What was permitted
Businesses in San Francisco's Financial District/South Beach can reference this permit for large-scale office alterations. The project at 50 California St involves significant HVAC and insulation work on the 27th floor.
Issued on October 7, 2026, this permit for office alterations has an estimated project cost of $300,000. The work includes new exhaust fans, VAVs, air and water balancing, and ductwork insulation, with Principal Builders Inc. as the contractor.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 202610018898 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · Office |
| Status | issued |
| Job description | 27/fl- new exhaust fan vav's air and water balancing, insulation of ductwork. ref 202608196842 |
| Floor / unit | — |
| Estimated cost | $300,000 |
| Approved | October 7, 2026 |
| Issued | October 7, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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