Free SF apartment background check

828 Anza St

Lone Mountain, SF 94118 1085038 12 units · 3 fl · 1959

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lone Mountain
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Lone Mountain average of 0.9.

Rent & eviction protection

Is 828 Anza St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1959
2 or more units
12 units
Property type
Multi-Family Residential
Zoning
RH2
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units12
Floors3
Year built1959
Total area10,032 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1085038
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Wong Stephen H
Mailing address
Kwok C Wong & Har K Luk Rev Po Box 210209 San Francisco CA 94121
Last sale
062420

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The 12-unit multi-family residential building at 828 Anza Street in the Lone Mountain neighborhood, owned by Stephen H. Wong, has undergone significant safety improvements and modifications since 2020. Most notably, the building completed its mandatory soft-story retrofit in 2016 (as a Tier 3 property), and subsequently underwent major renovation work in 2020 to add four ground-floor accessory dwelling units, including structural modifications and window installations. This renovation triggered the installation of a new fire sprinkler system throughout the ground floor and a building-wide fire alarm system, with work on these systems continuing into 2023 and 2024, completed at a total cost of approximately $100,000 for the sprinkler system and $52,000 for the fire alarm system upgrades. The building's electrical systems received extensive attention in 2023, with rewiring work completed in multiple units (102, 103, and 104), along with new kitchen and bathroom installations in four units.

The property has a history of addressing safety concerns, including resolving building violations in 2006 related to stairway handrails and fire extinguishers, and more recently responding to a 2023 complaint about unauthorized modifications to garage spaces. Regular routine safety inspections have been conducted over the years, most recently in 2023, with documented resolutions of various fire safety and alarm system issues. The building has experienced typical urban maintenance issues as documented in 311 calls, primarily related to street cleaning and sidewalk access, with the most recent concerns being in late 2023 regarding construction equipment and maintenance permits. Recent fire safety inspections in early 2024 noted issues with street numbering and sprinkler systems, though these were promptly addressed or found to have no merit.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 828 Anza St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
8th percentile

Out of 519 buildings in this neighborhood, 477 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
48%
No DBI
violation
52%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 58.8%
Moderate concern 35.5%
Severe concern 5.7%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

828 Anza St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
311 Request Feb 09
Other excessive noise
Noise
Fire ComplaintJan 23
Alarm Systems

See all 20 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 828 Anza St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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