KLAVIYO - Floors 9, 10 &
Alteration or repair at 125 Summer St, Boston
Boston Inspectional Services Department permit ALT1251048: issued Sep 29, 2021 for alteration or repair work at 125 Summer St. KLAVIYO - Floors 9, 10 &; 11 -; Tenant fit-out includes a new layout, interior partitions, new ceilings, and all new Architectural finishes on 9th,10th, and 11th.; Modify existing Electrical, Mechanical, Plumbing, and Fire protection systems..; E- Plans.
- Permit number
- ALT1251048
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $500,000
- ZIP code
- 02110
- City's category
- Fast Track Application, 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 125 Summer St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 5, 2026. We checked it Oct 6, 05:59 UTC. See the city's official records.
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