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1436-1438 20Th Ave

Central Sunset, SF 94122 1834030 2 units · 2 fl · 1945

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Central Sunset — not a forecast
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Central Sunset average of 0.7.

Rent & eviction protection

Is 1436-1438 20Th 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 1945
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1945
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units2
Floors2
Year built1945
Total area2,000 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1834030
Ownership

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

Owner name
Mailing address
Jew Frank & Denise Tse Trus 50 Gellert Dr San Francisco CA 94132
Last sale
July 08, 2011

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

1438 20th Ave, San Francisco, CA 94122
1436 20th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The two-story multi-family residential building at 1436-1438 20th Avenue in San Francisco's Central Sunset neighborhood is a duplex property built in 1945 and currently owned by the Jew Family Trust. The building's maintenance history shows several infrastructure improvements, including a completed kitchen window installation in 1984, a reroofing project from 1995 (now expired), sidewalk repairs initiated in 2000 (now expired), and a street space permit issued in 2017 for a nominal cost.

Recent property and street conditions have been marked by several notable events. Most concerning was a collapsed sidewalk reported in October 2023, which was classified as a defect by the Department of Public Works and required attention. The building experienced a sewage backup issue in June 2019 involving a 4-inch sewer vent that was resolved by PUC Sewer Operations. The property has been subject to numerous parking-related incidents in recent years, with several cases of sidewalk parking and driveway blocking reported between 2019 and 2024, though many of these could not be validated by responding officers. The surrounding area has also seen occasional cleaning issues, with reports of loose garbage in January 2024, and a complaint to the Bureau of Street Environmental Services in June 2020 during the COVID-19 pandemic, though this concern was noted as outdated. The building's permit and incident history suggests ongoing attention to infrastructure maintenance is required, particularly regarding the sidewalk conditions which appear to have been a recurring issue.

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

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Risk rating

How 1436-1438 20Th 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
52ndpercentile

Out of 814 buildings in this neighborhood, 391 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
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 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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month risk forecast
Low failure risk 14%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1436-1438 20Th Ave apartment reviews

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On the map

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The story over time

1436-1438 20Th 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 1436-1438 20Th Ave apartments

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

Side by side

How 1436-1438 20Th Ave compares to the neighborhood

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