Silicon Tx is currently located on the 2nd floor (SE) and is expanding into adjacent suite 250
Alteration or repair at 451 D St, Boston
Boston Inspectional Services Department permit ALT992947: issued Nov 1, 2019 for alteration or repair work at 451 D St. Silicon Tx is currently located on the 2nd floor (SE) and is expanding into adjacent suite 250. New open office concept with workstations, conference room, kitchen, and lab expansion.
- Permit number
- ALT992947
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $2,437,000
- ZIP code
- 02210
- City's category
- Renovations - Interior NSC, 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 451 D St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 17:23 UTC. See the city's official records.
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