# Addition permit ALT1839073 at 9 Sullivan St, Boston

Boston Inspectional Services Department permit ALT1839073: issued Aug 5, 2026 for addition work at 9 Sullivan St. Excavate 12X14 addition in rear of building.Install concrete foundation as per plan.Install conctere walls and footings Install concrete plan as per plans.waterproof foundation where required, concrete work at addition is the only thing included in this estimate all others tobe discussed if needed.

- Permit number: ALT1839073
- Issued: Aug 5, 2026
- Type of work: Addition (city: Addition, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $52,000
- ZIP code: 02129
- All permits at this address: https://nearbypermits.com/boston/address/9-sullivan-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-03 23:39 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/