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3233-3235 23Rd St

Inner Mission, SF 94110 3642064 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 Inner Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 3233-3235 23Rd 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 1924
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RM2
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 area1,890 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3642064
Ownership

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

Owner name
Lee Gerald & Yu Lok Yan
Mailing address
1044 Hampshire St San Francisco CA 94066
Last sale
101320

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.

3235 23rd St, San Francisco, CA 94110
3233 23rd St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The two-unit residential building at 3233-3235 23rd Street, owned by Gerald Lee and Lok Yan Yu, has undergone several significant renovations and faced various challenges since its construction in 1924. Most notably, in recent years, the property experienced substantial improvements in 2021, including a comprehensive window replacement project ($8,500) at both the front and rear of the building, and a kitchen and bathroom remodel ($60,000) that included electrical and plumbing upgrades, completed in early 2021. The building faced serious issues in 2015, with multiple violations including mold/mildew, rodent infestation, water damage, and safety concerns regarding a fixed utility ladder, all of which were officially abated by February 2020. These violations also included fire safety concerns regarding garbage receptacles and combustible materials, though follow-up inspections indicated these conditions were corrected. A tenant buyout occurred in November 2021, involving three tenants and amounting to $35,000.

The property has a history of maintenance activity including two roofing projects (1989 and 2010) and a notable complaint regarding unsafe heating and plumbing fixtures dating back to 1995, though these issues were resolved by 1998. More recently, there has been one active electrical work without permit complaint from February 2021. The building's surroundings have faced various urban challenges, as evidenced by multiple recent 311 calls in 2023-2024 regarding garbage and debris, driveway blocking, and an encampment report. These external issues, while not directly related to the building's condition, may impact the resident experience. The property's maintenance history shows a pattern of addressing violations and undertaking significant improvements, particularly in recent years, with particular attention paid to window upgrades and interior modernization.

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

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Risk rating

How 3233-3235 23Rd 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
92th percentile

Out of 2380 buildings in this neighborhood, 190 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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Neighborhood location

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

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

12-Month severity forecast
No violation 85.4%
Moderate concern 11.2%
Severe concern 3.4%
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

3233-3235 23Rd St event timeline

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

2026
311 Request Mar 18
Garbage and debris
other loose garbage debris yard waste

See all 13 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3233-3235 23Rd St 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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