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162-164 12Th Ave

Lake Street, SF 94118 1371029 2 units · 2 fl · 1927

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 Lake Street
At or below average
avg 0.6
0
FewerMore

This building has 0 novs (7y), at or below the Lake Street average of 0.6.

Rent & eviction protection

Is 162-164 12Th 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 1927
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 built1927
Total area3,440 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1371029
Ownership

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

Owner name
Frank Fan-Yung Mong/Sandra
Mailing address
89 Collins St San Francisco CA 94118
Last sale
062306

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.

164 12th Ave, San Francisco, CA 94118
162 12th Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The two-unit residential building at 162-164 12th Avenue in the Lake-Presidio neighborhood is a 2-story flats and duplex structure built in 1927, currently owned by Frank Fan-yung Mong and Sandra. The property's maintenance history shows several significant improvements over the past decades, including a substantial bathroom remodel in unit 164 in 2005 (cost: $2,500) that involved replacing fixtures and tiles, followed by electrical work completed the same year installing lights, switches, and receptacles. In 2006, foundation reinforcement work was performed in the garage area at a cost of $750, though this resulted in a building complaint regarding work scope that wasn't officially closed until May 2012. More recent structural attention was given to the garage area in 2012 with street space permits issued, and prior to these developments, the building underwent reroofing work in 1997.

The property has experienced minimal maintenance-related issues in recent years, with the most recent 311 calls primarily concerning street-related matters rather than building-specific concerns. There have been three street cleaning or garbage-related complaints (most recently in November 2024), a temporary moving sign request in January 2014, and one animal control service request in 2021. The limited number of building permits and complaints over its nearly 100-year history suggests relatively stable maintenance practices, with the most significant structural work occurring in the mid-2000s. While the property has been generally well-maintained, the delayed resolution of the foundation work complaint from 2006 until 2012 is the only notable compliance-related issue on record.

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

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Risk rating

How 162-164 12Th 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
62th percentile

Out of 660 buildings in this neighborhood, 251 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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

DBI complaint rate, owner's portfolio

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

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 80.6%
Moderate concern 14.6%
Severe concern 4.9%
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

162-164 12Th 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 162-164 12Th 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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