Building permit intelligence · Boston, MA
20 Dartmouth St has 8 municipal building permits on file in Ward 4. The latest recorded activity was a extren permit dated Jul 1, 2026. Permits at this address represent $50K–$100K in total declared construction value. PropertyLabs also identified 6 mapped permits within 2 km of this address.
Renovations - Exterior
Renovations - Exterior
Low Voltage
renovation of basement kitchen and addition of basement bathroom
renovation of kitchen in basement floor and add a full bathroom
6 mapped permits within 2 km, shown on the intelligence map above.
6 other addresses on Dartmouth St with municipal permit records in Boston.
This address has 8 permit records in PropertyLabs' public history and is located in Ward 4. 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 20 Dartmouth St is dated Jul 1, 2026. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 20 Dartmouth St in the PropertyLabs platform, along with alerts when new permits are filed at this address.
install 1 eight foot patio doorn for replacement no structural changes patio door is same size style; color; and material
shelf roof replacment,new copper gutter,
Build stair case to reconnect 2nd and 3rd floor were old stair case was interior work. Change occupancy from two family to single family.
Plumbing Permit · PLUMBING · Jul 20, 2026