Free SF apartment background check

865 47Th Ave

Outer Richmond, SF 94121 1690009 6 units · 2 fl · 1928

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 865 47Th 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 1928
2 or more units
6 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
Units6
Floors2
Year built1928
Total area3,880 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1690009
Ownership

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

Owner name
Ko Wha Gon & Linda Kam-Lin
Mailing address
2724 Cabrillo St San Francisco CA 94121
Last sale
050201

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 865 47th Avenue in San Francisco's Outer Richmond district is a two-story, 6-unit multi-family residential building constructed in 1928, currently owned by Ko Wha Gon & Linda Kam-lin. The building has undergone several significant safety and maintenance improvements over the years, with the most recent being a comprehensive fire alarm system upgrade completed in 2023 at a cost of $24,350, which included the installation of low-frequency sounders in bedrooms and living rooms. The building successfully completed a mandatory seismic retrofit of its soft-story structure in 2015, demonstrating compliance with San Francisco building codes. Other notable improvements include a 200-amp electrical panel upgrade in 2023, historical dry rot repairs from 1998, reroofing work from 1997, and repairs to the rear stairs and garage ceiling in 1993.

The building experienced a routine apartment housing inspection in January 2008 that resulted in multiple violations related to fire safety and security, including issues with exit door locks, smoke enclosure door closers, and an unapproved enclosure. These violations were all abated by February 2008. A construction-related complaint was filed in 2001 regarding interior work, which was resolved by 2012. More recently, the property has had several 311 calls between 2019-2021, including reports of a rodent/insect infestation in 2019, sewage backup in 2020, and general cleaning issues. A single fire incident was recorded involving contained trash or rubbish burning, with no civilian injuries. The building's maintenance record shows a pattern of addressing structural and safety concerns, particularly focusing on seismic and fire safety improvements.

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

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Risk rating

How 865 47Th 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
8th percentile

Out of 1040 buildings in this neighborhood, 957 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
45%
No DBI
violation
55%
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 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.

12-Month severity forecast
No violation 54.9%
Moderate concern 24.0%
Severe concern 21.2%
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

865 47Th Ave event timeline

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

2026
DBI Complaint Jan 20
Date last observed: 17-jan-26; time last observed: 0800; identity of person performing the work: no idea, you better take a loo; floor: 0; unit: 0; exact location: main bldg; building type: residence/dwelling work w/o permit; ; additional information: parking and driveway concrete removal / repoure;
Code Enforcement Section

See all 4 events

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

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Every record we have

Full data for 865 47Th 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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