Building permit intelligence · Boston, MA
9-11 Cass St has 3 municipal building permits on file in Ward 20. The latest recorded activity was a electrical permit permit dated Mar 21, 2026. Permits at this address represent Under $10K in total declared construction value. PropertyLabs also identified 4 mapped permits within 500 m of this address.
Replace federal pacific panel for new panel in Unit 1
Remove Federal Pacific electrical panel in unit #11 and install a new Square D electrical panel
Kitchen over counter circuit upgrade.Replace sub panel.
4 mapped permits within 500 m, shown on the intelligence map above.
12 other addresses on Cass St with municipal permit records in Boston.
This address has 3 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 9-11 Cass St is dated Mar 21, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 9-11 Cass St in the PropertyLabs platform, along with alerts when new permits are filed at this address.