Building permit intelligence · Boston, MA
73 Knoll St has 10 municipal building permits on file in Ward 20. The latest recorded activity was a chgocc permit dated Aug 1, 2025. Permits at this address represent $10K–$50K in total declared construction value. PropertyLabs also identified 3 mapped permits within 2 km of this address.
Change Occupancy
Plumbing
Gas
Wiring of two new condo units. All new switching, lighting, receptacles, kitchen, bathroom, living spaces, garage and basement.
Change Occupancy
Removal of structure
3 mapped permits within 2 km, shown on the intelligence map above.
12 other addresses on Knoll 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 1, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 73 Knoll St is dated Aug 1, 2025. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 73 Knoll St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Interior/Exterior Work
Roofing
Replace 140,000 btu gas boiler
Replace backflow preventer