# Alteration or repair permit ALT235451 at 20 Clinton St, Boston

Boston Inspectional Services Department permit ALT235451: issued Nov 22, 2013 for alteration or repair work at 20 Clinton St. Change occupancy to include Wireless communication.; AT&;T is proposing to install 12 antennas, 15 radioheads and 3 surge arrestors on the rooftop of this parking garage. The antennas will all be facade mounted. AT&;T will also install a 18' x 12.5' shelter on the top level of the garage.; as per plans.

- Permit number: ALT235451
- Issued: Nov 22, 2013
- Type of work: Alteration or repair (city: Change Occupancy, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $165,000
- ZIP code: 02109
- All permits at this address: https://nearbypermits.com/boston/address/20-clinton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-10 12:42 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 Clinton St: https://nearbypermits.com/boston/address/20-clinton-st/