and active heading into summer.
Top permits this week
41 Lagrange ST
$61,075,040A $61M certificate of occupancy at 41 Lagrange — the dominant story of the week, suggesting a major downtown project is crossing the finish line.
345 Bunker Hill ST
$25,407,000The City of Boston is the owner on this $25.4M Charlestown permit, pointing to a significant public project on Bunker Hill Street.
225 Franklin ST
$20,624,000A $20.6M fast-track alteration at 225 Franklin Street in the Financial District signals an urgency-driven gut renovation or major tenant buildout.
375 Cummins HW
$14,690,850Contractor and project details available to subscribers — see full details →
90 Oliver ST
$10,000,000Contractor and project details available to subscribers — see full details →
1395-1405 Washington ST
$9,225,798Contractor and project details available to subscribers — see full details →
150 Oliver ST
$8,890,000Contractor and project details available to subscribers — see full details →
332 Longwood AV
$7,800,000Contractor and project details available to subscribers — see full details →
1 Joslin PL
$6,874,334Contractor and project details available to subscribers — see full details →
1 Post Office SQ
$4,062,774Contractor and project details available to subscribers — see full details →
THE PITCH
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