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658-660 5Th Ave

Inner Richmond, SF 94118 1640036 2 units · 2 fl · 1907

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 658-660 5Th 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 1907
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
Floors2
Year built1907
Total area2,800 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1640036
Ownership

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

Owner name
Kuang Liang Huang&Liang Cai
Mailing address
Liang Huang Kuang Trustee 2545 Folsom St Apt 3 San Francisco CA 94110
Last sale
000000

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.

660 05th Ave, San Francisco, CA 94118
658 05th Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The two-unit residential building at 658-660 5th Avenue in San Francisco's Inner Richmond neighborhood is a two-story flats and duplex structure built in 1907, currently owned by Kuang Liang Huang and Liang Cai. The property has undergone several significant improvements over the past two decades, with the most recent substantial renovation occurring between 2003-2004, including bathroom remodels, window replacements, interior painting, and comprehensive electrical upgrades such as installing multiple receptacles, switches, and a new sub-panel. These improvements were properly permitted and completed, demonstrating attention to compliance and modernization. Earlier maintenance work included stairway reinforcement and wall re-stuccoing completed in 1989.

The building's maintenance history shows some concerns related to exterior upkeep in the early 2000s, with complaints about peeling paint and potential lead-based paint issues filed between October 2002 and March 2003. However, these violations were ultimately abated by December 2008. More recent history indicates no building-specific complaints or violations since 2008, suggesting improved maintenance protocols. The only reported issues in recent years have been unrelated to the building's condition, including three public space matters: an abandoned vehicle report in July 2024, and two street cleaning issues in 2016 and 2019, all of which were resolved by city services. While there was one open sidewalk blockage case in May 2022 involving a portable toilet, this was an external rather than building-specific issue.

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

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Risk rating

How 658-660 5Th 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
67th percentile

Out of 1723 buildings in this neighborhood, 569 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
87%
No DBI
violation
13%
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.

Estimated permit spend (past 7 years)

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

Building age

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

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 79.5%
Moderate concern 13.9%
Severe concern 6.6%
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

658-660 5Th 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 658-660 5Th 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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