# New building permit ERT521308 at 509 E First St, Boston

Boston Inspectional Services Department permit ERT521308: issued Dec 1, 2015 for new building work at 509 E First St. Erect a new 4 story Mixed-Use Building. There will be;1 Commercial space and 1 Residential Unit located on the Ground Floor.; There will also be an;8 space Resident Parking Garage;on the Ground Floor.;On the Upper Floors will be 7 Residential Units.; The Building will be fully;Sprinklered.;.

- Permit number: ERT521308
- Issued: Dec 1, 2015
- Type of work: New building (city: Erect, Erect/New Construction)
- Status: Finished (city: Closed)
- Reported cost: $1,825,000
- ZIP code: 02127
- All permits at this address: https://nearbypermits.com/boston/address/509-e-first-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-03 22:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/