Free SF apartment background check

600 34Th Ave

Outer Richmond, SF 94121 1576018 12 units · 3 fl · 1922

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 600 34Th Ave 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 1922
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 built1922
Total area8,220 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1576018
Ownership

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

Owner name
Dick L & Chuan F Chang Revo
Mailing address
Chang Dick L & Chuan F Trus 600 34Th Ave Apt 8 San Francisco CA 94121
Last sale
041017

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 12-unit, 3-story apartment building at 600 34th Avenue in San Francisco's Outer Richmond neighborhood, owned by Dick L & Chuan F Chang Revo, has a significant history of fire safety concerns that were ultimately addressed through various interventions. Most notably, the building underwent mandatory soft-story retrofitting in 2018 at a cost of $85,000 to improve seismic safety, achieving compliance with Tier 4 requirements. A major cluster of violations was documented in late 2004 related to fire safety, security, and maintenance issues, including problems with the central alarm system, fire escape ladder, combustible storage, and security locks. These violations remained unresolved for several years but were finally abated by February 2010.

More recent incidents include a 2019 complaint about blocked exits, which was corrected by April 2019, and two 2006 violations related to alarm systems that were also resolved promptly. The building's maintenance history shows some attention to upkeep, with records indicating past reroofing work from 1989, though this permit is now expired. Recent activities at the property have included the establishment of a Cottage Food Operation (dba The Sugar Plum Fairy) approved in 2022, though this is subject to specific zoning and usage restrictions. The building has experienced typical urban issues including multiple reports of sidewalk parking violations and building graffiti, with the most recent incident involving a sewage discharge in October 2024. A recurring theme in the building's history is the need for comprehensive fire safety systems, as indicated by multiple fire-related complaints and violations over the years, though these have generally been addressed through required corrections and improvements.

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

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Risk rating

How 600 34Th Ave'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
3th percentile

Out of 1040 buildings in this neighborhood, 1009 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
30%
No DBI
violation
70%
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.

Number of units

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

Building size

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

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 19.2%
Moderate concern 31.0%
Severe concern 49.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

600 34Th Ave apartment reviews

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The story over time

600 34Th Ave event timeline

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

2026
311 Request Jun 07
Blocking driveway cite tow
Parking Enforcement

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 600 34Th Ave 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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