Building permit intelligence · Boston, MA
20 Alwin St has 4 municipal building permits on file in Ward 18. The latest recorded activity was a sol permit dated Oct 20, 2022. Permits at this address represent Under $10K in total declared construction value. PropertyLabs also identified 1 mapped permit within 500 m of this address.
Solar Panels
Solar Panels
Service Change
strip existing asphalt roof shingles, install new roof paper and new asphalt shingles.
1 mapped permit within 500 m, shown on the intelligence map above.
12 other addresses on Alwin St with municipal permit records in Boston.
This address has 4 permit records in PropertyLabs' public history and is located in Ward 18. 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 3, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 20 Alwin St is dated Oct 20, 2022. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 20 Alwin St in the PropertyLabs platform, along with alerts when new permits are filed at this address.