What was permitted
For those in the Nob Hill neighborhood considering upgrades to their apartment buildings, this permit offers insight into fire safety system costs. The project at 1618 Polk St involved replacing the existing fire alarm system to ensure compliance with San Francisco and California codes.
This alteration permit was issued with an estimated project cost of $68,075. The work, which includes adding low-frequency horns in units and a wireless radio monitor, was completed by Byington Electric Corp.
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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 | 202507090430 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · Apartments |
| Status | issued |
| Job description | replace fire alarm system to meet sf/ca code + add lf horn in units + add wireless radio monitor. |
| Floor / unit | — |
| Estimated cost | $68,075 |
| Approved | June 29, 2026 |
| Issued | June 29, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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