Demo existing garage (on separate permit) remove trees in backyard following plans construct the proposed
Addition at 91 Keystone St, Boston
Boston Inspectional Services Department permit ALT1722682: issued Aug 26, 2025 for addition work at 91 Keystone St. demo existing garage (on separate permit) remove trees in backyard following plans construct the proposed addition including all finishes.
- Permit number
- ALT1722682
- Issued
- Type of work
- Addition
- Status
- Issued
- Reported cost
- $325,000
- ZIP code
- 02132
- City's category
- Addition, Long Form/Alteration Permit
- City's status
- Open
- 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 91 Keystone St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 5, 2026. We checked it Oct 5, 21:35 UTC. See the city's official records.
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