Free SF apartment background check

610 6Th Ave

Inner Richmond, SF 94118 1639045 3 units · 2 fl · 1909

This building has significantly more problems than most nearby buildings. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Inner Richmond
Above average
avg 0.9
1
FewerMore

This building has 1 novs (7y), above the Inner Richmond average of 0.9.

Rent & eviction protection

Is 610 6Th 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 1909
2 or more units
3 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
Units3
Floors2
Year built1909
Total area2,775 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1639045
Ownership

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

Owner name
Tang Wai Fong Trustee
Mailing address
612 6th Ave San Francisco CA 94118
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 610 6th Avenue in the Inner Richmond is a two-story multi-family residential building constructed in 1909, containing three units with a ground floor commercial space. The building has been experiencing significant recent maintenance issues, most notably concerning safety hazards posed by broken windows. Currently, there is an active violation filed on November 20, 2023, regarding five broken window panes at the ground floor level near the sidewalk, which create what has been described as a potentially unsafe condition, particularly concerning accessibility to young children. This follows a similar complaint from October 27, 2023, about broken windows at the same height and location, indicating a pattern of neglect regarding building maintenance.

The property has also generated multiple 311 calls regarding sanitation issues in recent months, with numerous reports between December 15, 2024, and January 12, 2025, concerning overflowing city garbage cans and other debris on the street and sidewalk areas, though these specific sanitation issues appear to be more related to public space management rather than building maintenance. An older complaint from June 1, 2018, regarding a vacant commercial storefront remains listed as active, suggesting potential ongoing issues with the ground floor commercial space. The building and its surroundings have shown a pattern of maintenance concerns over the past several months, with particular attention needed to address the safety implications of the broken windows.

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

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Risk rating

How 610 6Th 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
10th percentile

Out of 1723 buildings in this neighborhood, 1551 are predicted to be safer.

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

DBI tenant complaints (past 7 years)

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

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 30.9%
Moderate concern 55.3%
Severe concern 13.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

610 6Th Ave apartment reviews

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The story over time

610 6Th Ave event timeline

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

2023
Building Violation (NOV) Nov 20
5 panes of glass, which are parts of a window at the ground floor adjacent to the sidewalk are broken creating a potentially unsafe condition. code/section: sfbc 102a monthly monitoring fee applies. code/section: sfbc 110a, table 1a-k
DBI ComplaintNov 20
Date last observed: 17-nov-23; time last observed: 12:00; floor: ground flo; exact location: main bldg; building type: residence/dwelling other building; ; additional information: broken window is at 610 6th ave, and the window is about 2 feet off the ground, accessible to young children. it has been broken for months. ;

See all 5 events

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

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Every record we have

Full data for 610 6Th 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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