Adding an additional dwelling unit (ADU) in the basement and integrating the new unit into existing heating
Alteration or repair at 45 Longfellow St, Boston
Boston Inspectional Services Department permit ALT1581741: issued Oct 17, 2024 for alteration or repair work at 45 Longfellow St. Adding an additional dwelling unit (ADU) in the basement and integrating the new unit into existing heating, hot water, plumbing, and electrical systems. ADU will be 1 bed, 1 bath, with a kitchen, living room, hard-wired smoke detectors, new windows + doors, and NEPA 13D tank + sprinkler system.*Application reassigned to FD on 10.17.24.
- Permit number
- ALT1581741
- Issued
- Type of work
- Alteration or repair
- Status
- Finished
- Reported cost
- $73,000
- ZIP code
- 02122
- City's category
- Renovations - Interior NSC, Long Form/Alteration Permit
- City's status
- Closed
- Source
- Boston Inspectional Services Department permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 45 Longfellow St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 20:17 UTC. See the city's official records.
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