Building permit intelligence · Boston, MA
9 Mount Vernon St has 17 municipal building permits on file in Ward 7. The latest recorded activity was a intext permit dated Jul 8, 2026. Permits at this address represent $1MM–$5MM in total declared construction value. PropertyLabs also identified 6 mapped permits within 500 m of this address.
Interior/Exterior Work
Insulation
Interior/Exterior Work
Renovations - Exterior
Plumbing
Other
6 mapped permits within 500 m, shown on the intelligence map above.
12 other addresses on Mount Vernon St with municipal permit records in Boston.
This address has 17 permit records in PropertyLabs' public history and is located in Ward 7. 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 2, 2026.
PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 9 Mount Vernon St is dated Jul 8, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 9 Mount Vernon St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
Strip siding on existing building and replace with vinyl siding
Wiring renovated single family home and new service
Change occupancy from a two-family approved in ALT767927 to a single-family. [eplan]
Install gas piping for two fireplaces, one cooktop, one gas grill on deck, two water heaters, and one furnace.
Remodel 4 baths, kitchen and laundry
Construct addition on rear of existing house and new garage at rear of property as shown on the drawings. *CS-X85808- DAVID SEXTON Exp. 3/10/21
demon complete inside of bulding, all load bearing walls to remain
Install 8 circuit 100 AMP panel
Add the public meter. Install hall way light, out side light and basement light.
Install 120 V Smoke detector for common area.
plumbing
Certificate of Occupancy · ERECT · Jul 29, 2026