Are there building permits at 99 Cass St, Boston?

99 Cass St has 3 municipal building permits on record, with the latest activity dated Jul 16, 2025.

What construction activity is near 99 Cass St?

2 mapped permits were found within 500 m of 99 Cass St.

What is the declared permit value at 99 Cass St?

The public permit records for 99 Cass St do not currently include a usable total declared construction value.

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PropertyLabsBostonAddress intelligence

99 Cass St

Building permit intelligence · Boston, MA

3 at this address2 nearby within 500 m

99 Cass St has 3 municipal building permits on file in Ward 20. The latest recorded activity was a insul permit dated Jul 16, 2025. PropertyLabs also identified 2 mapped permits within 500 m of this address.

At this address: 3
Nearby (500 m): 2
Latest activity: Jul 16, 2025

Permit activity timeline

INSUL · 1-2FAMOpenValue not reportedJul 16, 2025
Insulation
Gas Permit · GASOpenValue not reportedFeb 7, 2012
Replace dryer.
Gas Permit · GASClosedValue not reportedSep 21, 2011
Replace range.

Development activity near 99 Cass St

2 mapped permits within 500 m, shown on the intelligence map above.

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More permits on Cass St

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

All Cass St permits

99 Cass St in the Boston permit market

This address has 3 permit records in PropertyLabs' public history and is located in Ward 20. 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 99 Cass St

Are there building permits at this address?: 99 Cass St has 3 municipal building permits on record, with the latest activity dated Jul 16, 2025.
What construction activity is nearby?: 2 mapped permits were found within 500 m of 99 Cass St.
What is the declared permit value?: The public permit records for 99 Cass 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 99 Cass St is dated Jul 16, 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 99 Cass St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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