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Housing report

823 NIAGARA AVE

Oceanview/Merced/Ingleside · San Francisco 94112

Last updated Oct 18, 2026 from public records

Building report score

9/100 High concern

F

Public records show 1 complaint file with active notices of violation, 4 active complaints, 21 complaint records, 2 permit events in the last 5 years, and repeat themes around illegal work / permits and plumbing / leaks.

What public records show

4 Active complaints
1 Active notice files
0 Active Fire violations
2 Recent permits
Year built 1907
Units 1
Property class Dwelling
Neighborhood Oceanview/Merced/Ingleside

Issue signals

Themes and patterns

Illegal work / permits 15 cases
Plumbing / leaks 13 cases
Electrical 10 cases
Heat / boiler 5 cases
Fire / life safety 3 cases

Active enforcement

Open safety and housing issues

DBI complaint 202661997

Sep 2, 2026 · Active · Housing Inspection Services

9/2/26 our unit has had no hot water. this is part of a continuing pattern of harassment and utility interference that has occurred since the landlord's 6/11/26 inspection. the landlord repeatedly accesses the shared garage/utility area without proper notice and continues to obst

DBI complaint 202659593

Jul 19, 2026 · Active · Housing Inspection Services

this property is experiencing ongoing utility sabotage, unauthorized access, and retaliation against tenants. on 7/8/26 the landlord jian jiang accessed the garage/utility area by crawling through the exterior garage opening. he manipulated the water heater controls and main wate

DBI complaint 202658282

Jun 23, 2026 · Active · Housing Inspection Services

at 4:30 pm on june 23, 2026, the landlord (jian jiang) again entered the shared garage/utility area via the exterior opening. this time, he demonstrated that the garage door can be opened without any support, definitively confirming he has full, unobstructed external access at al

DBI complaint 202545448

Oct 27, 2025 · Active · Code Enforcement Section

this property is legally designated as a single-family residence (r-3 occupancy), but it appears to have been illegally converted into a multi-unit rental property through extensive, unpermitted construction, in violation of san francisco building codes and zoning regulations. de

Formal notices

Notices of violation

Active formal notice on complaint 202545448

Oct 27, 2025

1 active notice item

Permit history

Recent permit activity

Permit 202601123658

Filed Feb 3, 2026 · filed

to comply with nov# 202545448 & 202545747, legalize unpermitted kitchen to establish new adu at ground floor per state adu program. planning code no.207.2. adu unit includes 1-kitchen, 1-bath, and 2-bedrooms.

Permit 202306291167

Completed Aug 1, 2024 · complete

remove (e) storage in backyard. ~100sf, including foundation. comply with complaint 202303730

Fire records

Fire violations and inspections

No unresolved Fire violation was found.

Resident reports

Building-related 311 reports

General Request 101003314355

Jan 14, 2026 · Closed

Full record index

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Complaints (21)
Notices of violation (1)
Permits (5)

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.