What was permitted
A permit has been issued for alterations to an apartment building located at 545 Guerrero Street in San Francisco's Mission district. The project involves replacing the fire alarm system to comply with local and state codes.
This upgrade includes adding LF horns in units and a wireless radio monitor, with an estimated project cost of $38,000. The permit was issued on June 30, 2026, and Byington Electric Corp is the contractor.
This work is being done to ensure the building meets current fire safety regulations.
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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 | 202510076857 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · Apartments |
| Status | issued |
| Job description | replace fire alarm system to meet sf/ca codes & add lf horns in units + add wireless radio monitor |
| Floor / unit | — |
| Estimated cost | $38,000 |
| Approved | June 30, 2026 |
| Issued | June 30, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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