Are there building permits at 66 Mountain Av, Boston?

66 Mountain Av has 16 municipal building permits on record, with the latest activity dated May 27, 2025.

What construction activity is near 66 Mountain Av?

3 mapped permits were found within 2 km of 66 Mountain Av.

What is the declared permit value at 66 Mountain Av?

Permits recorded at 66 Mountain Av represent $100K–$500K in total declared construction value.

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PropertyLabsBostonAddress intelligence

66 Mountain Av

Building permit intelligence · Boston, MA

16 at this address3 nearby within 2 km

66 Mountain Av has 16 municipal building permits on file in Ward 14. The latest recorded activity was a electrical permit dated May 27, 2025. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 3 mapped permits within 2 km of this address.

At this address: 16
Nearby (2 km): 3
Latest activity: May 27, 2025
Total permitted value: $100K–$500K

Permit activity timeline

ELECTRICAL · 1-2FAMOpenValue not reportedMay 27, 2025
Electrical
GAS · 1-2FAMOpenValue not reportedFeb 21, 2023
Gas
PLUMBING · 1-2FAMOpenValue not reportedFeb 21, 2023
Plumbing
ELECTRICAL · 1-2FAMOpenValue not reportedDec 13, 2022
Electrical
Short Form Bldg Permit · INTEXTOpenUnder $10KJun 24, 2021
Build dog house attached to house. See plans and contract.
Electrical Low Voltage · LVOLTOpenUnder $10KFeb 26, 2021
Low Voltage Wireless Burglar Alarm Installation

Development activity near 66 Mountain Av

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

Browse recent permits near this address

More permits on Mountain Av

11 other addresses on Mountain Av with municipal permit records in Boston.

All Mountain Av permits

66 Mountain Av in the Boston permit market

This address has 16 permit records in PropertyLabs' public history and is located in Ward 14. 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 66 Mountain Av

Are there building permits at this address?: 66 Mountain Av has 16 municipal building permits on record, with the latest activity dated May 27, 2025.
What construction activity is nearby?: 3 mapped permits were found within 2 km of 66 Mountain Av.
What is the declared permit value?: Permits recorded at 66 Mountain Av represent $100K–$500K 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 66 Mountain Av is dated May 27, 2025. 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 66 Mountain Av in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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