Building permit intelligence · Boston, MA
121 Frankfort St has 10 municipal building permits on file in Ward 1. The latest recorded activity was a electrical permit dated Feb 5, 2026. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 18 mapped permits within 2 km of this address.
Electrical
Fire Alarm
Electrical
Fire Alarm
Fire Alarm
Fire Alarm
18 mapped permits within 2 km, shown on the intelligence map above.
10 other addresses on Frankfort St with municipal permit records in Boston.
This address has 10 permit records in PropertyLabs' public history and is located in Ward 1. 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 121 Frankfort St is dated Feb 5, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 121 Frankfort St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Electrical
Fire Alarm
Install fire alarm system in (2) temporary sleeping trailer
Install new 13.8KV services to 500KVA xfmr. Feed 1600A MDP and then supply 800A feed to each DP of 2 temporary trailer. Make internal connection. Install heat trace
Electrical Permit · ELECTRICAL · Jul 21, 2026