Building permit intelligence · Boston, MA
20 Western Av has 65 municipal building permits on file in Ward 22. The latest recorded activity was a other permit dated Jul 15, 2026. Permits at this address represent $25MM+ in total declared construction value. PropertyLabs also identified 1 mapped permit within 500 m of this address.
Other
Other
Other
Other
Fast Track Application
Fast Track Application
1 mapped permit within 500 m, shown on the intelligence map above.
7 other addresses on Western Av with municipal permit records in Boston.
This address has 65 permit records in PropertyLabs' public history and is located in Ward 22. 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 20 Western Av is dated Jul 15, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 20 Western Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Erect
Erect
Erect
Other
Other
Other
Other
Plumbing
Plumbing
Plumbing
Plumbing
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fast Track Application
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Fire Alarm
Electrical
Electrical
Electrical
Electrical
Electrical
Erect
Erect
Plumbing
Plumbing
Plumbing
Erect
Erect
Plumbing
Erect
Erect
Temporary power for new street lighting.
95.52kW DC / 80.00kW AC ROOF MOUNTED SOLAR ARRAY
Provide branch wiring and conduit for a new water feature for Harvard University at 20 Western Ave.
New street lighting system along new road Trotting Avenue and Milestone Street.
Install conduit & wiring for lighting, outlets & power pedestals for new outside Greenway space. Install empty conduits for tel-data provisions. Install feeder for new Greenway ele…
Provide low voltage wiring for camera's , doors, and tel/data systems throughout building. Address listed as 22-40 Western Ave.
L24022 - Wire and install telecom for the new building (all 3 floors)
Harvard ERC Greenway- Landscape, hardscape, water feature, furnishings, support area lighting, installation. All work associated and fees paid under ERT 1477406 Harvard David Ruben…
Install temporary 800A service fed from temporary Eversource transformer to support temporary construction power. Install temporary lighting and power through all floors. Provide a…
Installation of new fire alarm system, bi-directional amplifier system and area of refuge communication system.
New electrical service install at Harvard Treehouse new conference center with lights & power.
Plumbing scope associated with the Treehouse Conference Center new construction project located in phase 1 of the Harvard Enterprise Research Campus on the corner of Western Ave an…
Installation of Pre Action System
Installation of Pre Action System
Conference center w/ 3 stories and basement. Mass Timber Construction Type VA, Elevators, M/E/P systems. 3 level Atrium w/ smoke control, Life Safety systems NFPA 70,72,13,14,20, C…