# Sign permit ALT1884235 at 99 Blackstone St, Boston

Boston Inspectional Services Department permit ALT1884235: issued Sep 2, 2026 for sign work at 99 Blackstone St. Install signs per engineered drawings and Urban Design Department approval.

- Permit number: ALT1884235
- Issued: Sep 2, 2026
- Type of work: Sign (city: Signs, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $20,443
- ZIP code: 02109
- All permits at this address: https://nearbypermits.com/boston/address/99-blackstone-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 18:01 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 99 Blackstone St: https://nearbypermits.com/boston/address/99-blackstone-st/