Are there building permits at 12 Union Av, Boston?

12 Union Av has 3 municipal building permits on record, with the latest activity dated Jun 23, 2026.

What construction activity is near 12 Union Av?

5 mapped permits were found within 2 km of 12 Union Av.

What is the declared permit value at 12 Union Av?

Permits recorded at 12 Union Av represent $10K–$50K in total declared construction value.

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PropertyLabsBostonAddress intelligence

12 Union Av

Building permit intelligence · Boston, MA

3 at this address5 nearby within 2 km

12 Union Av has 3 municipal building permits on file in Ward 11. The latest recorded activity was a electrical permit dated Jun 23, 2026. Permits at this address represent $10K–$50K in total declared construction value. PropertyLabs also identified 5 mapped permits within 2 km of this address.

At this address: 3
Nearby (2 km): 5
Latest activity: Jun 23, 2026
Total permitted value: $10K–$50K

Permit activity timeline

ELECTRICAL · 1-2FAMClosedValue not reportedJun 23, 2026
Electrical
ELECTRICAL · 1-2FAMOpenValue not reportedJun 23, 2026
Electrical
Long Form/Alteration Permit · INTEXTOpen$10K–$50KDec 3, 2020
Add new three-story deck to rear of house to existing two-family dwelling. [ePlan]

Development activity near 12 Union Av

5 mapped permits within 2 km, shown on the intelligence map above.

Browse recent permits near this address

More permits on Union Av

6 other addresses on Union Av with municipal permit records in Boston.

All Union Av permits

12 Union Av in the Boston permit market

This address has 3 permit records in PropertyLabs' public history and is located in Ward 11. 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 12 Union Av

Are there building permits at this address?: 12 Union Av has 3 municipal building permits on record, with the latest activity dated Jun 23, 2026.
What construction activity is nearby?: 5 mapped permits were found within 2 km of 12 Union Av.
What is the declared permit value?: Permits recorded at 12 Union Av represent $10K–$50K 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 12 Union Av is dated Jun 23, 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 12 Union Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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