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Housing report

334 MASON ST

Tenderloin · San Francisco 94102

Last updated Oct 6, 2026 from public records

Building report score

51/100 High concern

F

Public records show 1 complaint file with active notices of violation, 1 active complaint, 2 fire inspection follow-ups, 13 complaint records, 7 permit events in the last 5 years, and repeat themes around fire / life safety and heat / boile

What public records show

1 Active complaints
1 Active notice files
0 Active Fire violations
7 Recent permits
Year built 1912
Units 1
Property class Hotels - Other
Neighborhood Tenderloin

Issue signals

Themes and patterns

Fire / life safety 12 cases
Heat / boiler 3 cases
Electrical 2 cases
Structural / unsafe conditions 2 cases
Plumbing / leaks 2 cases

Active enforcement

Open safety and housing issues

DBI complaint 202663471

Sep 29, 2026 · Active · Code Enforcement Section

Serious falling-masonry hazard on a multi-story building immediately adjacent to the handlery union square hotel. substantial deterioration of the exterior brick masonry directly above or near an area used by hotel guests, including the swimming-pool area. significant cracking an

Formal notices

Notices of violation

Active formal notice on complaint 202663471

Sep 29, 2026

1 active notice item

Permit history

Recent permit activity

Permit 202306220612

Issued Jul 13, 2023 · issued

dish: revisiuon to 202203160088, revise location of gamma sector from facade mount to roof mount and screened in 2 n radomes. revise rrh model from 8 n mti to 8 n samsung. revise fiber poc. revise elec scope, remove batteries

Permit 202201125844

Issued Jan 12, 2022 · issued

administrative permit for sffd assembly permit for determining occupancy load. ref 202009265103.

Permit 202002134414

Issued Feb 13, 2020 · issued

fire alarm system modification: add 1 door holder to the (e) system, add 1 relay module, add 1 multi voltage relay

Permit M1009807

Issued Nov 28, 2018 · issued

street space

Permit M956807

Issued Jul 30, 2018 · issued

street space

Fire records

Fire violations and inspections

No unresolved Fire violation was found.

Fire inspection 519994

Oct 4, 2023 · Open/Follow-Up Needed

Fire inspection 351412

Apr 24, 2018 · Pending

Resident reports

Building-related 311 reports

Residential Building 101001722012

Apr 5, 2025 · Closed

Full record index

All record numbers on file

Every public record number associated with this address. Tap any number to view the underlying record.

Complaints (13)
Notices of violation (7)
Fire violations (9)
Fire inspections (25)
Permits (25)

This page is a non-official summary built from City and County of San Francisco public records (DBI, Fire, 311, building permits). The interactive version below loads the latest data live. Learn how Housing Report Card works.