Building permit intelligence · Boston, MA
138 Mount Vernon St has 10 municipal building permits on file in Ward 20. The latest recorded activity was a electrical permit dated May 12, 2026. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 5 mapped permits within 500 m of this address.
Electrical
Electrical
Upgrade of water heater. Installation of backflow for new boiler.
Upgrade of existing boiler
Installation of a 7.45 kW DC solar power system with twenty one 355 watt panels
Installation of a 7.45 kW DC solar power system with twenty one 355 watt solar panels.
5 mapped permits within 500 m, shown on the intelligence map above.
12 other addresses on Mount Vernon St with municipal permit records in Boston.
This address has 10 permit records in PropertyLabs' public history and is located in Ward 20. 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 2, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 138 Mount Vernon St is dated May 12, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 138 Mount Vernon St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
renovation of bathroom
wire a bathroom
The Contractor shall remodel the second floor space in the area currently serving as a master bathroom, open area and closet. The Contractor shall fill in one existing hallway door…
Repair railings and posts front entry porch
Plumbing Permit · PLUMBING · Jul 29, 2026