Are there building permits at 31 Mill St, Boston?

31 Mill St has 2 municipal building permits on record, with the latest activity dated Oct 14, 2021.

What construction activity is near 31 Mill St?

No additional mapped permits were found within 500 m of 31 Mill St in the current public cohort.

What is the declared permit value at 31 Mill St?

The public permit records for 31 Mill St do not currently include a usable total declared construction value.

31 Mill St

Boston, MA

31 Mill St has 2 municipal building permits on file. The latest recorded activity was a plumbing permit dated Oct 14, 2021.

At this address: 2
Nearby (500 m): 0
Latest activity: Oct 14, 2021

Permit activity timeline

PLUMBING · 1-2FAMOpenValue not reportedOct 14, 2021
Plumbing
GAS · 1-2FAMOpenValue not reportedOct 7, 2021
Gas

More permits on Mill St

12 other addresses on Mill St with municipal permit records in Boston.

All Mill St permits

31 Mill St in the Boston permit market

This address has 2 permit records in PropertyLabs' public history. The city figures below provide context without changing the focus of this exact-address record.

Explore Boston building permits

City address-linked rows: 657,836
City, trailing 90 days: 0
City, trailing 30 days: 0

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.

Permit questions about 31 Mill St

Are there building permits at this address?: 31 Mill St has 2 municipal building permits on record, with the latest activity dated Oct 14, 2021.
What construction activity is nearby?: No additional mapped permits were found within 500 m of 31 Mill St in the current public cohort.
What is the declared permit value?: The public permit records for 31 Mill St do not currently include a usable total declared construction value.

About this address record

PropertyLabs compiled this permit history from municipal public records for Boston, MA. The latest recorded permit activity at 31 Mill St is dated Oct 14, 2021. Municipal records can be corrected or updated after publication.

Sources and data notes

Published by Boston, MA via Boston Open Data.
Municipal sources remain authoritative for permit status and details.
Coverage context: PropertyLabs Coverage Observatory and the permit-data methodology.
Address research workflow: how to check building permits for an address.
City research: Boston Building Permit Activity Through July 19, 2026.
Declared values may be applicant-reported and are not independently verified. See what declared construction value means.
Permit issuance does not confirm that construction has started.
Records may be delayed, revised, or incomplete relative to the municipal source.
Spot an error? Contact us with a correction.

Contractors and applicants associated with these permits

See the contractors, applicants, permit holders, permit numbers, and project documents associated with 31 Mill St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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