Building permit intelligence · Boston, MA
205 Walnut Av has 2 municipal building permits on file in Ward 12. The latest recorded activity was a insul permit dated Jul 22, 2026. Permits at this address represent Under $10K in total declared construction value. PropertyLabs also identified 6 mapped permits within 2 km of this address.
Insulation
BLOWN CELLULOSE INSULATION
6 mapped permits within 2 km, shown on the intelligence map above.
4 other addresses on Walnut Av with municipal permit records in Boston.
This address has 2 permit records in PropertyLabs' public history and is located in Ward 12. 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 205 Walnut Av is dated Jul 22, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 205 Walnut Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Short Form Bldg Permit · INSUL · Jul 20, 2026