Building permit intelligence · Boston, MA
257 Marlborough St has 23 municipal building permits on file in Ward 5. The latest recorded activity was a gas permit dated Jun 25, 2026. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 3 mapped permits within 500 m of this address.
Gas
Gas
Creation Iron Design will fully repair & secure all front & back fire escape egresses, replacing structural bolts, repairing bracket supports from back of building, removing deteri…
Electrical
rewire first floor apartment being remodeled
3 mapped permits within 500 m, shown on the intelligence map above.
12 other addresses on Marlborough St with municipal permit records in Boston.
This address has 23 permit records in PropertyLabs' public history and is located in Ward 5. The city figures below provide context without changing the focus of this exact-address record.
City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Aug 1, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 257 Marlborough St is dated Jun 25, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 257 Marlborough St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Plumbing
Renovations - Interior NSC
Gas
Replace 14 non historic windows in kind. Historic approval 17.1136BB.
Re-pointing Front and Rear Facade, Repair and seal the front and rear window perimeters. Repair Wood Trim/Siding Front Balcony Facade
Kitchen and bathroom renovation
kitchen and bathroom remodel
connect kitchen sink and dishwasher
connect gas range
Replace kitchen cabinets
#2-Replace 3 wiindows in kind 16.375
gas pipe grill on 5th floor deck
Replace kitchen sink and faucet
Kitchen renovation. Replace Kitchen Cabinets. Tile floor and paint. Same layout as existing.
Rewire Condo Unit # 9 Relocate Electrical Panel in Condo Unit # 9
Remodel of bath, kitchen and lav.
Remodel;interior of;unit 9
replace 6 French doors. Replace 4 sky lights. Install new rubber roof. Replace existind slate shingles around French doors to match existing to building.