# Alteration or repair permit ALT868099 at 39-41 N Margin St, Boston

Boston Inspectional Services Department permit ALT868099: issued Oct 22, 2020 for alteration or repair work at 39-41 N Margin St. Addition to and convert existing 4 3/4 story masonry building (3 stories finished 1 3/4 stories unfinished containing Knights of Colombus facility (approximately 16,000 square feet) into 5 story building containing approximately 25,000 square feet (1500 sf for Knights of Colombus on part of first floor and 23,500 for twenty three (23) units of affordable "elderly housing" on floors 1 thru 5. Building to have all new plumbing, mechanical, electrical, fire alarm and to be fully sprinkled. (Paper plans).

- Permit number: ALT868099
- Issued: Oct 22, 2020
- Type of work: Alteration or repair (city: Change Occupancy, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $6,250,000
- ZIP code: 02113
- All permits at this address: https://nearbypermits.com/boston/address/39--41-n-margin-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 00:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 39-41 N Margin St: https://nearbypermits.com/boston/address/39--41-n-margin-st/