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526-528 6Th Ave

Inner Richmond, SF 94118 1548043 4 units · 2 fl · 1910

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 Inner Richmond
At or below average
avg 0.9
0
FewerMore

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

Rent & eviction protection

Is 526-528 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 1910
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units4
Floors2
Year built1910
Total area4,600 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1548043
Ownership

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

Owner name
Tai Felix S & Lucy M Revoc
Mailing address
Felix S & Lucy M Tai 139 4Th Ave San Francisco CA 94118
Last sale
102594

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

528 06th Ave, San Francisco, CA 94118
526 06th Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The 2-story multi-family residential building at 526-528 6th Avenue in the Inner Richmond, owned by Tai Felix S & Lucy M Revoc, was constructed in 1910 and contains 4 units. The building has undergone several significant structural and safety improvements over the past two decades. Most recently, in 2015-2016, seismic improvements were made including the addition of seismic ties to water heaters, while earlier plumbing work in 2016 involved replacing the main domestic water service. The property has a documented history of stairway maintenance, with multiple repairs made to exterior stairs in 2002, 2004, and 2015 to address safety concerns.

The building experienced various maintenance and safety issues in the early 2000s, including multiple violations in 2002 related to fire safety (such as the need for sprinklers and fire extinguisher maintenance), security (self-closing doors), and building safety (stair repairs). More recent concerns include incidents of mold in 2003-2011, a garbage overflow and pest infestation report in 2018, and routine housing inspections. The property has had several plumbing improvements, including repairs to the gas line in 2009 and water service updates in 2016, though the 2016 plumbing permit is currently showing as expired. Recent exterior issues noted through 311 calls include reports of garbage and debris (most recently in 2024) and a parking violation (2021). While the building has had multiple violations and complaints over the years, records indicate that most issues were addressed and resolved, with many routine inspections showing no active violations.

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

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Risk rating

How 526-528 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
33th percentile

Out of 1723 buildings in this neighborhood, 1154 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
77%
No DBI
violation
23%
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 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 68.5%
Moderate concern 18.4%
Severe concern 13.0%
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

526-528 6Th Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 526-528 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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