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1718-1720 48Th Ave

Outer Sunset, SF 94122 2002048 2 units · 2 fl · 1924

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 Outer Sunset
Above average
avg 1.8
7
FewerMore

This building has 7 novs (7y), above the Outer Sunset average of 1.8.

Rent & eviction protection

Is 1718-1720 48Th 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 1924
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1924
Total area3,254 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2002048
Ownership

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

Owner name
Lieu Philip Gok
Mailing address
195 Butler St Milpitas CA 95035
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.

1718 48th Ave, San Francisco, CA 94122
1720 48th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The two-unit residential building at 1718-1720 48th Avenue in San Francisco's Outer Sunset neighborhood is a two-story flats and duplex structure built in 1924, currently owned by Philip Gok Lieu. The property has undergone several significant improvements over the years, with the most recent major renovations including kitchen floor tiling and cabinet work in 2013, and the installation of vinyl siding on the back sides of the building in 2011. In December 2018, the building experienced a cluster of violations related to interior maintenance, including issues with paint condition, kitchen cabinets, weatherstripping, and the need for carbon monoxide and smoke alarm compliance - all of which were successfully abated by February 2019.

The property has seen ongoing maintenance attention, with permits issued for street space and sidewalk repairs over the years, including the most recent parking-related enforcement in March 2024. Historical improvements to the building include the addition of a study room and toilet room in 1989, which suggest continued adaptation of the space to meet modern needs. The most recent open issue pertains to a pavement defect reported in August 2023, though this appears to be a street-related matter rather than an immediate building concern. While the 2018 violations indicated some maintenance challenges at that time, the prompt follow-up and resolution suggest proactive property management since then, though potential tenants should be aware of the building's age and history of requiring periodic maintenance updates.

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

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Risk rating

How 1718-1720 48Th 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
54th percentile

Out of 632 buildings in this neighborhood, 291 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
80%
No DBI
violation
20%
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.

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.

12-Month severity forecast
No violation 51.1%
Moderate concern 18.5%
Severe concern 30.4%
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

1718-1720 48Th Ave event timeline

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

2024
311 Request Mar 26
Parking on sidewalk
Blocked Driveway or Illegal Parking

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1718-1720 48Th Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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