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426-428 Hugo St

Inner Sunset, SF 94122 1745009 2 units · 2 fl · 1906

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 Sunset
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Inner Sunset average of 1.1.

Rent & eviction protection

Is 426-428 Hugo St 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 1906
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 built1906
Total area3,253 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1745009
Ownership

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

Owner name
Yeung Fmly Revoc Lvg Trust
Mailing address
Yeung Norman & Manda Louie 11731 Arena Dr Davis CA 95618
Last sale
080217

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.

426 Hugo St, San Francisco, CA 94122
428 Hugo St, San Francisco, CA 94122
Augrented Insights
Initial analysis

The two-unit residential building at 426-428 Hugo Street, located in San Francisco's Inner Sunset neighborhood, is a two-story flats and duplex structure built in 1906, currently owned by the Yeung Family Revocable Living Trust. The property has undergone several significant renovations and maintenance work over the past few decades, with the most substantial recent improvement being a comprehensive $170,000 remodel of unit 426 completed in 2021. This renovation included kitchen and bathroom updates, window replacements (excluding street-facing windows), electrical work, and reconfiguration of living spaces. The building has a history of addressing structural maintenance needs, including dry rot repair of lightwell stairs in 2017, reroofing in 2006, and earlier seismic strengthening and basement remodeling efforts in 1996.

The property's systems have seen consistent upgrades, with a new furnace and water heater installed in 2021, and earlier plumbing improvements in 2014. Historical records from the 1980s show ceiling repairs, and the 1997-1998 period includes conversions to all-electric baseboard heating for the lower unit. Recent 311 calls related to the property (from 2018-2019) primarily involved parking issues and sidewalk concerns, with one significant issue being a collapsed sidewalk reported in April 2019 that remains listed as open. There have been no tenant buyouts recorded for this address, and the building's housing inventory information was recently updated in October 2024 through a Rent Board request. The property's permit history shows regular maintenance and modernization efforts, with all major recent work successfully completed and proper permits obtained.

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

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Risk rating

How 426-428 Hugo St'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
97th percentile

Out of 1493 buildings in this neighborhood, 45 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
93%
No DBI
violation
7%
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.

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.

Property class: single-family home

Single-family homes (class A) have distinct violation and complaint patterns from multi-family buildings.

12-Month severity forecast
No violation 89.8%
Moderate concern 7.8%
Severe concern 2.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

426-428 Hugo St event timeline

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

2025
Plumbing Permit Sep 11
Remodel 1 kitchen & 2 bathroom
Complete
Electrical PermitSep 11
Instll new electrical lightng throughout #428 floor level

See all 8 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 426-428 Hugo St apartments

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

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