Are there building permits at 40 Mill St, Boston?

40 Mill St has 2 municipal building permits on record, with the latest activity dated Jul 9, 2026.

What construction activity is near 40 Mill St?

1 mapped permit were found within 500 m of 40 Mill St.

What is the declared permit value at 40 Mill St?

Permits recorded at 40 Mill St represent Under $10K in total declared construction value.

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PropertyLabsBostonAddress intelligence

40 Mill St

Building permit intelligence · Boston, MA

2 at this address1 nearby within 500 m

40 Mill St has 2 municipal building permits on file in Ward 16. The latest recorded activity was a roof permit dated Jul 9, 2026. Permits at this address represent Under $10K in total declared construction value. PropertyLabs also identified 1 mapped permit within 500 m of this address.

At this address: 2
Nearby (500 m): 1
Latest activity: Jul 9, 2026
Total permitted value: Under $10K

Permit activity timeline

ROOF · MultiOpenValue not reportedJul 9, 2026
Roofing
Short Form Bldg Permit · INTEXTOpenUnder $10KJul 28, 2014
Install 6 storm windows 1st floor

Development activity near 40 Mill St

1 mapped permit within 500 m, shown on the intelligence map above.

Browse recent permits near this address

38 Mill St26 m away
Electrical Permit · ELECTRICAL · Jul 23, 2026

More permits on Mill St

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

All Mill St permits

40 Mill St in the Boston permit market

This address has 2 permit records in PropertyLabs' public history and is located in Ward 16. 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 40 Mill St

Are there building permits at this address?: 40 Mill St has 2 municipal building permits on record, with the latest activity dated Jul 9, 2026.
What construction activity is nearby?: 1 mapped permit were found within 500 m of 40 Mill St.
What is the declared permit value?: Permits recorded at 40 Mill St represent Under $10K in 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 40 Mill St is dated Jul 9, 2026. 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 40 Mill St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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