Building permit intelligence · Boston, MA
477 Longwood Av has 35 municipal building permits on file in Ward 4. The latest recorded activity was a plumbing permit dated Jul 2, 2026. Permits at this address represent $10K–$50K in total declared construction value. PropertyLabs also identified 10 mapped permits within 500 m of this address.
Plumbing
Plumbing
Low Voltage
Low Voltage
Fire Alarm
Electrical
10 mapped permits within 500 m, shown on the intelligence map above.
9 other addresses on Longwood Av with municipal permit records in Boston.
This address has 35 permit records in PropertyLabs' public history and is located in Ward 4. 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 477 Longwood Av is dated Jul 2, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 477 Longwood Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Fire Alarm
Electrical
Electrical
Fire Alarm
Special Events
Special Events
Special Events
Special Events
Special Events
Special Events
Special Events
Special Events
Fast Track Application
Fast Track Application
Fast Track Application
Plumbing
Plumbing
Low Voltage
Electrical
Electrical
Other
Electrical
Fire Alarm
Plumbing
Gas
Installation of (8) new duct smoke detectors in the roof top units supply and return ducts - RTU-18, RTU-19, RTU-20, and RTU-21.
Rewire 4 replacement roof top units
Intrusion - installing 6 panic buttons, 1 expansion module and a receiver
hvac controls up grade DDC
Electrical Fire Alarms · FA · Jul 24, 2026