Free SF apartment background check

473 34Th Ave

Outer Richmond, SF 94121 1466012 2 units · 3 fl · 1900

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

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 473 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 1900
2 or more units
2 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
Units2
Floors3
Year built1900
Total area3,210 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1466012
Ownership

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

Owner name
Chiu Family Trust
Mailing address
John Y & Agnes Chiu Trustee 3825 Quintara St San Francisco CA 94116
Last sale
031414

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 473 34th Avenue in San Francisco's Outer Richmond neighborhood is a three-story multi-family residential building constructed in 1900, containing two units and currently owned by the Chiu Family Trust. The building has undergone several significant renovations over its lifetime, with the most recent substantial work occurring in 2017 when both units received kitchen cabinet and bathroom tile updates costing $20,000. A major construction project took place in 1997 involving horizontal and vertical additions valued at $230,102, followed by multiple revisions including the addition of a concrete retaining wall and reinforcement of the existing concrete foundation in 1998-1999. Earlier improvements included repairs to various building elements in 1991 and work on stairs and siding in 1985.

Recent concerns about the building's condition include a 2024 complaint regarding gas venting in the laundry room, though this case is currently listed as not active. The property has experienced several maintenance issues in recent months, including a sewage backup discharge in December 2024, though this was promptly resolved. There have been multiple reports of parking violations, with seven documented cases of vehicles blocking driveways between 2022 and 2024, resulting in several citations. The building's surroundings have also faced some challenges, with reports of garbage and debris requiring attention in 2024. A flickering street light issue was reported and resolved in November 2024, and there was one incident involving a bicycle lane violation in 2020, which was logged for data collection purposes.

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

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Risk rating

How 473 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
49th percentile

Out of 1040 buildings in this neighborhood, 530 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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.

Neighborhood location

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 73.2%
Moderate concern 19.8%
Severe concern 7.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

473 34Th Ave apartment reviews

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The story over time

473 34Th Ave event timeline

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

2024
DBI Complaint Oct 31
Laundry room seems venting with gas line back inside and health concerns
Housing Inspection Services
311 RequestSep 18
Garbage and debris

See all 3 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 473 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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